

                         SEAGATE TECHNOLOGY, INC.

     Customer Technical Support Bulletin Boards (300-9600, 8-N-1)

| United States    +1 408 438-8771 |  United Kingdom +44 628 478011  |

| Germany         +49  89 140-9331 |  Singapore      +65   227-2217  |

                            (C)opyright 1991



ST-1057A

     ===PWA=====================================================
                          :....................:    /---------\
                           ....................     | O O O O |
       1 o o 2  --------:        Cable Connector    :-5-G-G-12:
       3 o o 4  ------: |
       5 o o 6  ----: | |
       7 o o 8  --: | | |
       9 o o 10 : | | | |
                | | | | :-- Life-Test (Factory use)
                | | | :---- Master *
                | | :------ Slave Present (on Master only) *
                | :-------- Reserved
                :---------- Remote LED
                            * No jumpers if unit is Slave

                             ST-1057A


       UNFORMATTED CAPACITY (MB) ________________N/A
       FORMATTED CAPACITY (xx/17 SECTORS) (MB) __53.4
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________6,144
       CYLINDERS ___PHYSICAL/LOGICAL_____________NA/1,024
       HEADS _______PHYSICAL/LOGICAL_____________3/6
       DISCS ____________________________________2
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL ZBR
       TRANSFER RATE INTERNAL (mbits/sec) _______8.2/10/12
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,300
       BPI (BITS PER INCH) ______________________21,600
       AVERAGE ACCESS (ms) ______________________18
       SINGLE TRACK SEEK (ms) ___________________6
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.63
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______8
                           MAXIMUM (watts) ______
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A (1024)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1024)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

Translation to use: 1024 cyl, 6 heads, 17 sectors = 53,477,376

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
ZBR = Zone Bit Recording = Variable sectors per track

!WARNING! - Already low-level formatted at the factory.





ST-1090A (94354-090) Swift AT (IDE)
     :---\
     | O |  5
     | O |  G                                          :-:  Some have
     | O |  G       AT (IDE) Cable                     |  - these pins
     | O | 12  1:........................:   o o o o o(o o)   6 off
     :---/       ........................    o o o o o(o o)   7 off
    =======================================================
                                             1 2 3 4 5 6 7
         ON                 OFF              | | | | | : :
    1   Slave              Master          --: | | | |  |
    2   5 Heads            7/9 Heads       ----: | | |  |
    3   Slave installed    Slave not inst. ------: | |  |
    4   7 byte ECC         4 byte ECC      --------: |  |
    5   Factory test       Normal Oper.    ----------:  |
    6/7 Some PWA's have these pins, factory use  -------:


                             ST-1090A
                         94354-90 Swift

       UNFORMATTED CAPACITY (MB) ________________90
       FORMATTED CAPACITY (29 SECTORS) (MB) _____79
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________5,360
       CYLINDERS ________________________________1,072
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________22,638
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1073)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

 Possible translation:   335 cyl, 16 heads, 29 sectors = 79,585,280
 Possible translation:   653 cyl, 14 heads, 17 sectors = 79,571,968
 Possible translation:   854 cyl,  7 heads, 26 sectors = 79,579,136

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.



                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  :--- ---:
                                  | A | B |    B = Anode
                                   --- ---    D = Cathode
                                  | C | D |
              ...===============================P=W=A===...


         Default jumper at C-D for LED mounted on drive PWA
         To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
         Swift LED kit 75912397 allows connection to a remote LED
         Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit





ST-1102A

     ===PWA=====================================================
                          :....................:    /---------\
                           ....................     | O O O O |
       1 o o 2  --------:       : Cable Connector   :-5-G-G-12:
       3 o o 4  ------: |
       5 o o 6  ----: | |
       7 o o 8  --: | | |
       9 o o 10 : | | | |                               1=closed 0=open
                | | | | :-- Life-Test (Factory use)
                | | | :---- Master on (Slave off) ----  1  1  0
                | | :------ Slave Present ------------  0  1  0
                | :-------- Reserved
                :---------- Remote LED                  S  M  S
                                                        i  a  l
                                                        n  s  a
                                                        g  t  v
                                                        l  e  e
                                                        e  r
                             ST-1102A


       UNFORMATTED CAPACITY (MB) ________________N/A
       FORMATTED CAPACITY (xx/17 SECTORS) (MB) __89.1
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________10,240
       CYLINDERS __PHYSICAL/LOGICAL______________NA/1,024
       HEADS ______PHYSICAL/LOGICAL______________5/10
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL ZBR
       TRANSFER RATE INTERNAL (mbits/sec) _______8.2/10/12
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,300
       BPI (BITS PER INCH) ______________________21,600
       AVERAGE ACCESS (ms) ______________________18
       SINGLE TRACK SEEK (ms) ___________________6
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.63
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______8
                           MAXIMUM (watts) ______
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A (1024)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1024)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

Translation to use: 1024 cyl, 10 heads, 17 sectors = 89,128,960

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
ZBR = Zone Bit Recording = Variable sectors per track

!WARNING! - Already low-level formatted at the factory.






ST-157A

                                     /-------\
          6-pin jumper version       |O O O O|
                                     :5-G-G-12
         =====================================
          o o o  ....................1
          o o o  ....................
          | | |
          | 0 1  Single Drive            0=open
          | 1 1  Dual-Drive Master       1=closed
          | 1 0  Dual-Drive Slave
          |
          :----- Optional External LED



                                         /-------\
          10-pin jumper version          |O O O O|
                                         :5-G-G-12
         =========================================
          o o o o o  ....................1
          o o o o o  ....................
          | | | | |
          | | | | : LT (Life Test, factory use only)
          | | 0 1   Single Drive            0=open
          | | 1 1   Dual-Drive Master       1=closed
          | | 1 0   Dual-Drive Slave
          | :-----  EWS (factory use only)
          :-------  Active Busy (Optional External LED)



                          ST - 157A

       UNFORMATTED CAPACITY (MB) ________________57
       FORMATTED CAPACITY (26/17 SECTORS) (MB) __44.7
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________3,360
       CYLINDERS ___PHYSICAL/LOGICAL_____________560/1024
       HEADS _______PHYSICAL/LOGICAL_____________6/5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbits/sec) ________________7.5
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________824
       BPI (BITS PER INCH) ______________________20,280
       AVERAGE ACCESS (ms) ______________________40/28*
       SINGLE TRACK SEEK (ms) ___________________8
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.35
                           +5V TYPICAL (amps) ___0.9
                           TYPICAL (watts) ______9
                           MAXIMUM (watts) ______29
       BUFFERED STEP PULSE RATE (micro sec) _____3-200
       WRITE PRECOMP (cyl) ______________________N/A (561)
       REDUCED WRITE CURRENT (cyl) ______________N/A (561)
       LANDING ZONE (cyl)________________________AUTO PARK
       IBM AT DRIVE TYPE ________________________36, **

       *ST157A-0/ST157A-1

 ** MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
!WARNING! - Already low-level formatted at the factory.





ST-1111A (94354-111) Swift AT (IDE)
     :---\
     | O |  5
     | O |  G                                          :-:  Some have
     | O |  G       AT (IDE) Cable                     |  - these pins
     | O | 12  1:........................:   o o o o o(o o)  6 off
     :---/       ........................    o o o o o(o o)  7 off
    =======================================================
                                             1 2 3 4 5 6 7
         ON                 OFF              | | | | | : :
    1   Slave              Master          --: | | | |  |
    2   5 Heads            7/9 Heads       ----: | | |  |
    3   Slave installed    Slave not inst. ------: | |  |
    4   7 byte ECC         4 byte ECC      --------: |  |
    5   Factory test       Normal Oper.    ----------:  |
    6/7 Some PWA's have these pins, factory use  -------:


                             ST-1111A
                          94354-111 Swift

       UNFORMATTED CAPACITY (MB) ________________111
       FORMATTED CAPACITY (36 SECTORS) (MB) _____98
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________5,360
       CYLINDERS ________________________________1,072
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________28,103
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________70,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1073)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

 Possible translation:   402 cyl, 10 heads, 48 sectors = 98,795,520
 Possible translation:   873 cyl, 13 heads, 17 sectors = 98,781,696
 Possible translation:   742 cyl, 10 heads, 26 sectors = 98,775,040

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.



                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  :--- ---:
                                  | A | B |    B = Anode
                                   --- ---    D = Cathode
                                  | C | D |
              ...===============================P=W=A===...


         Default jumper at C-D for LED mounted on drive PWA
         To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
         Swift LED kit 75912397 allows connection to a remote LED
         Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit




ST-1126A (94354-126) Swift AT (IDE)
     :---\
     | O |  5
     | O |  G                                          :-:  Some have
     | O |  G       AT (IDE) Cable                     |  - these pins
     | O | 12  1:........................:   o o o o o(o o)  6 on
     :---/       ........................    o o o o o(o o)  7 off
    =======================================================
                                             1 2 3 4 5 6 7
         ON                 OFF              | | | | | : :
    1   Slave              Master          --: | | | |  |
    2   5 Heads            7/9 Heads       ----: | | |  |
    3   Slave installed    Slave not inst. ------: | |  |
    4   7 byte ECC         4 byte ECC      --------: |  |
    5   Factory test       Normal Oper.    ----------:  |
    6/7 Some PWA's have these pins, factory use  -------:


                             ST-1126A
                         94354-126 Swift

       UNFORMATTED CAPACITY (MB) ________________126
       FORMATTED CAPACITY (29 SECTORS) (MB) _____111
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________7,504
       CYLINDERS ________________________________1,072
       HEADS ____________________________________7
       DISCS ____________________________________4
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________22,638
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1073)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

Possible translation:    469 cyl, 16 heads, 29 sectors = 111,419,392
Possible translation:    536 cyl, 14 heads, 29 sectors = 111,419,392
Possible translation:    800 cyl, 16 heads, 17 sectors = 111,411,200
Possible translation:    523 cyl, 16 heads, 26 sectors = 111,394,816

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.



                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  :--- ---:
                                  | A | B |    B = Anode
                                   --- ---    D = Cathode
                                  | C | D |
              ...===============================P=W=A===...


         Default jumper at C-D for LED mounted on drive PWA
         To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
         Swift LED kit 75912397 allows connection to a remote LED
         Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit




ST-1133A (94354-133) Swift AT (IDE)
     :---\
     | O |  5
     | O |  G                                          :-:  Some have
     | O |  G      AT (IDE) Cable                      |  - these pins
     | O | 12  1:........................:   o o o o o(o o)
     :---/       ........................    o o o o o(o o)
    =======================================================
                                             1 2 3 4 5 6 7
         ON                 OFF              | | | | | : :
    1   Slave              Master          --: | | | |  |
    2   5 Heads            7/9 Heads       ----: | | |  |
    3   Slave installed    Slave not inst. ------: | |  |
    4   7 byte ECC         4 byte ECC      --------: |  |
    5   Factory test       Normal Oper.    ----------:  |
    6/7 Some PWA's have these pins, factory use  -------:


                             ST-1133A
                          94354-133 Swift

       UNFORMATTED CAPACITY (MB) ________________133
       FORMATTED CAPACITY (36 SECTORS) (MB) _____117
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________6,360
       CYLINDERS ________________________________1,272
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________28,103
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1073)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

Possible translation:    477 cyl,  8 heads, 60 sectors = 117,227,520
Possible translation:    962 cyl, 14 heads, 17 sectors = 117,225,472
Possible translation:    629 cyl, 14 heads, 26 sectors = 117,225,472

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.



                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  :--- ---:
                                  | A | B |    B = Anode
                                   --- ---    D = Cathode
                                  | C | D |
              ...===============================P=W=A===...


         Default jumper at C-D for LED mounted on drive PWA
         To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
         Swift LED kit 75912397 allows connection to a remote LED
         Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit




ST-1144A

     ===PWA=====================================================
                          :....................:    /---------\
                           ....................     | O O O O |
       1 o o 2  --------:       : Cable Connector   :-5-G-G-12:
       3 o o 4  ------: |
       5 o o 6  ----: | |
       7 o o 8  --: | | |
       9 o o 10 : | | | |                               1=closed 0=open
                | | | | :-- Life-Test (Factory use)
                | | | :---- Master on (Slave off) ----  1  1  0
                | | :------ Slave Present ------------  0  1  0
                | :-------- Reserved
                :---------- Remote LED                  S  M  S
                                                        i  a  l
                                                        n  s  a
                                                        g  t  v
                                                        l  e  e
                                                        e  r
                            ST-1144A


       UNFORMATTED CAPACITY (MB) ________________N/A
       FORMATTED CAPACITY (xx/17 SECTORS) (MB) __130.7
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________14,336
       CYLINDERS __PHYSICAL/LOGICAL______________NA/1,001
       HEADS ______PHYSICAL/LOGICAL______________7/15
       DISCS ____________________________________4
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL ZBR
       TRANSFER RATE INTERNAL (mbits/sec) _______8.2/10/12
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,300
       BPI (BITS PER INCH) ______________________21,600
       AVERAGE ACCESS (ms) ______________________18
       SINGLE TRACK SEEK (ms) ___________________6
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.63
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______8
                           MAXIMUM (watts) ______
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A (1002)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1002)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

Possible translation:  1001 cyl, 15 heads, 17 sectors = 130,690,560
Possible translation:  1024 cyl, 14 heads, 17 sectors = 124,780,544

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
ZBR = Zone Bit Recording = Variable sectors per track

!WARNING! - Already low-level formatted at the factory.





ST-1156A (94354-155) Swift AT (IDE)
     :---\
     | O |  5
     | O |  G                                          :-:  Some have
     | O |  G       AT (IDE) Cable                     |  - these pins
     | O | 12  1:........................:   o o o o o(o o)  6 on
     :---/       ........................    o o o o o(o o)  7 off
    =======================================================
                                             1 2 3 4 5 6 7
         ON                 OFF              | | | | | : :
    1   Slave              Master          --: | | | |  |
    2   5 Heads            7/9 Heads       ----: | | |  |
    3   Slave installed    Slave not inst. ------: | |  |
    4   7 byte ECC         4 byte ECC      --------: |  |
    5   Factory test       Normal Oper.    ----------:  |
    6/7 Some PWA's have these pins, factory use  -------:


                             ST-1156A
                          94354-155 Swift

       UNFORMATTED CAPACITY (MB) ________________155
       FORMATTED CAPACITY (36 SECTORS) (MB) _____138
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________7,504
       CYLINDERS ________________________________1,072
       HEADS ____________________________________7
       DISCS ____________________________________4
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________28,103
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1073)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

Possible translation:    536 cyl,  9 heads, 56 sectors = 138,313,728
Possible translation:    993 cyl, 16 heads, 17 sectors = 138,289,152
Possible translation:    742 cyl, 14 heads, 26 sectors = 138,285,056

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.



                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  :--- ---:
                                  | A | B |    B = Anode
                                   --- ---    D = Cathode
                                  | C | D |
              ...===============================P=W=A===...


         Default jumper at C-D for LED mounted on drive PWA
         To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
         Swift LED kit 75912397 allows connection to a remote LED
         Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit




ST-1162A (94354-160) Swift AT (IDE)
     :---\
     | O |  5
     | O |  G                                          :-:  Some have
     | O |  G       AT (IDE) Cable                     |  - these pins
     | O | 12  1:........................:   o o o o o(o o)  6 off
     :---/       ........................    o o o o o(o o)  7 off
    =======================================================
                                             1 2 3 4 5 6 7
         ON                 OFF              | | | | | : :
    1   Slave              Master          --: | | | |  |
    2   5 Heads            7/9 Heads       ----: | | |  |
    3   Slave installed    Slave not inst. ------: | |  |
    4   7 byte ECC         4 byte ECC      --------: |  |
    5   Factory test       Normal Oper.    ----------:  |
    6/7 Some PWA's have these pins, factory use  -------:


                             ST-1162A
                          94354-160 Swift

       UNFORMATTED CAPACITY (MB) ________________162
       FORMATTED CAPACITY (29 SECTORS) (MB) _____143
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________9,648
       CYLINDERS ________________________________1,072
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________22,638
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1073)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

Possible Translation:  603 cyl, 16 heads, 29 sectors = 143,253,504
Possible Translation: 1024 cyl, 16 heads, 17 sectors = 142,606,336
Possible Translation:  978 cyl, 11 heads, 26 sectors = 143,210,496

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.


                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  :--- ---:
                                  | A | B |    B = Anode
                                   --- ---    D = Cathode
                                  | C | D |
              ...===============================P=W=A===...


         Default jumper at C-D for LED mounted on drive PWA
         To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
         Swift LED kit 75912397 allows connection to a remote LED
         Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit




ST-1186A (94354-186) Swift AT (IDE)
     :---\
     | O |  5
     | O |  G                                          :-:  Some have
     | O |  G       AT (IDE) Cable                     |  - these pins
     | O | 12  1:........................:   o o o o o(o o)
     :---/       ........................    o o o o o(o o)
    =======================================================
                                             1 2 3 4 5 6 7
         ON                 OFF              | | | | | : :
    1   Slave              Master          --: | | | |  |
    2   5 Heads            7/9 Heads       ----: | | |  |
    3   Slave installed    Slave not inst. ------: | |  |
    4   7 byte ECC         4 byte ECC      --------: |  |
    5   Factory test       Normal Oper.    ----------:  |
    6/7 Some PWA's have these pins, factory use  -------:


                             ST-1186A
                         94354-186 Swift

       UNFORMATTED CAPACITY (MB) ________________186
       FORMATTED CAPACITY (36 SECTORS) (MB) _____164
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________8,904
       CYLINDERS ________________________________1,272
       HEADS ____________________________________7
       DISCS ____________________________________4
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________28,103
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1073)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

Possible translation:    636 cyl, 9 heads, 56 sectors

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.



                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  :--- ---:
                                  | A | B |    B = Anode
                                   --- ---    D = Cathode
                                  | C | D |
              ...===============================P=W=A===...


         Default jumper at C-D for LED mounted on drive PWA
         To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
         Swift LED kit 75912397 allows connection to a remote LED
         Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit




ST-1201A (94354-200) Swift AT (IDE)
     :---\
     | O |  5
     | O |  G                                          :-:  Some have
     | O |  G       AT (IDE) Cable                     |  - these pins
     | O | 12  1:........................:   o o o o o(o o)  6 off
     :---/       ........................    o o o o o(o o)  7 off
    =======================================================
                                             1 2 3 4 5 6 7
         ON                 OFF              | | | | | : :
    1   Slave              Master          --: | | | |  |
    2   5 Heads            7/9 Heads       ----: | | |  |
    3   Slave installed    Slave not inst. ------: | |  |
    4   7 byte ECC         4 byte ECC      --------: |  |
    5   Factory test       Normal Oper.    ----------:  |
    6/7 Some PWA's have these pins, factory use  -------:


                             ST-1201A
                         94354-200 Swift

       UNFORMATTED CAPACITY (MB) ________________201
       FORMATTED CAPACITY (36 SECTORS) (MB) _____177
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________9,648
       CYLINDERS ________________________________1,072
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________28,103
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1073)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

Possible translation:    804 cyl,  9 heads, 48 sectors = 177,831,936
Possible translation:    954 cyl, 14 heads, 26 sectors = 177,795,072

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.



                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  :--- ---:
                                  | A | B |    B = Anode
                                   --- ---    D = Cathode
                                  | C | D |
              ...===============================P=W=A===...


         Default jumper at C-D for LED mounted on drive PWA
         To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
         Swift LED kit 75912397 allows connection to a remote LED
         Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit




ST-1239A (94354-239 or 230) Swift AT (IDE)
     :---\
     | O |  5
     | O |  G                                          :-:  Some have
     | O |  G       AT (IDE) Cable                     |  - these pins
     | O | 12  1:........................:   o o o o o(o o) 6 is OFF
     :---/       ........................    o o o o o(o o) 7 is ON
    =======================================================
                                             1 2 3 4 5 6 7
         ON                 OFF              | | | | | : :
    1   Slave              Master          --: | | | |  |
    2   5 Heads            7/9 Heads       ----: | | |  |
    3   Slave installed    Slave not inst. ------: | |  |
    4   7 byte ECC         4 byte ECC      --------: |  |
    5   Factory test       Normal Oper.    ----------:  |
    6/7 Some PWA's have these pins, factory use  -------:


                             ST-1239A
                          94354-239 or 230  Swift

       UNFORMATTED CAPACITY (MB) ________________239
       FORMATTED CAPACITY (36 SECTORS) (MB) _____211
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________11,448
       CYLINDERS ________________________________1,272
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,543
       BPI (BITS PER INCH) ______________________28,103
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1273)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1273)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

Possible Translation:  954 cyl, 12 heads, 36 sectors = 211,009,536
Possible Translation:  636 cyl, 12 heads, 54 sectors = 211,009,536
Possible Translation:  848 cyl,  9 heads, 54 sectors = 211,009,536
Possible Translation:  990 cyl, 16 heads, 26 sectors = 210,862,080

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.



                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  :--- ---:
                                  | A | B |    B = Anode
                                   --- ---    D = Cathode
                                  | C | D |
              ...===============================P=W=A===...


         Default jumper at C-D for LED mounted on drive PWA
         To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
         Swift LED kit 75912397 allows connection to a remote LED
         Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit




ST-125A

                                     /-------\
                                     |O O O O|
                                     :5-G-G-12
         =====================================
          o o o  ....................1
          o o o  ....................
          | | |
          | 0 1  Single Drive            0=open
          | 1 1  Dual-Drive Master       1=closed
          | 1 0  Dual-Drive Slave
          |
          :----- Optional External LED


                         ST - 125A

       UNFORMATTED CAPACITY (MB) ________________25
       FORMATTED CAPACITY (26/17 SECTORS) (MB) __21.5
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________1,616
       CYLINDERS ___PHYSICAL/LOGICAL_____________404/615
       HEADS ____________________________________4
       DISCS ____________________________________2
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbits/sec) ________________7.5
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________824
       BPI (BITS PER INCH) ______________________16,546
       AVERAGE ACCESS (ms) ______________________40/28*
       SINGLE TRACK SEEK (ms) ___________________8
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.35
                           +5V TYPICAL (amps) ___0.9
                           TYPICAL (watts) ______9
                           MAXIMUM (watts) ______29
       BUFFERED STEP PULSE RATE (micro sec) _____3-200
       WRITE PRECOMP (cyl) ______________________N/A (405)
       REDUCED WRITE CURRENT (cyl) ______________N/A (405)
       LANDING ZONE (cyl)________________________AUTO PARK
       IBM AT DRIVE TYPE ________________________6

       *ST125A-0/ST125A-1

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.





ST-138A

                                     /-------\
                                     |O O O O|
                                     :5-G-G-12
         =====================================
          o o o  ....................1
          o o o  ....................
          | | |
          | 0 1  Single Drive            0=open
          | 1 1  Dual-Drive Master       1=closed
          | 1 0  Dual-Drive Slave
          |
          :----- Optional External LED


                          ST - 138A

       UNFORMATTED CAPACITY (MB) ________________38
       FORMATTED CAPACITY (26/17 SECTORS) (MB) __32.1
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________2,416
       CYLINDERS ___PHYSICAL/LOGICAL_____________604/615
       HEADS _______PHYSICAL/LOGICAL ____________4/6
       DISCS ____________________________________2
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbits/sec) ________________7.5
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________824
       BPI (BITS PER INCH) ______________________22,430
       AVERAGE ACCESS (ms) ______________________40/28*
       SINGLE TRACK SEEK (ms) ___________________8
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.35
                           +5V TYPICAL (amps) ___0.9
                           TYPICAL (watts) ______9
                           MAXIMUM (watts) ______29
       BUFFERED STEP PULSE RATE (micro sec) _____3-200
       WRITE PRECOMP (cyl) ______________________N/A (605)
       REDUCED WRITE CURRENT (cyl) ______________N/A (605)
       LANDING ZONE (cyl)________________________AUTO PARK
       IBM AT DRIVE TYPE ________________________3

       *ST138A-0/ST138A-1

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.




ST-2274A (94244-274) Wren 6 HH AT (IDE)
      :--------------------:                          /-------\
   ===1::AT:(IDE):Cable:::==========================O O O O==
      :--------------------:          o o o o o o o   :-------:
                                      o o o o o o o    5 G G 12
                                      G F E D C B A
A  B
0  0  Factory use only
0  1  Drive is Slave, motor start delay 20 sec from master start-up
1  0  Drive is Slave, no motor start delay
1  1  Drive is Master, motor starts at application of DC power
C  D
0  0  Physical mode
0  1  Translate (logical) mode, sparing scheme is one sector
1  0  Translate (logical) mode, no sparing space allocated
1  1  Factory use only
E
0     Slave present, only meaningful on master
1     No Slave present
F  G
x  x  Factory test, position G may or may not be present by PWA



                             ST-2274A
                        94244-274 WREN 6 HH

       UNFORMATTED CAPACITY (MB) ________________274
       FORMATTED CAPACITY (54 SECTORS) (MB) _____241
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________8735
       CYLINDERS ________________________________1747
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.875
       INTERFACE ________________________________AT
       TPI (TRACKS PER INCH) ____________________1459
       BPI (BITS PER INCH) ______________________31699
       AVERAGE ACCESS (ms) ______________________16
       SINGLE TRACK SEEK (ms) ___________________3
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __0.95
                           +5V START-UP (amps) __1.0
                           +5V TYPICAL (amps) ___0.75
                           TYPICAL (watts) ______15
                           MAXIMUM (watts) ______59
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

Possible Translation:  536 cyls, 16 heads, 55 sectors per track

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.




ST-2383A (94244-383) Wren 6 HH AT (IDE)
      :--------------------:                          /-------\
   ===1  AT (IDE) Cable   ==========================O O O O==
      :--------------------:          o o o o o o o   :-------:
                                      o o o o o o o    5 G G 12
                                      G F E D C B A
A  B
0  0  Factory use only
0  1  Drive is Slave, motor start delay 20 sec from master start-up
1  0  Drive is Slave, no motor start delay
1  1  Drive is Master, motor starts at application of DC power
C  D
0  0  Physical mode
0  1  Translate (logical) mode, sparing scheme is one sector
1  0  Translate (logical) mode, no sparing space allocated
1  1  Factory use only
E
0     Slave present, only meaningful on master
1     No Slave present
F  G
x  x  Factory test, position G may or may not be present by PWA


                             ST-2383A
                        94244-383 WREN 6 HH

       UNFORMATTED CAPACITY (MB) ________________383
       FORMATTED CAPACITY (54 SECTORS) (MB) _____338
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________12229
       CYLINDERS ________________________________1747
       HEADS ____________________________________7
       DISCS ____________________________________4
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.875
       INTERFACE ________________________________AT
       TPI (TRACKS PER INCH) ____________________1459
       BPI (BITS PER INCH) ______________________31699
       AVERAGE ACCESS (ms) ______________________16
       SINGLE TRACK SEEK (ms) ___________________3
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __0.95
                           +5V START-UP (amps) __1.0
                           +5V TYPICAL (amps) ___0.75
                           TYPICAL (watts) ______15
                           MAXIMUM (watts) ______59
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

Possible Translation:  737 cyls, 16 heads, 56 sectors per track

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory




ST-274A (94204-74 or 94204-65) Wren 2 HH AT (IDE)


                                        :--Master on /Slave off
                                        |             :---------:
                                        |: Leave as is| O O O O | Power
       1              J3                || 1  J2      \---------/
       :::AT:(IDE):Cable::::::::::::::: :: :::::::::   12 G G 5
      ===========================================================


                             ST-274A
                        94204-74 WREN 2 HH

       UNFORMATTED CAPACITY (MB) ________________74
       FORMATTED CAPACITY (26/17 SECTORS) (MB) __65.5
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________4740
       CYLINDERS __PHYSICAL/LOGICAL______________948/941
       HEADS ______PHYSICAL/LOGICAL______________5/8
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________0.937
       INTERFACE ________________________________AT
       TPI (TRACKS PER INCH) ____________________960
       BPI (BITS PER INCH) ______________________13489
       AVERAGE ACCESS (ms) ______________________29
       SINGLE TRACK SEEK (ms) ___________________5
       MTBF (power-on hours) ____________________40,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __1.5
                           +5V START-UP (amps) __0.6
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______20
                           MAXIMUM (watts) ______58
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________4, *

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.




ST-280A (94204-81 or 94204-71) Wren 2 HH AT (IDE)


                                        :--Master on /Slave off
                                        |             :---------:
                                        |: Leave as is| O O O O | Power
       1              J3                || 1  J2      \---------/
       ::AT:(IDE):Cable:::::::::::::::: :: :::::::::   12 G G 5
      ===========================================================


                             ST-280A
                        94204-71 WREN 2 HH

       UNFORMATTED CAPACITY (MB) ________________80.6
       FORMATTED CAPACITY (26/17 SECTORS) (MB) __71.3
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________5160
       CYLINDERS ___PHYSICAL/LOGICAL_____________1032/1024
       HEADS _______PHYSICAL/LOGICAL_____________5/8
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________0.937
       INTERFACE ________________________________AT
       TPI (TRACKS PER INCH) ____________________960
       BPI (BITS PER INCH) ______________________14357
       AVERAGE ACCESS (ms) ______________________29
       SINGLE TRACK SEEK (ms) ___________________5
       MTBF (power-on hours) ____________________40,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __1.5
                           +5V START-UP (amps) __0.6
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______20
                           MAXIMUM (watts) ______58
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________45, *

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - Already low-level formatted at the factory.

