# 640 x 512 (64Hz)
startmode
mode_name:Mode 21(64)
x_res:640
y_res:512
pixel_rate:28500
h_timings:64,76,30,640,30,0
v_timings:3,16,0,512,0,1
sync_pol:3
endmode

# 640 x 512 (74Hz)
startmode
mode_name: Mode 21(75)
x_res:640
y_res:512
pixel_rate:33250
h_timings:64,76,30,640,30,0
v_timings:3,16,0,512,0,1
sync_pol:3
endmode
