E – 34
Timing Chart
Yes/No
Signal Resolution Refresh F.H. Dot
Rate (Hz) (kHz) Clk(MHz)
Y NTSC 640×480 60 15.734 -
Y PAL 768×576 50 15.625 -
Y SECAM 768×576 50 15.625 -
Y VESA 640×350 85.08 37.86 31.5
Y IBM 640×400 70 31.47 25.175
Y VESA 640×400 85.08 37.86 31.5
Y MAC 640×400 66 35 30.24
Y VESA 640×480 59.94 31.47 25.175
Y IBM 640×480 60 31.47 25.175
Y MAC 640×480 60 31.47 25.175
Y MAC 640×480 66.7 34.97 31.334
Y MAC 640×480 66.67 35 30.24
Y VESA 640×480 72.81 37.86 31.5
Y VESA 640×480 75 37.5 31.5
Y IBM 640×480 75 39.375 31.49
Y VESA 640×480 85.01 43.269 36
Y IBM 720×350 70.09 31.469 28.322
Y IBM 720×400 70.09 31.4469 28.322
Y VESA 720×400 85.04 37.927 40
Y IBM 720×350 87.85 39.44 35.5
Y IBM 720×400 87.7 39.375 35.5
Y VESA 800×600 56.25 35.16 36
Y VESA 800×600 60.32 37.879 40
Y VESA 800×600 72.19 48.077 50
Y VESA 800×600 75 46.88 49.5
Y VESA 800×600 85.06 53.674 56.25
# MAC 832×624 74.55 49.725 57.283
N VESA 1024×768 43interlace 35.5 44.9
# VESA 1024×768 60 48.363 65
# VESA 1024×768 70.07 57.476 75
# IBM 1024×768 72.03 58.131 79
# MAC 1024×768 74.93 60.241 80
# VESA 1024×768 75.03 60.023 78.75
N VESA 1024×768 85 68.677 94.5
Incompatible signals are listed "N" and hatched. #1024×768 and #832×624 images are
compressed into 800×600.