Preset Timing Modes
If the signal transferred from the computer is the same as the following Preset Timing Modes, the
screen will be adjusted automatically. However, if the signal differs, the screen may go blank while the
power LED is on. Refer to the video card manual and adjust the screen as follows.
Table 1. Preset Timing Modes
Display Mode Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
MAC, 640 x 480 35.000 66.700 30.240 -/-
MAC, 832 x 624 49.730 75.000 57.284 -/-
VGA, 640 x 350 31.470 70.000 25.175 +/-
VGA, 720 x 400 31.470 70.000 28.322 -/+
VGA, 640 x 480 31.470 59.940 25.175 -/-
VGA, 640 x 480 37.861 72.809 31.500 -/-
VGA, 640 x 480 37.500 75.000 31.500 -/-
VGA, 640 x 480 43.269 85.008 36.000 -/-
WVGA, 848 x 480 29.820 60.000 31.490 +,-/+,-
SVGA, 800 x 600 35.160 56.200 36.000 +,-/+,-
SVGA, 800 x 600 37.880 60.300 40.000 +/+
SVGA, 800 x 600 48.100 72.200 50.000 +/+
SVGA, 800 x 600 46.875 75.000 49.500 +/+
SVGA, 800 x 600 53.674 85.061 56.250 +/+
XGA, 1024 x 768 48.363 60.004 65.000 -/-
XGA, 1024 x 768 56.480 70.000 75.000 -/-
XGA, 1024 x 768 60.023 75.029 78.750 +/+
XGA, 1024 x 768 68.677 84.997 94.500 +/+
WXGA, 1280 x 768 47.700 60.000 80.136 +,-/+,-
Table 2. Reduced Blinking Timing Mode
Display Mode Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
SXGA, 1280 x 1024 63.194 59.957 91.000 +,-
SyncMaster 403T