Standard Timing Table; Troubleshooting - Acer AL1917 User Manual

Standard Timing Table

If the selected timing is NO T included in table below, this LCD monitor will go into the sleep mode.
Mode Resolution
VGA
SVGA
XGA
1280*768@60Hz
SXGA
WXGA+
VGA 640*480@66.7Hz
SVGA 832*624@75Hz
XGA 1152*870@75Hz
720*400@70Hz
XGA 1024*768@72Hz
1280*1024@70Hz
SXGA

Troubleshooting

This LCD Monitor has pre-adjusted using factory standard VGA timings. Due to the output timing differences among
various VGA cards in the market, users may initially experience an unstable or unclear display whenever a new
display mode or new VGA cardis selected.
Attention
This LCD Monitor Supports Multiple VGA Modes. Refer to the Standard Timing Table for a listing of modes supported
by this LCD Monitor.
VESA MODES
Horizontal
Total Nominal
Frequency
+/-0.5KHz
1664*798 47.776
864*525 35.000
1152*667 49.725
1456*915 68.681
OTHER MODES
900*449 31.469
1360* 800 57.669
1696*1072 74.882
Vertical
Sync Nominal
Polarity Frequency
+/-1Hz
59.870
P 66.667
N 74.550
N 75.062
P 70.087
N 72.086
P 69.853
Sync Nominal
Polarity Pixel Clock
(MHz)
79.500
P 30.240
57.283
N
N
100.00
P 28.322
78.434
N
127.000
P