User`s guide
VT190 ColorVue User Guide           150-077 
13 
Display Timing 
4 
Section 
Applicable Video Timing  
The following table lists the better display quality modes that these LCD monitors 
provide. If the other video modes are input, the monitor will stop working or display 
unsatisfactory picture quality. 
VESA MODES 
    Horizontal Vertical VCLK 
Mode Resolution  Total 
Nominal 
Frequency 
+/- 0.5KHz 
Nominal 
Frequency 
+/- 1KHz 
Nominal 
Pixel Clock 
(MHz) 
DOS  720 x 400 @ 70Hz  900 x 449  31.469  70.087  28.322 
VGA  640 x 480 @ 60Hz  800 x 525  31.469  59.940  25.175 
640 x 480 @ 72Hz  832 x 520  37.861  72.809  31.500 
640 x 480 @ 75Hz  840 x 500  37.500  75.000  31.500 
SVGA  800 X 600 @ 56Hz  1024 x 625  35.156  56.250  36.000 
800 X 600 @ 60Hz  1056 x 628  37.879  60.017  40.000 
800 X 600 @ 72Hz  1040 x 666  48.077  72.188  50.000 
800 X 600 @ 75Hz  1056 x 625  46.875  75.000  49.500 
1024 x 768 @ 60Hz  1344 x 804  48.363  60.004  65.000 
1024 x 768 @ 70Hz  1328 x 806  56.476  70.069  75.000 
1024 x 768 @ 75Hz  1312 x 800  60.023  75.029  78.750 
1152 x 864 @ 75Hz  1600 x 900  67.500  75.000  108.00 
SXGA 
  1280 x 1024 @ 60Hz  1688 x 1066  63.981  60.020  180.00 
IBM MODES 
EGA  640 x 350 @ 70Hz  800 x 449  31.469  70.086  25.175 
DOS  720 x 400 @ 70Hz  900 x 449  31.469  70.087  28.322 
VGA  640 x 480 @ 60Hz  800 x 525  31.469  59.940  25.175 
XGA  1024 x 768 @ 72Hz    57.515  72.100  75.000 
MAC MODES 
VGA  640 x 480 @ 60hz  800 x 525  31.469  59.940  25.175 
SVGA  832 x 624 @ 75Hz  1152 x 667  49.725  74.551  57.283 
XGA  1024 x 768 @ 75Hz  1328 x 804  60.241  74.927  80.000 
XGA  










