Specifications

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ACS253A-CT
Appendix D: Video Modes and Frame Rates
Appendix D: Video Modes and Frame Rates
The following table shows the video modes supported by the DVI KVM Extender series and the expected frame rates over fiber
and CATx interconnects at both high color (hiCol) and low color (loCol) settings. The Extenders are able to synchronize video
modes that do not differ by more than 10% from those listed below.
Table D-1. Supported video modes and expected frame rate.
Video Mode
Visible Resolution Clock Rates Frame Rate Fiber Frame Rate CATx
Pixels Lines
Horiz.
kHz
Vertical
Hz
Dt Ck
MHz hiCol loCol hiCol loCol
DOS graphics mode 640 350 31.5 70 25 70 70 70 70
VESA standard 640 350 37.8 85 31 85 85 85 85
DOS text mode 640 400 24.7 56 21 56 56 56 56
VESA standard 640 400 31.4 70 25 70 70 70 70
VGA 640 400 37.8 85 31 85 85 43 85
VGA 640 480 31.5 60 25 60 60 60 60
VESA standard 640 480 35.0 66.7 31 67 67 67 67
Industry standard 640 480 37.8 72 31 72 72 36 72
Mac
®
mode 640 480 37.5 75 32 75 75 38 75
VESA standard 640 480 43.2 85 36 85 85 43 85
VESA standard 720 500 31.5 70 28 70 70 70 70
VESA standard 720 400 37.8 85 35 85 85 43 85
PAL progressive 720 576 31/2 50 27 50 50 50 50
VESA guidelines 800 600 35.1 56 56 56 56 28 56
VESA guidelines 800 600 37.8 60 40 60 60 30 60
VESA standard 800 600 48.0 72 50 36 72 36 36
VESA standard 800 600 46.8 75 49 38 75 38 38
VESA standard 800 600 53.6 85 56 43 85 43 43
Mac mode 832 624 49.7 75 56 38 75 38 38
VESA guidelines 1024 768 48.3 60 65 30 30 20 30
VESA standard 1024 768 56.4 70 75 35 35 23 35
Sun
®
mode 1024 768 57.8 72 75 36 36 24 36
VESA standard 1024 768 68.6 85 94 28 43 21 43
DMTI 185 1152 864 63.8 70 94 23 35 18 23
VESA standard 1152 864 63.8 70 101 23 35 18 23
DMT1 185 1152 864 67.5 75 108 25 38 19 25
Sun
®
mode 1152 900 61.8 66 94 22 33 17 22
VESA standard 1280 960 60.0 60 108 20 30 15 20