Thinklogical Velocityrgb System-9, 10 and 12 Manual - Manual (Page 24)

Revision D 19 December 2012
Example of modifying an existing video modeline:
The VESA timing for 1280x1024_60Hz (SXGA) is loaded into the VelocityRGB 9 TX. The modeline can be
easily modified to support the alternate timing listed in the table below. Modifiable differences are highlighted.
Parameter Supported Timing Alternate Timing
Resolution 1280x1024_60 1280x1024_60 SGI Onyx
Pixel Clock (MHz) 108 107.352
Horizontal Frequency (kHz) 63.98 63.9
Vertical Refresh (Hz) 60 60
Horizontal Total Pixels 1688 1680
Horizontal Active (Pixels) 1280 1280
Horizontal Front Porch(Pixels) 48 40
Horizontal Sync Width(Pixels) 112 120
Horizontal Back Porch(Pixels) 248 240
Vertical Total Lines (Lines) 1066 1065
Vertical active lines (Lines) 1024 1024
Vertical Front Porch (Lines) 1 3
Vertical sync (Lines) 3 3
Vertical Back Porch (Lines) 38 35
The resolution you wish to modify must be applied to the TX video input connector. Using the arrow
down, scroll down to *Video as shown below.
Using the right arrow, scroll right until VGA Connected is displayed as shown below. Then press enter.
Thinklogical
VelocityTX9
Vxx.xx
*Video