Thinklogical Velocity RGB-9, Руководство по эксплуатации продукта

Страница: 22 / 33

22
JUNE 2009 REVISION B
4. Using the right or left arrow, scroll to return to the *System menu option.
5. Using up or down arrow scroll until you get to the Thinklogical screen.
4.3.5 Modifying an Existing Video Modeline
Modification to support the alternate timing.
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
TABLE 4