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Difference between revisions of "V6/V8 Pixel Clock Issues"
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The first generation of VPro boards ([[V6]] & [[V8]]) have a design flaw that prohibits graphics modes in much of what might otherwise be considered the normal range for SGI desktop systems: | The first generation of VPro boards ([[V6]] & [[V8]]) have a design flaw that prohibits graphics modes in much of what might otherwise be considered the normal range for SGI desktop systems: | ||
* Modes in the 109-193MHz range cannot be selected at all on [[V6]]/[[V8]]. | * Modes in the 109-193MHz range cannot be selected at all on [[V6]]/[[V8]]. |
Revision as of 23:49, 2 October 2018
The first generation of VPro boards (V6 & V8) have a design flaw that prohibits graphics modes in much of what might otherwise be considered the normal range for SGI desktop systems:
- Modes in the 109-193MHz range cannot be selected at all on V6/V8.
- Modes that are close to the lower end of that range (like 1280x1024_59/60) are only allowed at 8 bytes/pixel framebuffer size and even at that setting some people reported display problems (noise, flickering).
Pertinent nekochan.net discussions about these issues can be found here and here.