On 30/10/09 15:53, "PETER WARNER" <[email protected]> wrote:
>
> Any Ideas?
> Here are my specs:
>
> G4 Gigabit Ethernet Dual 450
> 1 Gig of matched RAM (4...@256 PC 133-333)
> 6 port PCI USB 2 card
> USB devices are mostly powered, or on a powered hub
> Acer X183H 1360x768 @ 60Hz 18.5" WS monitor
> ATI Radeon 9800 Pro, Mac Edition (not flashed PC version), ROM
> revision 113-A07525-114
> OS 10.4.11
>
> Regards,
>
> Peter M Warner
Could be a few things - first thing to check is the heatsink and fan as
overheating causes display problems - so the heatsink should be removed,
cleaned and the old thermal paste removed and replaced with new stuff. Then
the fan should be cleaned and checked that it is working as it should. While
the card is out is a good time to visually check for any other damage. If it
is still problematic after that the 2005 ATI Rom Update might do something
for it. If not it's probably a component failing and the card is possibly
doomed. The display problems might be avoided and the card's life stretched
out a while longer by underclocking - it's a last gasp effort though. I
think the Mac Edition 9800 Pro was 350mhz core and 300mhz ram so it will
easily come down to 9700 Pro speeds - 325 core/290 memory without much loss
of performance. Aticcelerator can perform the underclocking.
Pete
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