Recently I ran into a similar problem when I upgraded the processor in my S900. Everything worked fine until I moved some cards around and then all went away--no video. I have other ATI video boards and tried them all still with no success, tried the cards in another machine and all were good. Upon someone's recommendation I removed the PRAM battery --overnight --and before restarting reset the CUDA button. Booting the machine (make sure you hear a start up chime if not reset the CUDA again) and let it sit for what seemed like minutes until it found itself and its been fine since.
-Paul Davis
On May 3, 2005, at 5:11 PM, E Hoffman wrote:
Hi,
Things seem very grim w/ my S900 at this point. I relocated an ATA controller card from the top PCI slot to the one under the video card, went to reboot my machine and no video. I tried returning the card to its original slot, reseating all the cards, tested the PRAM battery, pressed the CUDA button and even took it to a mac diagnostic center who did all that I did plus trying a different video card, but still no video. They think it's either the logic board or possibly the processor which I can test myself (after I pick the computer up) by replacing w/ the original one. If that doesn't work, does anyone know where I can obtain an S900 logic board and is this something that I can install myself? I thought I took every precaution when relocating the ATA card but evidently I did something that has caused this problem w/ the video. Thanks for any leads anyone can offer.
Elliot
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