Almost sounds like your GPU memory is overheating or is running at an unstable OC. Have you tried scanning the card for temps artifacts in ATI tool? Quote:
Originally Posted by DarKStar  It runs BIOSHOCK in VISTA very untable for me - mind you I haven'T tried with a previous driver as this is a new system and fresh install - keep getting dumped to desktop with an instruction error cannot write to emory location 0x0000 type every now and then in BIOSHOCK. |
__________________
Xeon 3350/E6750| DFI X38 LT| 2 x 4870|74gb Raptor
Thermalrock Dragon Case (sprayed black)
CPU loop: MCR 220 int.|Apogee GT| MCP655
GPU loop: MCR 320|Swiftech Res.|2x EK FC blocks| MCP655.
|