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6600GT lock-ups
Okay, I'm getting sick of this. First, the Hardwa
ASrock K7VT4APro Barton 3000+ 1536MB DDR400 (1024+512) CL3 Palit GF6600GT 128MB AGP 80GB Seagate Barracuda ATA Lite-On CDRW 3.5" disk 1x120mm, 2x60mm case fans (5V) 10/100 LAN card SB64PCI (used only as game port) My PC may lock-up completely at any moment, screen just freezes and all I can do is push the reset button. Before this kind of behaviour I installed new 1GB TwinMOS DDR400 CL3 memory module and Palit GF6600GT AGP. I ran Memtest86 couple of times and it didn't find any errors. Also tried using only old 100% working memory modules and still locked up. So the reason seems to be the 6600GT. Things I've tried so far: - re-installed 77.72 WHQL's - switched fast writes OFF - lowered AGP aperture to 128mb - switched off write combining - switched off DEP (Data Execution Prevention or something) And I'm beginning to get out of ideas. Faulty card? I have seen no graphic corruption and temperatures stay below 70 degrees. I can play heavy 3D games several hours before lock-up and the lock-up also occurs on the desktop when idling. Some days it may lock-up several times and some days it doesn't lock-up at all. Could it be the PSU? 350W Enermax (+3.3V 32A/+5V 32A/+12V 17A) and I have used multimeter to measure +5V and +12V rails. They seem to be rock solid (5.10V and 12.30V) and never drop under their values. Altough MBM5 claims that +12V is only 11.55V and may drop as low as 11.35V during gaming and the 5% warning pops up. Which one to trust, multimeter or MBM5? Help much appretiated. |
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de Moni wrote:
My PC may lock-up completely at any moment, screen just freezes and all I can do is push the reset button. Before this kind of behaviour I installed new 1GB TwinMOS DDR400 CL3 memory module and Palit GF6600GT AGP. I ran Memtest86 couple of times and it didn't find any errors. Also tried using only old 100% working memory modules and still locked up. So the reason seems to be the 6600GT. Seems like no one here is wiser than me :-) But the more I investigate this the more this starts to feel like the "all famous" infinite loop-bug (which I wasn't aware of:-) which is usually caused by some kinda conflict between VIA-chipset and NVidia-drivers. Before I switched DEP (Data Execution Prevention) off, XP made entries like this to Event Log when it locked-up and rebooted: ** The computer has rebooted from a bugcheck. The bugcheck was: 0x000000ea (0x89ff1328, 0x8991f1c0, 0x895b1cd8, 0x00000001). A dump was saved in: C:\WINDOWS\Minidump\Mini080205-01.dmp. ** After I switched DEP off XP just locks-up as usually but doesn't reboot itself or do these error reports. If there are no other fixes for this than some VIA beta patch from -02 (which doesn't necessary help) then I suppose there's nothing else to do to solve this than change the mobo/video card to other chipsed/gpu brand... :-/ I can't believe this kind of bug has been unfixed for 3 years now, apparently it's just not common enough. |
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