digital³ Posted June 18, 2005 Posted June 18, 2005 Hey I built my PC in Feburary and had it running stable at 2.4GHz with 270MHz (2.5-3-3-8) FSB for three months until one day I opened a PDF in Photoshop that triggered a BSOD and my system has never really recovered since then. The NTFS file system was corrupt so I was forced to repartition and reformat the 74GB Raptor and reinstall windows. But the system continued to BSOD'd even during the presetup file-copy stage and basically after dozens of attempts I was simply unable to get Windows XP to even install again. To cut a long story short, I found the RAM was failing the GoldMemory test (but was passing Memtest) and RMA'd it directly to OCZ who promptly replaced it. However this has not solved all of my problems. My system has now got a successful install of Windows XP (but not without a few more BSODs along the way), and is completely unstable in both Prime95 and Super PI. Windows XP is occasionally BSOD'ing at random points so these aren't really failures I can ignore. Prime95 can run for 10 minutes provided the system/CPU is cold, but once it has been running for a while, it fails, and continues to fail almost instantly (ie. within 2 seconds of starting). Prime95 appears to be stable in the Small FFT tests, but very unstable in the Large FFT and Blend tests. Super PI fails after one or two iterations regardless of the test. My system is at bare bone config with the 74GB drive only, no sound card or external devices installed (though I listed everything in my sig anyway). The CPU and RAM are at stock speeds, and there are no issues with temperatures. I've tried: 1. Running Memtest86 for 108 hours (zero errors), tried both the integrated BIOS version and one off a bootCD. 2. Increasing the voltage on both the CPU and RAM to 1.45V and 2.8V respectively. 3. Flashing my BIOS to the newest (510), and several previous revisions (including 316) and consulting the forums on solutions, but haven't found any. 4. Running the tests with 1 stick. 5. Lowering my RAM timings from 2.5-3-3-8 to 3-4-4-10 which did cause the tests for run for 2 hours, but still failed. 6. Running the FSB with a 166 and 180MHz divider which again let tests run for a few hours before failure. 7. Running mprime outside windows off a stripped down linux bootcd. 8. Underclocking the CPU by 200MHz 9. Setting my Genie BIOS settings to the most relaxed possible. 10. Purchasing a multimeter and checking voltages. No problems on the +12V, 3.3V or the 5V lines and the numbers are +/- 5% of spec at all times. 11. Reseating the CPU and heatsink. Apart from 5 and 6, nothing I've tried has worked or even shown the slighest hint of actually making a difference. I've just taken the CPU and RAM and put them in an Asus A8N SLI board and stress tested with with Prime95, SuperPI and a few other apps and there were no errors. I tested it in this board with both with the OCZ RAM and some much cheaper stuff. It seems to me that neither the CPU or the RAM are the cause here, and I'm running out of variables as to what could be causing this. I'm posting here because I think it's the DFI motherboard. Whatever it is, it ran fine (prime/super PI/windows stable) for 3 months and now it's suddenly bust and my system is pretty much unusable. Can anyone provide suggestions here? Quote Share this post Link to post Share on other sites More sharing options...
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