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What is the most likely point of failure here?

B

brxndxn

Diamond Member
Here's my specs:

- PC Power & Cooling S61EPS 610W Continuous @ 40°C EPS12V SLI Certified CrossFire Ready 80 PLUS Certified Active PFC Power Supply - Retail
- Intel Core 2 Duo E4300 Allendale 1.8GHz LGA 775 65W Dual-Core Processor Model BX80557E4300 - Retail
- G.SKILL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model F2-6400CL4D-2GBHK - Retail
- EVGA 320-P2-N817-AR GeForce 8800GTS 320MB 320-bit GDDR3 PCI Express x16 HDCP Ready SLI Supported Video Card - Retail
- Seagate NL35 ST3500641NS 500GB 7200 RPM SATA 3.0Gb/s Hard Drive - OEM
- LITE-ON 20X DVD±R DVD Burner with 12X DVD-RAM write and LightScribe Technology Black E-IDE/ATAPI Model LH-20A1H-185 - OEM
- Windows XP 64bit OS

Now.. here's my problem:

I have had this computer for over a year. I have tried a different power supply. I have never had 100% stability. I've had months where I could use my computer without it rebooting. I've had periods where it would crash after a matter of hours. I have had it run Orthos for 8 hours straight only to have it reboot at random while I am browsing the Internet. It just now passed Lintest 5 times.. but it crashed with a bluescreen just idling. It seems to be just as unstable at 1.8ghz with bios defaults as with 2.7ghz. I replaced the stock CPU fan with a tower fan - forget the name - but it got really high reviews.

My motherboard is flashed with the latest bios - but the problem has happened with all previous versions that I used over the years.

I have the computer hooked up to a 1300VA APC battery backup.. so the random reboots should not be because of dips in voltage supplied to the computer.

I never really had a ton of time to dedicate to fixing this problem - but now, I've been bringing some work home and I cannot afford to lose work due to system stability.

What is most likely to be wrong here? I read that the Nvidia 680i chipsets are prone to hardware problems. The CPU idles around 42-45 C and heats up to 72 C when running Orthos or Lintest.
 
Originally posted by: iluvdeal
Have you ran it through Memtest?
Click to expand...

Just ran it through the Windows memtest.. I have 2gb ram.. I set up 7 windows each with 256mb and all of them went over 130% with 0 errors.
 
I'm also suspecting the RAM...or more precisely, the RAM slots. One may be flaky. Try reseating, or even just going with a single stick.
 
Originally posted by: brxndxn
Just ran it through the Windows memtest.. I have 2gb ram.. I set up 7 windows each with 256mb and all of them went over 130% with 0 errors.
Click to expand...

I usually run memtest86+ via bootable floppy or cd and run it overnight. Try giving that a shot as well.
 
Maybe try new RAM sticks. It was the weirdest thing, I was getting random BSODs/reboots with my rig at one point in time. No memtest errors, but I was 99% sure the problem was memory related. Went ahead and replaced the modules and haven't had a problem since. 🙂
 
memtest86+

I had a bad ram stick that was causing BSODs, it passed even the Microsoft memory diagnostic fine and any other test.

I finally ran memtest86+ over and over and found out one of the sticks was bad it had problems doing just 1 operation on 1 section of the ram.

Also try relaxing the timings on the ram a bit below stock, see if that stops em.
 
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