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New build freezes up sporadically

Forum Homebuilt Systems : New System Build - New build freezes up sporadically

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SergioB   11-06-2009 at 06:41:40 AM

As the title says, after my previous problems with "under-volted" memory, it now runs fine... most of the time? Unfortunately now I get sporadic system freezes. No crashes, just freezes... in XP. Sometimes after I log in, sometimes at the log-in screen. Sometimes right after I log in, sometimes after an hour. And I'm not talking the easy ones you can reset with the 3-finger salute. We're talking reset button quality - the ones "the caps-lock key doesn't do anything", "last second of sound keeps repeating" type freezes. And no blue screens either.

Other than that, I have not been able to figure out anything common between freezes. Anybody have any ideas?

System:
Motherboard: MSI 770-C45, CPU: AMD Phenom II X3, Memory: Muskin 2x2GB DDR3 1600, PSU: Rosewill 550W PSU
Video: XFX GeForce 9500GT 1GB, Case: Old Dell Poweredge 600SC case, Drives: SATA HDD & CD/DVD

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overshocks   11-06-2009 at 06:53:22 AM

Have you overclocked your system?
Are you using the stock heatsink?

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e6400 oc'd 3.2ghz,CCF cooler
3870x2, p5k/epu
750watts psu, antec 900
 Reply to overshocks
SergioB   11-06-2009 at 04:03:20 PM

overshocks wrote :

Have you overclocked your system?
Are you using the stock heatsink?



Nope. No overclocking and using everything stock with normal settings until I know it's all stable.

Reply to SergioB
shortstuff_mt   11-06-2009 at 05:43:11 PM

What are your idle/load CPU temps? Do you have your RAM manually set to 1600MHz with 7-7-7-20 timings at 1.95v in the BIOS? Have you run Memtest86+ overnight?

If the RAM is set correctly and passes multiple Memtest86+ passes with no errors and your temps look good then I would say your POS Rosewill PSU is causing the freezing problems by supplying unstable power to the system. There's a very good reason that nobody on these forums recommends Rosewill PSU's. They certainly don't contribute to a stable system.

Reply to shortstuff_mt
SergioB   11-06-2009 at 05:56:39 PM

Temps were pretty good from what I remember. The RAM is set manually to 7-7-7-20 at 1.92V I think (next jump was at 2.0V). I'll run the Memtest and see what that brings up.

So as I understand it, RAM potential troublemaker #1, PSU potential troublemaker #2. Could it be anything else?

Reply to SergioB
overshocks   11-07-2009 at 12:47:40 AM

^Well I don't think the motherboard is causing it, I suspect the PSU it's rosewill...

------------------------------ You can select me as Best Answer
e6400 oc'd 3.2ghz,CCF cooler
3870x2, p5k/epu
750watts psu, antec 900
 Reply to overshocks
JackNaylorPE   11-07-2009 at 02:30:52 AM

Any messages in Event Viewer ?

Message quoted 1 times
------------------------------ If a man speaks in the forest and no woman hears him, is he still wrong ?
Marriage is a wonderful institution and all but when committed to an institution, they usually let you out after a while.
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overshocks   11-07-2009 at 04:44:00 AM

JackNaylorPE wrote :

Any messages in Event Viewer ?

 

event viewer doesn't help much. it may or may not display the error messages


Message edited by overshocks on 11-07-2009 at 04:44:16 AM
------------------------------ You can select me as Best Answer
e6400 oc'd 3.2ghz,CCF cooler
3870x2, p5k/epu
750watts psu, antec 900
 Reply to overshocks
SergioB   11-19-2009 at 05:03:23 AM

Well, I finally got around to doing a Memtest. I'm currently at 23 passes with 56 errors. Failing addresses seem sporadic (from 42.3MB to 3320.3MB - that I see currently). Just for reference, here's some specs:

IMC: AMD Phenom II X3 :20 Processor (ECC : Disabled)
Settings: Ram : 800 MHz (DDR1600) / CAS : 7-7-7-20 / DDR3 (64 bits)

  • WallTime: - 23:14:xx
  • Cached: - 4095M
  • RsvdMem: - 264k
  • MemMap: - e820
  • Cache: - on
  • ECC: - off
  • Test: - Std
  • Pass: - 23
  • Errors: - 56
  • ECC Errs: - 0


From what I can tell, all errors occur in Tst (Test?) 5. Some passes have more errors than others. Failing Address is all over the board. Most "Good" are at 01000000, most "Bad" are 00000000, and most Err-Bits are 01000000. The "most" here means that I have noticed 1 exception, but that's about it

I guess I'll be starting the test with each module separately. Just wondering if all this error variety is indicating an unstable PSU rather than faulty memory. Any ideas?

Thanks for all your help this far.

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