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07-19-2003, 09:23 PM
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#1 (permalink)
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Join Date: Oct 2001 Location: MSU- E. Lansing, MI
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spontaneous reboot... voltage issues
AMD XP 1800+
EPoX 8KHA+
Win XP
My normally rock solid system just rebooted itself while browsing the web. No warning.
It hung for a bit on the reboot at the desktop.
My mobo monitor is reporting the following...
Core 0: 1.74V
Core 1: 1.50V
+3.3: 3.25V
+5.0: 4.81V
+12: 12.10V
-12: 2.64V
-5.0: 0.00V
Do these look right? I know very little about proper system voltages. Temps were 48C, 30C
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07-19-2003, 09:28 PM
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#2 (permalink)
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Join Date: Mar 2003 Location: sacramento ,ca
Posts: 3,176
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what the power supply . alot of the times rebooting is a power supply dieing issue . least it has been that way for me when it happened . can you switch it out to test it and see if that stops the problem . also i don't get the core 0 and core 1 thing . and 0 on the -5v ?
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07-19-2003, 09:31 PM
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#3 (permalink)
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Join Date: Oct 2001 Location: MSU- E. Lansing, MI
Posts: 1,504
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Dunno about the core deal.
Can't swap PS.
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07-19-2003, 09:34 PM
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#4 (permalink)
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Join Date: Mar 2003 Location: sacramento ,ca
Posts: 3,176
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what the full list of whats in your pc . and whats the power supply can you post the rails also that are listed on the side of it ,.
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07-19-2003, 09:35 PM
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#5 (permalink)
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Join Date: Oct 2002 Location: S. Florida
Posts: 1,230
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Core 0 looks right, Idunno about Core 1. Idunno about that -5V either. Everything else looks good though. Of course it could be an intermittant problem, and those are the hardest to diagnose. I would agree, try a good quality PSU first. Next, I would try a battery back-up. That'll help "smooth out" the power coming in.
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07-19-2003, 09:38 PM
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#6 (permalink)
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Join Date: Oct 2001 Location: MSU- E. Lansing, MI
Posts: 1,504
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sure... this sys has been stable for over a year mind you...
Pioneer 16X DVD
Plex 48x24x48 CDR
WD 40GB HD
512 DDR
misc ethernet card
80mm front and rear
stock HSF
I don't think I am working it too hard
lemme pull the cover for the rail info
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07-19-2003, 09:41 PM
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#7 (permalink)
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Join Date: Mar 2003 Location: sacramento ,ca
Posts: 3,176
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it just might be going out i am sorry to say .
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07-19-2003, 09:49 PM
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#8 (permalink)
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Join Date: Oct 2001 Location: MSU- E. Lansing, MI
Posts: 1,504
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Enhance PS
+3.3V - 20A
+5V - 26A
+12V - 13A
-12V - 0.8A
-5V - 0.5A
+5Vsb - 2A
+3.3V & +5V Combined - 175W
+3.3V, +5V, & +12V Combined - 280W
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07-19-2003, 10:02 PM
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#9 (permalink)
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Join Date: Oct 2001 Location: MSU- E. Lansing, MI
Posts: 1,504
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Bios reports:
Vcore 1.74V
Vagp 1.50V
+5V 4.81V
+12V 12.09V
Vio 3.24V
VDIMM 2.64V
VBAT(V) 3.05V
5VSB(V) 5.40V
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07-19-2003, 10:17 PM
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#10 (permalink)
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Join Date: Mar 2003 Location: sacramento ,ca
Posts: 3,176
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well the 12v rail is right on the edge at 13A it is anuff but it is really close . maybe the supply is just dieing ,
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