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What's normal CPU/mobo temp?

Posted on 2007-08-10
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A few days ago, I installed a new modem in my new Quad Core Gateway brand PC and left the side of my tower case off in case (in case I needed to go back in the case).

Last night, my pc rebooted 4 times without warning.  The last time I was actually there in front of it.  The fan made a sudden loud noise, the light on the power switch went out briefly, then it rebooted.

In the event log, there were multiple references to event 102 "power event".   Each time, it did a VSS about 15 minutes before the reboot.

Interesting: 3 of the reboots overnight were exactly 1 hour apart (down to the minute).

I'm wondering if maybe the case being open is prevent the mobo from being cooled correctly as designed.

Maybe, the disk activity is heating things up and then it reboots?

I went into the bios and got the following readings.

Question: Do these look normal (within range?):
Case Open Temps:
CPU 42
Mobo 35.6
ICH 78.85
MCH 66

Voltage:
+12 = 12.195
+5 = 5.218
+3.3 = 3.351

CPU/UCCP 1.265

CPU Fan: 1279
Case Fan In: 0  (I don't believe there is an intake fan)
Case Fan out: 1639

Any thoughts would be very much appreciated!

Thanks,
Mike
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Question by:mike2401
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Expert Comment

by:PUNKY
ID: 19672253
How much power supply you have? the temps you listed above is normal.
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Author Comment

by:mike2401
ID: 19672315
Not sure (and not home now to check), but I think it's a 450 or 500 watt.
-Mike

This is the specs from their website:
Operating System
" Genuine Windows Vista" Home Premium  
Processor
Intel® Core"2 Quad Q6600 Quad-Core Processor with VT
Each core operates at 2.40GHz | 2 x 4MB L2 cache | 1066MHz FSB  
Chipset
Intel® G33 Chipset (Viiv")  
Memory
2048MB DDR2 Memory, Dual Channel
(2 x 1024MB), 667MHz (PC2-5300)
Operates at 667MHz | expandable to 8GB
4 DDR2 slots (total) | 2 DDR2 slots (available)  
Video
NVIDIA® GeForce® 8500GT (with 256MB onboard memory)
DirectX® 10, BluRay/HD-DVD Capable
Ports: VGA, DVI-I w/ HDCP, S-Video  
TV Tuner6
Analog/digital TV tuner w/ 3-D Comb (PCIe)
Ports: (1) analog TV, (1) ATSC antenna, (1) S-Video, (2) Ports: (1) Analog TV, (1) ATSC Antenna, (1) S-Video, (2) Stereo Audio RCA, (1) stereo mini-jack audio, (1) S-Video, plus S-Video to Composite Video Dongle, Vista" Media Center remote control  
Audio
Eight-channel (7.1) high-definition audio
Amplified stereo speakers (USB powered)  
Hard Drive
500GB SATA II (7200rpm, 16MB cache)  
Optical Drive
16x DVD+/-R/RW SuperMulti Drive
Up to 8.5GB with dual-layer media
Write max: 16x DVD+/-R, 8x DVD+R DL, 6x DVD-R DL, 8x DVD+RW, 6x DVD-RW, 12x DVD-RAM, 48x CD-R, 32x CD-RW
Read max: 12x DVD-ROM, 12x DVD-RAM, 48x CD-ROM  
Digital Media Reader
High-Performance 15-in-1 Digital Media Card Reader up to 40x faster
xD-Picture Card", CompactFlash I (CF), CompactFlash II, Secure Digital" (SD), Mini Secure Digital" (Mini SD")7, Multi Media
Card" (MMC), Reduced Size MMC (RS-MMC)7, MMC Mobile7, MMC Plus, Memory Stick" (MS), Memory Stick Duo8, Memory Stick Pro, Memory Stick Pro Duo8, SmartMedia, IBM Microdrive", Gateway® Smart Copy Button and Integrated IR Receiver  
Communications
56k ITU v.92 ready Fax/Modem (RJ-11 port)
Intel® 10/100 Mbps Ethernet LAN (RJ-45 port)  
Interfaces
8 - USB 2.0 Ports (2 Front, 6 Rear)
2 - IEEE 1394 ports (1 front, 1 rear)
1 - VGA
3 - Analog inputs (front); Composite Video, left/right stereo audio
2 - PS/2 ports (keyboard and mouse)
5 - Audio (rear): center/sub, rear (stereo), side (stereo), line-in (stereo), front/headphones (stereo), microphone, S/PDIF Optical
2 - Audio (front): microphone, front/headphone (stereo)
1 - RJ-45 Ethernet port
1 - RJ-11 Modem Port  
Expansion Slot
  Total  Available
 1 - PCI-E x16  0 - PCI-E x16
 1 - PCI-E x1  1 - PCI-E x1
 2 - PCI  0 - PCI
 
Expansion Bays
  Total  Available
  3 - 3 1/2"  1 - 3 1/2"
 2 - 5 1/4"  1 - 5 1/4"
 Gateway Portable Media Drive Bay
 
Input Devices
Elite multimedia keyboard
USB optical two-button wheel mouse  
Case Design
Polished black faceplate  
Dimensions
15.50" (H) x 7.25" (W) x 16.50" (D)  
Weights
23.4 lbs. | 10.6 kg (system unit only)
Approximately 35.8 lbs. | 16.2 kg. (box)  
Warranty
1 Year Parts and Labor Limited Warranty9  
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Expert Comment

by:PUNKY
ID: 19672678
Dont guess, use this free tool to calculate your power supply see it meets with your hardware configuration:

http://www.extreme.outervision.com/psucalculator.jsp
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Author Comment

by:mike2401
ID: 19672705
Thanks, that's a good link.  Since this is a mass market retail pc, I doubt the power supply is under-powered.

Mike
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Expert Comment

by:nobus
ID: 19675033
>>  3 of the reboots overnight were exactly 1 hour apart   <<  that is strange; looks more like malware than a hardware failure.  Anyway, since it does not work as it should, i would return it and ask for a replacement.
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Author Comment

by:mike2401
ID: 19769965
It looks like the temps are in range.
I decided to FDISK the whole thing and start from scratch.  

There's no substitute for a clean install.

Mike

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Expert Comment

by:nobus
ID: 19770342
that is true - post back if everything is ok !
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Author Comment

by:mike2401
ID: 19770734
yes, everything seems ok and much cleaner.

thx!
Mike
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Expert Comment

by:snazy
ID: 19902039
Your power supply might be failing even though it is not dead yet.Clean install of the OS would seem to fix that as may be you are using fewer system recourses and the power supply doesnt need to spin as fast.Try playing a game or something that would load the PC to the top to see if the reboot will happen again.Apart from the CPU temperature,the rest of the temperatures look too high to me.My mobo doesnt reach more than 20-25 degrees.
I had an occassion where the PC was randomly rebooting for six months before the PSU died completely.So if you dont want to fry something,you better check it out
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Author Comment

by:mike2401
ID: 19927607
Here's a follow-up:  everything was fine after my fresh vista install.

Until . . . .

I enabled that pesky bubles screen saver in vista.  The problem of spontaneous reboots started again.

I turned that off, and will report back.

Mike
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Expert Comment

by:snazy
ID: 19931689
Hopefully that was your problem.
Turn off "Automatically restart on system failure" by going to Control Panel-System-click the Advanced tab-Start up and Recovery".If the computer restarts,you are going to get a BSOD screen that might tell you the exact problem.Also check the event viewer for errors.
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Author Comment

by:mike2401
ID: 19936772
Interestingly, I had turned off the restart automatically after it crashed overnight.  Then, 15 minutes after idle, when mr. bubbles screen save kicked in, it spontaneously rebooted right before my eyes, without a blue screen of death.

I did check the event viewer and saw no clues.

Not a big deal, I just turned off the bubbles, but it did surprise me I didn't get the blue screen clue.
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Accepted Solution

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mike2401 earned 0 total points
ID: 20491460
I found a big clue hiding in the Vista Task Scheduler, the times correlated to the crash times.
So, I think the answer is if it is crashing at regular intervals, check the scheduler ( or screen saver if it is always X minutes after idle).

Though I appreciate everyone's help, I think this is the answer (wasn't over heating).

How can I close the call but leave it for future reference?

Mike
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Expert Comment

by:nobus
ID: 20491479
ask a mod to jump in; post a Q in community support
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Author Comment

by:mike2401
ID: 20514311
BTW, I found out that it was related to a faulty ACPI implementation by Intel on the MOBO used in my GM5478.  Sadly, I don't remember the exact name of the task I deleted, but it sounds familiar.

Here's a ms technet thread on the subject:
http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=2164801&SiteID=17
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Author Comment

by:mike2401
ID: 20650335
Sorry, I lost track of this.  I just requested in the community forum to close it without deleting because there is lots of good reference info in this thread.

Thanks,
Mike
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Expert Comment

by:Lunchy
ID: 20692253
Closed, 500 points refunded.
Lunchy
Friendly Neighbourhood Community Support Moderator
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