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View Full Version : Cpu shutdown? Help NEeded.


Gordon
Mar 4th, 2005, 03:51 PM
EVery month or so my cpu has a short brown-out. Which is only my cpu.

My cpu just turns off completely and turns back on.

I have a Silverstone 360W PSU (recently purchased).

Now im wondering could it be my psu or my actuall outlet.

Gordon
Mar 4th, 2005, 03:54 PM
O yeah and all the crap for my computer is plugged in to one surge protector that goes to the wall.

Lazer printer. LCD Moniter. Cordless phone. My 5.1 babies. and my cpu.

and some lamp lights.

Should i swap some plugs to another wall outlet?

Mr Nobody
Mar 4th, 2005, 04:17 PM
Is anything else in the house being reset?

Is anything else on the same surge protector being reset? Eg. cordless phone? (Plug something like a clock into the surge protector as a test)

Its probably safe to remove the lamps off the surge protector. :)

Gordon
Mar 4th, 2005, 04:36 PM
only the cpu resets.

radeonboy
Mar 4th, 2005, 06:07 PM
I don't know if its just me but I never put my computer on a surge protector with lots of other stuff on it.

I always give my computer a separate line. Try the same and see if your PC does the same thing.

If not, it could be because your CPU temps are too high thus the random restarts. I was working on a P4 at co-op and it randomly restarted. Im like WTH so I check the temps in the BIOS and low and behold the temps are 60 degrees idle. LOL. Not even on load. Thats scary.

Gordon
Mar 4th, 2005, 07:09 PM
my load is normally at 40 something.

akito925
Mar 4th, 2005, 07:12 PM
could be an amd problem..

you try dusting out the inside of the computer??

etcbq
Mar 4th, 2005, 07:23 PM
Could be any one of the above. Try running only your comp. And definitely forget about having your lamps on the same outlet. Laser printers also draw quite a bit of power. If it still craps on you, open up your case and clean out all that gunk, which you should do anyways. Check the fans, because overheating is one of the primary causes of what you describe. On the other hand if the fans are OK, I would still not rule out overheating.

Gordon
Mar 4th, 2005, 07:57 PM
hmmm intresting. Man im never gonna buy amd again. lol maybe get a p4 extrem edition later on.

Hmm ill check out the computer tomrrow..


The voltage monitors seem proper to me.

They are all stable at the proper voltage so i cant see if it was a power problem.

jollyeskimo
Mar 4th, 2005, 10:08 PM
I'd bet that the problem would go away if you backed off your oc.

Gordon
Mar 4th, 2005, 10:09 PM
man i need my oc to play games! =(

Someone give me a 3200+ chip! lol

jollyeskimo
Mar 4th, 2005, 10:16 PM
Exactly what games can you play on a 3200+ that you can't play on a 2500+ ?
If anyone says CS I'll smack them.

TTony
Mar 4th, 2005, 10:23 PM
does your screen frozen

Gordon
Mar 4th, 2005, 10:29 PM
COUNTER-STRIKE SOURCE!! HL2 STATUS!

no the screen doesnt show up.

lead
Mar 4th, 2005, 10:43 PM
hymm noticed you have an ati 9700(you do have the extra molex connected to it right,not to make ya seem stupid or anthing just covering all bases).Couldn't hurt upping the agp volts to 1.6. Back when these cards came out their was some stability issues with some boards and upping the volts a bit on the agp was a work around. Also this can happen with overheating vid cards too(check the gpu heatsink and fan).But then again it can happen with a multitude of things, bad drivers etc. Your ram works best with 2.5 3 3 8 timings. Wouldn't hurt to up the dim volts either, just to smooth out the volts incase their are dips from the psu.Check your fans(vidcard fan too) make sure their all in good running order.once I had a seized 486 fan on the north bridge that lead to some periodic reboots.
Did this happen with your old psu? Is this why you bought the new psu. Is this happening during full load or when your away?

Gordon
Mar 4th, 2005, 10:46 PM
I dont get what do you mean by up the volts?

I swaped the psu cause my generic 300W was too loud.

pd0x
Mar 4th, 2005, 10:47 PM
<a href=../autolink/redirectpage.php?linkid=147 target=_blank>tiger direct</a> sells them too

http://www.tigerdirect.ca/applications/SearchTools/search.asp?keywords=duplication

Gordon
Mar 4th, 2005, 11:39 PM
What do they sell?


I just did a quick cpu tune up. I cleaned the termal paste on the cpu and reapllied the OCZ ULTra 5+ (artic silver).

swaped the molex connectors from my videocard to only one coneector to the psu.

Now ill see if my comp runs any more stabler.

lead
Mar 4th, 2005, 11:49 PM
-first off did this happen with your old psu?
now if it didn't and is now. 2 choices
1= return the psu its buggered
2= can't return it try the below
-you connected the extra molex to the vid card and psu after you swapped psu's right?
-dim volts are the volts to the ram(in bios). Your ram is samsung 3200. Its most stable with timings at 8 3 3 2.5. You can increase the dim volts up to 2.7 and it will be fine.Stock is 2.5.
-your agp card uses 1.5 volts, you can easily up the volts to 1.6 even 1.7 but 1.6 will suffice.(also in bios and usually in same section as dim volts)
-Also how many volts is your vcore. Its oc'ed right. well what vcore did it take for you to run it stable. stock is what 1.65 vcore, some needed 1.85 volts at times to reach it. Some could do it at stock volts. you might need to upp the vcore a notch to smooth things out.Run prime95 see if you get errors? run memtest see if you get errors. Both are areas you also need to considered to help eliminate random reboots on a o/ced system.

Gordon
Mar 5th, 2005, 12:10 AM
heh, im kinda worried about distroying my videocard. I dont want to have to go buy a new one.

This version of a 9700 pro was made by Powercolour which uses the connector that a cdrom drive uses.

Right now my cpu is running at 3200+ at 200FSB. Voltage is 1.648v.
My ram is running at 199.2Mhz 3-4-4-8.Dual channel. I dont know what my videocard voltage is running at and i dont wanna take the risk in frying it.

callous
Mar 5th, 2005, 12:54 AM
Why in hell wont you quit overclocking so that you can figure out which component is the problem

Overclocking the cpu too far can give the exact symptoms you mentioned.

x-batman
Mar 5th, 2005, 12:56 AM
Exactly what games can you play on a 3200+ that you can't play on a 2500+ ?
If anyone says CS I'll smack them.


CS: Source

lead
Mar 5th, 2005, 01:14 AM
looks like the problem is his v-core.He's running stock volts and its probably not enough.betcha prime would show errors. Up it to 1.7 volts or 1.675 but i would try 1.7 then bring it down to 1.675 if things/prime 95 runs stable.Don't bother with the other stuff.Although i would personally run your timings at 2.5 over 3 better performance, and your ram will do it but to be safe put the dim volts at 2.7 probably save you reboot/cmos clear incase your ram does need more juice for 2.5 cas. But 2.5 3 3 8 seems to be the stable settings of choice for samsung.You won't blow anything no volt increase I have mentioned is sufficent to damage anything.But if your worried Leave the agp volts alone.Doesn't look to be your problem anyway. Looks like the vcore was to low.
Right now my agp is 1.6, been that way for awhile, my dims 2.8 my vcore is low cause its a mobile but my fsb is 208 and its samsung 2700 ddr.

oc613
Mar 5th, 2005, 01:16 AM
you need to set everything back to stock before anything can be determined. so stop asking for advice if you aren't going to bother listening to anyone.

oc613
Mar 5th, 2005, 01:19 AM
looks like the problem is his v-core.He's running stock volts and its probably not enough.betcha prime would show errors. Up it to 1.7 volts or 1.675 but i would try 1.7 then bring it down to 1.675 if things/prime 95 runs stable.Don't bother with the other stuff.Although i would personally run your timings at 2.5 over 3 better performance, and your ram will do it but to be safe put the dim volts at 2.7 probably save you reboot/cmos clear incase your ram does need more juice for 2.5 cas. But 2.5 3 3 8 seems to be the stable settings of choice for samsung.You won't blow anything no volt increase I have mentioned is suffiecent to damage anything.But if your worried Leave the agp volts alone.Doesn't look to be your problem anyway. Looks like the vcore was to low.
Right now my agp is 1.6, been that way for awhile, my dims 2.8 my vcore is low cause its a mobile but my fsb is 208 and its samsung 2700 ddr.


unless it was one of the newer locked 2500+ and he got a good one 1.7 is still too low.

24 hour prime stable with that heatsink? i'm saying 1.775 - 1.83 underload to be stable at 2200 MHZ.

lead
Mar 5th, 2005, 01:25 AM
maybe but like he has stated it runs fine for about a month then a reboot.So the voltage is pretty close.If it needed that much more he would see much more frequent reboots.Virtually daily.But it sounds like a decent retail xp if its holding it 2.2 for that long at stock volts.

oc613
Mar 5th, 2005, 01:39 AM
i really don't think it's that close. reason i say this is becuase i've had systems that i can game on for hours, run 3dmark, superpi 32M, but can't run prime for more than 1 minute without raising the vcore a lot.

anyways, speculation is useless, and you of course were right to guide him by raising the vcore slowly.

However the guy sounds like he doesn't know what he's doing at all. meaning he hasn't stress tested anything. and just speaking from experience there is often a huge difference in voltage required to be able to use something day to day, and to prime something for 24 hours on large fft.

but yeah, either raise the voltage or reduce the overclock.

but run prime first. memory is fine at 3 4 4 8 @ 200 mhz unless it's defective.

Gordon
Mar 5th, 2005, 10:02 AM
How long should i leave prime95 on?

Also my amd chip that i bought was an earlyer edition it cools at 41c with 3200+. (green board chip)

My friend bought one around 6 months later and got the same one but his is a (brown board chip). and he cools at 28c on 3200+.

we both use Zalman CNPS-7000A-ALCU.

Ill try uping the voltage to 1.7 on prime95.

nsd
Mar 5th, 2005, 10:09 AM
By the way, the OCZ thermal crap is crap, go get Arctic Silver. THG ran some tests on the OCZ and it came up that it had no silver in it :twisted:

oc613
Mar 5th, 2005, 11:05 AM
How long should i leave prime95 on?

Also my amd chip that i bought was an earlyer edition it cools at 41c with 3200+. (green board chip)

My friend bought one around 6 months later and got the same one but his is a (brown board chip). and he cools at 28c on 3200+.

we both use Zalman CNPS-7000A-ALCU.

Ill try uping the voltage to 1.7 on prime95.

as i said earlier prime 95 should be run for 24 hours (on each of the three torture settings).

the green or brown doesn't matter, that's just the packaging, and makes no difference in temperature. the variation just goes to show how innacurate the motherboard sensors are board to board.



By the way, the OCZ thermal crap is crap, go get Arctic Silver. THG ran some tests on the OCZ and it came up that it had no silver in it.



ocz recalled that termal paste before it hit many distribution channels AFAIK. the odds are pretty low, and 41 degrees is an awesome temperature already if that's at all accurate. but yeah, maybe apply new paste, it wouldn't hurt to reseat the heatsink and to check the contact.

radeonboy
Mar 5th, 2005, 12:29 PM
could be an amd problem..

you try dusting out the inside of the computer??

No. Just no. :confused: How could you say such a thing.

Gordon
Mar 5th, 2005, 12:44 PM
as i said earlier prime 95 should be run for 24 hours (on each of the three torture settings).

the green or brown doesn't matter, that's just the packaging, and makes no difference in temperature. the variation just goes to show how innacurate the motherboard sensors are board to board.



ocz recalled that termal paste before it hit many distribution channels AFAIK. the odds are pretty low, and 41 degrees is an awesome temperature already if that's at all accurate. but yeah, maybe apply new paste, it wouldn't hurt to reseat the heatsink and to check the contact.

As you guys said. I set my ram settings at 2.5-3-3-8 200fsb. at 2.7V

and my Vcore is at 1.675.

Ill try running memtest86.

I ran prime95 for 2 hours no errors what so ever.

Mr Nobody
Mar 5th, 2005, 01:03 PM
I ran prime95 for 2 hours no errors what so ever.

24. Not 2.

Gordon
Mar 5th, 2005, 01:10 PM
yeah i know. But ill run it tonight.

When running Memtest86 on 2.5-3-3-8 at 2.7V i get alot of errors.

runing 3-3-3-8 on 2.6v no errors.

So what should i do?

lead
Mar 5th, 2005, 01:24 PM
leave it then at 3 3 3 8 thats some weak samsung ram you got. also your running ratio 1:1 right?

Gordon
Mar 5th, 2005, 01:27 PM
yeah 1:1, should i try upping the volts to 2.8?

lead
Mar 5th, 2005, 02:36 PM
typically it should be doing cas 2.5 at 2.5 volts alot of the sticks do but then some don't which is probably why its rating is cas3.But if you check out the forum at <a href=../autolink/redirectpage.php?linkid=28 target=_blank>ncix</a> under that ram most have reached it.Don't fret tho ram seems to improve with age and use won't go into why but I have seen some oldd 266 ram running at 200 fsb. Anyway you could try 2.8 but with that kinda volts which isn't alot compared to what some high end stuff is pushed too. You better have some circulation in your tower so a little breeze goes over the ram.Another thing you could try is 3 3 3 11 at 2.7 volts or 2.5 3 3 11.Your board might prefer that setting and maybe the ram will get along with it at that setting for a cas 2.5. The 11 is the choice setting for nforce boards but some ram doesn't like it.
Could cause a reboot if it doesn't so incase your not familiar with the procedure, you'll needto clear cmos its the jumper by the battery, then setting j10/j11 jumper on the board to safe mode reboot.Go into bios hit safe default bios settings save and escape when its rebooting shut it off put the j10/j11 setting back to 133/166 or user defined(its all in the manual). reboot your back to square one again.
In a nut shell 2.5 cas is better than 3 and 11 is better than 8 for nforce boards.Both basically it gives a nice little performance boost like an overclock does. But mainly you should concentrate on stability so if its running stable now with more v-core at cas 3. Leave it for a while run the tests and make sure its stable before anymore tweaking.

Gordon
Mar 6th, 2005, 11:36 AM
:cry: :cry: When ever i play games it restarts more often...

amorak
Mar 6th, 2005, 12:18 PM
You need to learn how to overclock - It's obvious your instability issues are because of an instable overclock... Either reduce your OC or increase your VCore... :rolleyes:

Gordon
Mar 6th, 2005, 12:26 PM
I did its at 1.675

Do i want it at 1.7?