Mysterious reboots on an A64 system... give me a hand..!

NeoDaywalker

Member
Dec 19, 2004
32
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First of all my system specs:

Athlon64 3000+ socket754
Chaintech VNF3-250 Nforce3
512MB DDR-RAM
120GB WD hard drive
10GB WD hard drive
Geforce3 Ti200
DVD-ROM
DVD-RW dual layer
Chieftec 360W power supply
Using on-board sound audio

Ok here goes:

A few weeks ago, after installing a brand new 120GB WD drive and installing WinXP all over again (along with my applications) i had a strange reboot going on when clicking to play Star Wars Galaxies. The phenomenon was happening very rarely - once a week or so - and soon id forget it, believing that it was caused by the game (it doesnt have the best coding ever anyway). Everytime the computer was rebooting and WinXP sent an error report, it said that it was caused by a device driver that they couldnt identify.

Yesterday though while i was playing Battle for Middle Earth, the screen froze and soon after, the rebooting happened once again. After reloading WinXP, the error report said that the problem was caused by the Nvidia display driver (couldnt use DirectDraw or something like that). Weird. After that i started a full diagnostic check-up:

Went to WD's website, downloaded and ran every diagnostic utility that was available, which the 120GB hard drive passed with flying colours. I also ran the scandisk utility of WinXP, no bad sectors. I ran both Norton Antivirus and PC-Cillin (updated with the latest definitions) no viruses or trojans were detected. I also ran Prime95, stressing my CPU for about an hour, the machine didnt hang or crash at all. I havent tried Memstest yet, cause i have my floppy drive disconnected. Note that i had all the latest motherboard (Nforce 5.10) and graphics (66.93) drivers installed. My temps i think are ok: CPU: 43-44C when idle, 49-50C while running Prime95 and around 46-47CC when running a game or a movie. Mobo temps seem to be at a 27C stable at all times, thank heavens for the many fans i have installed.If the CPU temps seem a bit high to ya, its probably because i havent applied Arctic Silver5 yet and used a thermal compound that came with the mobo & also using the stock fan/cooler that came with the CPU.

So now i have concluded to the two following: Either the power supply simply cant cut it and needs to go, or my videocard is at its last. I re-installed the Geforce drivers, used coolbits 2.0 and underclocked the videocard, played Star Wars KOTOR2 for a good one hour today, no reboots. I also had the system running ALL DAY downloading some stuff while i was at work, no problems. I came back home and found it running as i left it.

SO my dear friends: What are your opinions?
 

bleuless

Senior member
Jul 25, 2001
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when you mentioned that it reboots during you playing a game, this reminded mine own encounter.

few years ago i had an older system playing warcraft 3, and it would reboot randomly and later starts to lock up at random time. i didn't think much of it and just gave up playing WC3 (since it was so random, sometimes i can play for hours b4 it crashes) later that year, i was building a new pc and had some extra arctic silver (you always have extra :p) so i decided to use that on my old pc, and to my surprise, i found that the damn heatsink was improperly installed. it had used the gum type for contact to the die and the bastard installing it left the plastic tape on the gum!!! anyways, i took it off and clean it up and used artic silver and try WC3 again, and it runs fine.

so my encounter was a heat related crash, only when WC was pushing my cpu hard it crashes, everything else was fine. i suggest you monitor your cpu temp also, maybe some games are more demanding than others. good luck.
 

NeoDaywalker

Member
Dec 19, 2004
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Hmmm, i assembled this system myself and i was extremely careful during the installation of everything on it. Besides, the A64 heatsink installation is such, that its impossible to install something wrong.

As for the temps, its around 45-46C when playing Battle for Middle Earth. I think this weekend though, i will apply AC5 properly. That cheap a$$ thermal compound that came with the motherboard, doesnt seem to do much good.
 

Budman

Lifer
Oct 9, 1999
10,980
0
0
used coolbits 2.0 and underclocked the videocard, played Star Wars KOTOR2 for a good one hour today, no reboots

I think you found your problem right there,maybe the card's overheating?

Have you cleaned the heatsink on your video card lately?

And you dont need a floppy to run memtest because they have downloadable iso cd images. ;)

 

lavaheadache

Diamond Member
Jan 28, 2005
6,893
14
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I thought that you couldnt use old-school 2x agp vid cards in newer systems like that. Because of the voltage differences or something. Maybe I'm completely wrong but that could be your problem
 

necine

Diamond Member
Jan 25, 2005
3,631
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He means the heatsink on the GPU was installed incorrectly by the manufacturer. I'd give it a shot, or just buy a geforce 4200 around here for like 30 bucks.
 

fishmonger12

Senior member
Sep 14, 2004
759
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are you sure it's not a power issue?

you're running 2 opticals and 2 hard drives, and you said it started happening only after you installed the new hard drive.
 

Budman

Lifer
Oct 9, 1999
10,980
0
0
Originally posted by: NeoDaywalker
Originally posted by: fishmonger12
are you sure it's not a power issue?

you're running 2 opticals and 2 hard drives, and you said it started happening only after you installed the new hard drive.


I thought of that too. Look at my voltage readings btw. I think the 12V one is too low.

http://users.tellas.gr/~ilias78/PSU%20temps.bmp

What do you think?



There's nothing wrong with those readings,11.7 is quite within specs.

did you look at your video card? did you look to see that there's no dust build-up on the vga cooler?

Btw next time try saving as JPG instead of a big BMP file. ;)
 

UsandThem

Elite Member
May 4, 2000
16,068
7,383
146
Originally posted by: lavaheadache
I thought that you couldnt use old-school 2x agp vid cards in newer systems like that. Because of the voltage differences or something. Maybe I'm completely wrong but that could be your problem

Geforce3's were 4x/8x cards if I remember correctly.