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Random ReBoot

By HereInOz ·
I have an old machine running a J-Mark J-TX98B Motherboard and a Cyrix processor (233MHz approx) with Win2000 SP3 installed. 198Mb SDRAM

About once a day, it will simply reboot itself without warning - no error messages, nothing. I have been told that this is not unheard of with some old motherboards & Win2000. Alternatively it could be a hardware problem, but I don't want to go chasing hardware glitches if it is "just the way it is with that Motherboard".

Does anyone have any wisdom onthis one?

Regards,

Alan

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Random ReBoot

by HereInOz In reply to Random ReBoot

Sorry. Meant 192MB RAM. Can't add up, can't type, or both!!!

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Random ReBoot

by CG IT In reply to Random ReBoot

reboots [with no mem dump] usually indicates inadequate power supply but in this case, it's probably as you suspect. Your using at or near the minimum hardware requirement for W2K. Question, how much free space is there on your c drive? Having amplefree space can help performance [re virtual memory availability].

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Random ReBoot

by HereInOz In reply to Random ReBoot

It actually wasn't the problem, but nevertheless it did clue me up to the fact that the Virtual Memory was set a bit low, and needed to be increased, so thank you.

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Random ReBoot

by leehellcat In reply to Random ReBoot

It could be that your system is getting too hot. Check the system temperature in the bios next time it restarts.
I have a similar problem with an Athlon XP1900. It just shuts down for no apparent reason, but when I run it with the case ope it knocks 10 degrees off the temp, and it will happily run all week without a glitch.

To solve it you may want to just clean out the inside of the case, and the heatsinks, or a new CPU/case Fan may be in order.

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Random ReBoot

by HereInOz In reply to Random ReBoot

Again, not the real nub of the heartache, but well worth checking out, which I did. All is in working order as far as temperature goes. This is a '98 vintage BIOS, and doesn't have temperature checks, but all the fans are going and the CPU heatsink is feeling fairly cool, so unless there is a thermal coupling problem fron the CPU to the heatsink, all seems fine

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Random ReBoot

by ebilly In reply to Random ReBoot

9 times out of 10 this is either bad RAM or incompatible RAM, or improperly configured RAM settings in the BIOS. been there, done that!

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Random ReBoot

by HereInOz In reply to Random ReBoot

Right on the button, ebilly. I had a stick of 128MB RAM, and one of 64MB. The 64MB stick was of dubious origin - I had acquired it from somewhere ( a memory upgrade in the past) and when I removed that, all symptoms disappeared. Many thanks for this one to all of you. Filed in the memory for the future.

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Random ReBoot

by HereInOz In reply to Random ReBoot

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