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NVRam Base Address Invalid (AMI Diag)

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by douglas_shadix

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Have a Compaq Presario 5140, that used to just restart while you were in Windows no matter what you were doing. It has advanced to where while booting it gets to the point where desktop should appear then reboots, it stays in this loop never gettingto windows in safe or normal modes. I ran AMI Diagnostics and passes all tests but PNP test saying NVRam Base Address Invalid. I have upgraded the BIOS to the latest version and still have a problem. The only other option I can think of is to replace the System Board. Any other suggestions? Would clearing BIOS VIA jumper work? have not opened the case yet.

2 replies

by dingleborg

Is pnp enabled in Bios? Sometimes flashing the bios, the settings won't be set the way they should be.

What version of windows? Is this a desktop or laptop?

Recommend re-install with windows 2000 if everything checks out after doing a 'winnt /checkupgradeonly'

by douglas_shadix

Although there is no setting for enable PNP the setting for PNP aware OS is enabled. I realize when flashing BIOS, settings may and usually do change, this was no exeption. In this case the problem existed and a possible solution was to flash the BIOS, but this was not the fix I had hoped for. This is a desktop computer with 98 first edition installed.
For those that don't know the term NVRam, this is NON-VOLITILE RAM where settings typed into CMOS is stored under battery backup. It can bea stand alone chip or a combo with the BIOS, this is a stand alone chip but it is SOJ (Solder on Jumpers) and non chageable.

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