invalid memeory module

Apply the BIOS upgrade again and install the previous version (you did save it ?) or apply a later version available from compaq support. You could always change the memory module of course !

You might also check the BIOS settings to see if there is more than one type of memory module available to be selected. make sure the correct type is selected.

I've seen this exact error message a *lot*, since I work for a Compaq reseller. I don't recall having seen it from a successful BIOS upgrade.

Typicically, if I reseat the memory modules in the machine, everything returns to normal. You may also want to clean the connectors on the memory module with a pencil eraser.

Questions: If you remove one or both memory modules, does the problem disappear? Are all the memory modules in the unit manufactured by Compaq? (Compaq has very strange specs for RAM) Were there any errors when you upgraded the BIOS? Is this the most recent BIOS revision?

I'd remove the RAM and try booting up without it.

It appears that your BIOS isn't playing nice with the ram.

After a successful bootup, shut down and before inserting the ram again, clean the contacts with a pencil's eraser.

Good luck.

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