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IRQ_NOT_LESS_OR_EQUAL

YankeesWin

Senior member
I'm getting an error "IRQ_NOT_LESS_OR_EQUAL" in Vista. I checked the event log, and I got

"IRQARB: ACPI BIOS does not contain an IRQ for thedevice in PCI slot ___"
it has 7 of thse, one for every PCI slot on my board. I didn't have this problem until i flased to the latest BIOS, so I assume it has something to do with this version. Anyway to solve the problem, or should I just use the old BIOS?
 
What motherboard?

Maybe mess with the PnP O/S option in the BIOS. You don't want to disable ACPI, though. The new BIOS contains some new ACPI "mappings" which is likely what screwed you over. I would contact the motherboard manufacturer if they don't release another fix soon. It's likely not just you with this problem.
 
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