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STATUS_PNP_BAD_MPS_TABLE
STATUS_PNP_BAD_MPS_TABLE identifies inconsistent legacy MultiProcessor Specification firmware data: a device expected by Plug and Play is absent from the BIOS MPS table. This is a platform-description problem, not a driver-package ranking result.
On modern systems, ACPI tables normally describe processor and interrupt topology, while MPS is a legacy multiprocessor mechanism. The right comparison is the firmware version, the affected platform configuration, and the operating system's hardware-description records; editing an INF cannot repair a missing firmware table entry.
Safe diagnostic direction
- Preserve the exact firmware/BIOS version and the hardware configuration that produced the status.
- Check for a vendor-provided firmware update or vendor advisory rather than forcing a device to start with guessed resource values.
- Compare the issue across the same board model and firmware revision, especially after a firmware, CPU, or PCI topology change.
References
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