Pci Ven8086 Ampdev8c22 Ampsubsys309f17aa Amprev04 Patched -

Select . Press 7 or F7 to disable driver signature enforcement. Try installing the driver again.

Phantom DMA. That meant the controller, under specific sleep-state exit conditions, would read garbage from a stale register and treat it as a memory address. Then it would attempt to write disk sectors there. Most of the time, the addresses were invalid and the MMU threw a fault, causing the 87ms delay. But sometimes… pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched

Do not search for "SMBus" specifically. You need the . Select

If the device recently failed following a Windows Update cycle, restoring the previous stable configuration often fixes the issue. Press Windows Key + X and select . Phantom DMA

The most common reason for patching DEV_8C22 involves . On Haswell-era Lenovo laptops, the SATA controller has a known firmware bug:

The hardware identifier refers specifically to the Intel(R) 8 Series/C220 Series SMBus Controller Go to product viewer dialog for this item.

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