64-bit PMP AHCI Base Driver is a software product for Windows developed by Silicon Image, Inc.
It is reported that the following Windows processes are part of 64-bit PMP AHCI Base Driver:
If you want to remove 64-bit PMP AHCI Base Driver from your computer, just go to Start > Control Panel > Add/Remove programs and select 64-bit PMP AHCI Base Driver from the list of programs.