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Intel(R) 82371AB PCI-TO-ISA/IDE Xcelerator (PIIX4) Datasheet
The 82371AB PCI ISA IDE Xcelerator (PIIX4) is a multi-function PCI device
implementing a PCI-to-ISA bridge function, a PCI IDE function, a Universal
Serial Bus host/hub function, and an Enhanced Power Management
function.This datasheet applies to the 82371AB (PIIX4), the 82371EB (PIIX4E), and the 82371MB (PIIX4M) devices. For more information on the PIIX4E and PIIX4M, refer to the PIIX4E Specification Update. (This is also the Specification Update for the PIIX4.)
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