NEC PowerMate SPB-Wash, User Manual

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System Specifications B-7
Intel 82371EB PCI ISA IDE Xcelerator (PIIX4E)
The PIIX4E is a multifunction PCI device implementing the
PCI-to-ISA bridge, PCI IDE functionality, universal serial
bus (USB) host/hub functions, and enhanced power
management. The PIIX4E comes in a 324-pin package and
provides the following features:
„
Multifunction PCI-to-ISA bridge
„
Supports PCI bus at 33 MHz
„
Supports full ISA bus
„
USB controller

Supports two USB ports

Supports legacy keyboard and mouse

Supports UHCI design guide, revision 1.1 interface
„
Integrated dual-channel enhanced IDE interface

Supports up to four IDE devices

Supports Fast PIO Mode 4 transfers at up to
16 MB/second

Supports Ultra DMA/33 synchronous DMA mode
transfers up to 33 MB/second

Supports bus master mode with an 8x32-bit buffer for
bus master PCI IDE burst transfers
„
Enhanced DMA controller

Two 8237-based DMA controllers

Supports PCI DMA with three PC/PCI channels and
distributed DMA protocols