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Accelerated graphics port interface
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PCI bus interface
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Data buffering
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System Management Mode (SMM) support
Intel 82371EB PCI ISA IDE Xccelerator (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:
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Multifunction PCI-to-ISA bridge
Supports AGP video adapters with data transfer
rates up to 133 MHz
Synchronous coupling to the host-bus frequency
Asynchronous coupling to the host-bus frequency
Supports three PCI bus masters in addition to the
host and PCI-to-ISA I/O bridge
Data streaming support from PCI-to-DRAM
PCI parity generation support
Supports concurrent host, PCI, and AGP
transactions to main memory
Supports host-to-DRAM, PCI0-to-DRAM, and
PCI1/AGP-to-DRAM read buffering
DRAM write buffer with read-around-write
capability
AGP dedicated inbound/outbound FIFOs
(133/66 MHz)
System Specifications B-5
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