82371AB Datasheet, PDF(1/284 Page) Intel Corporation – PCI-TO-ISA / IDE XCELERATOR PIIX4

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82371AB Datasheet, PDF (1/284 Pages) Intel Corporation – PCI-TO-ISA / IDE XCELERATOR PIIX4

E

82371AB PCI-TO-ISA / IDE

XCELERATOR (PIIX4)

Supported Kits for both PentiumÂ® and

PentiumÂ® II Microprocessors

ï£§ 82430TX ISA Kit

ï£§ 82440LX ISA/DP Kit

Multifunction PCI to ISA Bridge

ï£§ Supports PCI at 30 MHz and 33 MHz

ï£§ Supports PCI Rev 2.1 Specification

ï£§ Supports Full ISA or Extended I/O

(EIO) Bus

ï£§ Supports Full Positive Decode or

Subtractive Decode of PCI

ï£§ Supports ISA and EIO at 1/4 of PCI

Frequency

Supports both Mobile and Desktop

Deep Green Environments

ï£§ 3.3V Operation with 5V Tolerant

Buffers

ï£§ Ultra-low Power for Mobile

Environments Support

ï£§ Power-On Suspend, Suspend to

RAM, Suspend to Disk, and Soft-

OFF System States

ï£§ All Registers Readable and

Restorable for Proper Resume

from 0.V Suspend

Power Management Logic

ï£§ Global and Local Device

Management

ï£§ Suspend and Resume Logic

ï£§ Supports Thermal Alarm

ï£§ Support for External

Microcontroller

ï£§ Full Support for Advanced

Configuration and Power Interface

(ACPI) Revision 1.0 Specification

and OS Directed Power

Management

Integrated IDE Controller

ï£§ Independent Timing of up to

4 Drives

ï£§ PIO Mode 4 and Bus Master IDE

Transfers up to 14 Mbytes/sec

ï£§ Supports âUltra DMA/33â

Synchronous DMA Mode Transfers

up to 33 Mbytes/sec

ï£§ Integrated 16 x 32-bit Buffer for IDE

PCI Burst Transfers

ï£§ Supports Glue-less âSwap-Bayâ

Option with Full Electrical Isolation

Enhanced DMA Controller

ï£§ Two 82C37 DMA Controllers

ï£§ Supports PCI DMA with 3 PC/PCI

Channels and Distributed DMA

Protocols (Simultaneously)

ï£§ Fast Type-F DMA for Reduced PCI

Bus Usage

Interrupt Controller Based on Two

82C59

ï£§ 15 Interrupt Support

ï£§ Independently Programmable for

Edge/Level Sensitivity

ï£§ Supports Optional I/O APIC

ï£§ Serial Interrupt Input

Timers Based on 82C54

ï£§ System Timer, Refresh Request,

Speaker Tone Output

USB

ï£§ Two USB 1.0 Ports for Serial

Transfers at 12 or 1.5 Mbit/sec

ï£§ Supports Legacy Keyboard and

Mouse Software with USB-based

Keyboard and Mouse

ï£§ Supports UHCI Design Guide

SMBus

ï£§ Host Interface Allows CPU to

Communicate Via SMBus

ï£§ Slave Interface Allows External

SMBus Master to Control Resume

Events

Real-Time Clock

ï£§ 256-byte Battery-Back CMOS SRAM

ï£§ Includes Date Alarm

ï£§ Two 8-byte Lockout Ranges

Microsoft Win95* Compliant

324 mBGA Package

Â© INTEL CORPORATION 1997

April 1997

Order Number: 290562-001

4/9/97 2:23 PM PIIX4aDS

INTEL CONFIDENTIAL

(until publication date)

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