82443MX Datasheet, PDF (1/173 Pages) Intel Corporation – PCIset

82443MX PCIset

Processor Host Bus Support
— Optimized for the Intel®
Pentium® II and mobile
Celeron™ processors at 66 MHz
— GTL+ Bus Driver Technology

Integrated DRAM Support
— 8 MB to 256 MB using 16-/64-
/128-Mb Technology
— Standard and Registered
SDRAM (Synchronous) DRAM
Support (x-1-1-1 access at 66
MHz)
— Enhanced Open Page
Arbitration SDRAM Paging
Scheme

PCI Bus Interface
— PCI Rev. 2.2, 3.3V, 33 MHz
Interface Compliant

Integrated IDE Controller
— 1 Channel Support for “Ultra
DMA/33” Synchronous DMA
Mode

System Peripheral Support
— Enhanced DMA Controller
Support for Dual Cascaded
82C37 Controllers
— Interrupt Controller based on
two 82C59 for up to 15
Interrupts
— System Timer based on 82C54
— Real Time Clock w/ 256 Bytes
Battery-backed RAM
— X-bus Support for SIO, KBCX
and Flash

USB
— AC’97 Link Controller

AC’97 Audio and Modem CODEC
Interface Support
— USB 1.1 Port for Serial Transfers
at 12 or 1.5 Mbits/sec
— Supports UHCI Design Guide

SMBus Support

Power Management Logic
— Support for Power-on Suspend,
Suspend-to-SDRAM, and
Suspend-to-Disk
— Support for Thermal Alarm
— Full Support for ACPI Revision
1.0 Specification

31 GPIO Pins

1.65 W TDP

492 uBGA Package
The Intel® 82443MX PCIset integrates the traditional “North Bridge” and “South Bridge” into one device
reducing power and board space for Intel® Pentium® II and mobile Celeron™ processor-based designs.
The Intel 82443MX PCIset may contain design defects or errors know as errata which may cause the product
to deviate from published specifications. Current characterized errata are available upon request.
Order Number: 245052-001