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Chapter 1 37
3South
Bridge
Intel ICH8ME (South Bridge)
Package: mBGA 676 balls
Features:
• PCI Express Base Specification, Rev 1.1 support
• ACPI Power Management Logic Support
• Enhanced DMA controller, interrupt controller, and timer function
• Integrated Serial ATA host controllers with independent DMA operation
on three ports and AHCI support
• Integrated IDE controller supports Ultra ATA100/66/33
• USB host interface with support for ten USB ports; five UHCI host
controllers; two EHCI high-speed USB 2.0 host controllers
• Integrated 10/100/1000 GbE MAC with circuit breaker
• System Management Bus (SMBus) Specification, ver 2.0 with additional
support for I2C devices
• Supports Intel High Definition Audio (Intel HD Audio)
• Support Intel Matrix Storage Technology
• Support Intel AMT
• Low Pin Count (LPC) interface
• Firmware Hub (FWH) interface support
• Serial Peripheral Interface (SPI) support
• 6 PCIe ports
4 System
clock
System clock chip: ICS ICS9LPRS365 or pin compatible device
Package: 64 pin TSSOP
Crystal and Oscillator:
• Clock Synthesizer: 166/200Mhz for CPU, GMCH
• 100MHz clock buffer for SRC and PCI-E device, SATA
• 33Mhz PCI clock for PC device,SIO,LPC
• 48MHZ — USB controller base clock ICH8
• 96MHZ — GM965 dot clock
• 32.768Khz — ICH internal RTC and KBC base clock
Power: 3.3V, 1.25V
Features:
• Support spread spectrum function, for reducing EMI. Support SM bus
interface
5 Thermal IC Analog Device ADM1032ARM
Package: MSOP 8-pin
Features:
• Thermal sensor control
Interface: I
2
C bus, address: (9Ch)
Core System
Item Description Specifications