2 System Board

The Input/Output Controller Hub 2 (82801BA)

The following devices are connected to the SMBus:

LCD status panel.

One Serial EEPROM MaxiLife (also includes backup values of CMOS settings).

PCI slot 5, thus being ready for Alert-On LAN (AOL) from a hardware level.

ICH2 SMBus Master Controller 100 kHz maximum.

MaxiLife for hardware management, bus master controller.

One LM75 thermal sensor on the system board.

One ADM1024 hardware monitoring sensor.

RIMM or DIMM serial EEPROM.

Intel Pentium 4

Processor

System Bus

I850 Memory

Controller Hub

(MCH)

HUB LINK 8 (233 MB/s data transfer rate)

I/O Controller Hub

(ICH2) 82801AAB

 

IDE

 

PCI Bridge

 

 

 

 

 

 

Controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CS Audio

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 x USB

 

Codec

 

 

 

 

Controller

 

(CS4299)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DMA

 

SM Bus

 

 

 

 

 

Controller

 

Controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SMBus

 

MaxiLife

 

 

 

 

 

 

 

 

 

 

Monitoring

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Chip

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Serial

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EEPROM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fans

LCD

Status

Panel

48

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Image 48
HP XU700 manual ICH2 82801AAB