58
2 System Board
The Input/Output Controller Hub (82801AA)
•
PCI slot 5, thus supporting Alert-On LAN (AOL).
•
ICH SMBus Master Controller 16 kHz maximum.
•
MaxiLife for hardware management, bus master controller.
•
RIMM or DIMM serial EEPROM.
•
Hardware Monitoring ASIC.
ICH SMBus Master
Controller
The ICH provides an intelligent processor-to-SMBus controller. All access
performed to the SMBus is done through the ICH SMBus interface.
Typically, the processor has access to all the devices connected to the
SMBus.
820 Memory
Controller Hub
(MCH) 82820
I/O Controller Hub
(ICH) 82801AA
MaxiLife
Monitoring
Chip
Serial
EEPROM
SMB
us
2 x USB
Controller
LCD
Status
Panel
Host (also called
FSB) two-way Bus
100/133 MHz,
HUB LINK 8
(266 MB/s data
transfer rate)
SM Bus
Controller
Fans
Intel Pentium III
Processor
I/O Controller Hub
(ICH) 82801AA
PCI Bridge
IDE
Controller
DMA
Controller