35
2 System Board
Architectural View
Architectural View
LPC / FWH Link
820
Memory
Controller Hub
(MCH)
82820
AGP
PRO
Connector
Audio PCI
Chip
(CSA4280)
I/O Controller Hub
(ICH) 82801AA
MaxiLife
Monitoring
Chip
Serial
EEPROM
Rambus Channel
SMBus
Address (36)
Control
Data (64)
ATA 66, 2 Channels
AGP
4x Bus
(133 MHz (1 GB/sec
data transfer rate)
Intel Pentium III
Processor
(optional second processor)
with L2 cache memory
2 x USB
Controller
LCD
Status
Panel
Parallel and
Serial Ports
FC-PGA Package
FC-PGA Package
Keyboard,
Mouse and
Floppy
Slot 1 - 32-bit/33 MHz
Slot 2- 32-bit/33 MHz
Slot 3 - 32-bit/33 MHz
Host (also called FSB)
two-way Bus
(100/133 MHz, 1 GB/sec
data transfer rate)
HUB LINK 8
(266 MB/s data
transfer rate)
2 IDE
Connectors
2 USB
Connectors
FirmWare Hub
(FWH)
82802
USB
Super I/O
NS 87364
SM Bus
Controller
Fans
PCI Bus (32-bit, 33 MHz)
133 MB/s data transfer rate
MIDI
Port
Intel Pentium III
Processor
with L2 cache memory
AC’97
a
Audio
Controller
I/O Controller Hub
(ICH) 82801AA
PCI Bridge
IDE
Controller
(1.2 GB/s at 300 MHz or
1.6 GB/s at 400 MHz-
data transfer rate)
LPC
Bridge
Slot 4 - 32-bit/33 MHz
Slot 5 - 32-bit/33 MHz
AC ‘97
Digital
Link
Codec
Audio AC‘97
Two onboard RIMM sockets
supporting RDRAM memory.
a. It should be noted that the AC’97 Audio Controller is not used. The PCI CS4280 and CS4297 audio is a full PCI solution that is independent of the ICH
core logic.