Revision History
Chapter 4
Block Diagram
AGP 4X
AGPCLK
(66MHz)
5 PCI
PCICLK
AC97
(33MHz)
CODEC
PCICLK (33MHz)
USBCLK (48MHz)
14.318 MHz
33 MHz
"*" Auto detect and optimized setting for Pentium
Technical Reference
Pentium 4
Socket 478B
CPU
400/533 MHz
Intel
82845
Intel
ICH 2
AC97 Link
4 USB
Ports
ICS
950223
- 53 -
CPUCLK+/- (100/133* MHz)
System Bus
200/266MHz
MCH66 (66MHz)
MCHCLK+/- (100/133* MHz)
66 MHz
33 MHz
14.318 MHz
48 MHz
BIOS
LPC BUS
ITE
8712
48 MHz
ATA33/66/100
IDE Channels
MCH66 (66MHz)
CPUCLK+/- (100/133* MHz)
AGPCLK (66MHz)
MCHCLK+/- (100/133* MHz)
ICH3V66 (66MHz)
4 processor.
®
DDR
Game Port
Floppy
LPT Port
PS/2
KB/Mouse
COM
Ports
Technical Reference