Intel 8I845PE-RZ-C user manual Block Diagram, English

Block Diagram

English

AGPCLK (66MHz)

5 PCI

AGP 4X

RJ45 *

Pentium 4	CPUCLK+/- (100/133MHz)
Socket 478
CPU

System Bus 400/533MHz

DDR 266/333MHz

Intel 845PE

GMCHCLK(66MHz)

HCLK+/- (100/133MHz)

66MHz 33 MHz

RTL8100C *

48 MHz

14.318 MHz

ICH4

BIOS

Game Port

AC97 Link

LPC BUS

IT8712

Floppy

PCICLK (33MHz)

AC97

CODEC

MIC LINE-IN LINE-OUT

24 MHz

6 USB	ATA33/66/100
Ports	IDE Channels

LPT Port

PS/2

KB/Mouse

33 MHz

COM

Ports

PCICLK (33MHz)		GMCH CLK(66MHz)
	CLK GEN	CPUCLK+/- (100/133MHz)
USBCLK (48MHz)
		AGPCLK (66MHz)
14.318 MHz
		HCLK+/- (100/133MHz)
33 MHz

"*" For 8I845PE-RZ only.

- 7 - Introduction