Intel 4127, 4112 user manual Block Diagram

Block Diagram

PCIe CLK
(100 MHz)	D-Sub

LGA775		CPU CLK+/-
		(333(Note 1)/266/200/133 MHz)
Processor
	Host
	Interface	DDR2 667/533/400 MHz(Note 2)

Intel®

Dual Channel Memory

PCI Express x16

1 PCI Express x1 LAN

945GC

GMCH CLK

(333(Note 1)/266/200/133 MHz)

RJ45

BIOS

PCIe CLK

(100 MHz)

x 1

RTL8111C

ATA-100/66/33 IDE Channel

RTL8101E

Intel®

4 SATA 3Gb/s

PCI Express Bus

ICH7

8 USB Ports

PCI Bus

Floppy

IT8718

LPT Port

CODEC

COM Port

PS/2 KB/Mouse

Speaker Out) Speaker Out) Speaker Out)

SPDIF Out

2 PCI

MIC(Center/Subwoofer Out(Front-Line -LineIn(Rear

PCI CLK

(33 MHz)

Only for GA-945GCM-S2L.

Only for GA-945GCM-S2C.

(Note 1) Enable use of a CoreTM 2 CPU with 1333 MHz FSB through overclocking. You must install the FSB 1333 MHz CoreTM 2 CPU with DDR2 533 (or above) memory module(s).

(Note 2) Use of a 1066/800 MHz FSB CPU is required if you wish to install DDR2 667 MHz memory.

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