Gigabyte GA-EP45-UD3LR user manual Block Diagram, PCI Express, LPC Bus

Block Diagram

1 PCI Express x16

PCIe CLK

(100 MHz)

LGA775	CPU CLK+/-
	(400/333/266/200 MHz)
Processor

Host

Interface

PCI Express x16		DDR2 1366 /1066/
	Intel®		800/667 MHz
	P45		Dual Channel Memory

				LAN
4 PCI Express x1				RJ45	MCH CLK (400/333/266/200 MHz)
				RTL
PCIe CLK				8111C	Dual BIOS
(100 MHz)	x 1	x 1	x 1
x 1				x 1

				Intel® ICH10R			6 SATA 3Gb/s
PCI Express Bus
				Intel® ICH10
ATA-133/100/66/		JMicron					12 USB Ports
		368
33 IDE Channel
					LPC Bus
	PCI Bus									Floppy
						IT8718			LPT Port
				CODEC					COM Port
								PS/2
										KB/Mouse
			Speaker Out Speaker Out Speaker Out MIC Line-Out Line-In SPDIF In SPDIF Out
			Surround Center/Subwoofer Side
(33 MHz)
	2 PCI

PCI CLK

Only for GA-EP45-UD3LR.

Only for GA-EP45-UD3L.

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