Gigabyte GA-8I945AE-AE Schematic

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Model Name: 8I945AE-AE Revision 1.1				SHEET	TITLE
	SHEET	TITLE
	01	COVER SHEET		28	REAR AUDIO JACK
	02	BLOCK DIAGRAM		29	TI TSB43AB23 1394
	03	BOM & PCB MODIFY HISTORY		30	MARVELL 88E8052
	04	P4_LGA775_A		31	VCORE PWM_ISL6556
	05	P4_LGA775_B		32	DISCRETE POWER
	06	P4_LGA775_C		33	ATX, OTHERS POWER
	07	P4_LGA775_D,E,F,G		34	FRONT PANEL
	08	GMCH-LAKEPORT_HOST
	09	GMCH-LAKEPORT_DDRII
	10	GMCH-LAKEPORT_PCI E, DMI
	11	GMCH-LAKEPORT_INT VGA
	12	GMCH-LAKEPORT_GND
	13	GMCH-LAKEPORT_PWR
	14	DDRII CHANNEL A 1,2
	15	DDRII CHANNEL B 1,2
	16	DDRII TERMINATION
	17	PCI EXPRESS*16 SLOT
	18	ICH7 PCI, USB, DMI, LAN
	19	ICH7 IDE, GPIO, SATA, CTRL
	20	ICH7 VCC, GND
	21	GB/CK410M CLOCK.
	22	PCI SLOT 1,2,PCIE*1
	23	IDE/FLOPPY/USB
	24	SMSC LPC IO
	25	COM_LPT
	26	BIOS,CI,HWM,KB/MS
	27	ALC880
								Gigabyte Technology
						Title			Cover Sheet
						Size		Document Number	8I945AE-AE			Rev
						Custom						1.1
						Date:		Friday, June 10, 2005		Sheet 1 of	34

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BLOCK DIAGRAM

INTEL Pentium4

LGA775

D

D

VCORE = 1.4V

PAGE 4~7

VCC3

CLOCK GENERATOR

CHANNEL A

PAGE 21

GMCH

DDRII

DIMM X 2

CKVDD = 3.3V

LAKEPORT(945G)

MAA0~14

VTT_DDR = 0.9V

PAGE 14

MAA_CPC1~5

CHANNEL B

PCI EXPRESS X16

MAB_CPC1~5

MDD0~63

-DQSD0~7

DDRII DIMM X 2

DM0~7

VCC3 = 3.3V

1.8VSTR = 1.8V(MEMORY,SUSPEND POWER)

PAGE 15

+12V = 12V

PAGE 17

VCORE = 1.5V / SLEEP : 1.3V

VTT_DDR = 0.9V

3VDUAL = 3.3V

2_5VSTR = 2.5V(MEMORY)

PAGE 8~13

VCC = 5V

C

C

MARVELL 8052

ICH7

IDE Primary

PAGE 30

PAGE 23

VCC = 5V

USB PORTS 0~7

SERIAL ATA II

VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)

VCC = 5V

3VDUAL = 3.3V(SUSPEND POWER)

PAGE 19

5VSB = 5V

VCC3 = 3.3V

VCC = 5V

5VUSB = 5V

RTCVDD = 3.3V

PAGE 18~20

PCI BUS

FWH/HWMO SMSCEMC6D103

B

PCI SLOT 1,2;PCIE*1

B

VCC = 5V

PAGE 24

+12 = 12V

VCC3 = 3V

-12 = -12V

VCC = 5V

PAGE 22

VCC3 = 3V

3VDUAL = 3V

AC97/Azalia ALC880

TI 1394A(N/A)

LPC BUS

LPC I/O SMSC LPC47M182

+12V = 12V

PAGE 29

VCC3 = 3.3V

PAGE 27

VCC = 5V

PAGE 24

VCC = 5V

5VSB = 5V

AVDD = 5V

VBAT = 3V

AUDIO PORTS :

FRONT AUDIO

FRONT PANEL /CPU FAN

I/O PORTS :

A

VCC = 5V

A

5VSB = 5V

+12 = 12V

LIN_ OUT

LINE_IN

MIC

CD_IN

PVCC = 5V

PAGE 34

COMA COMB LPT

PS2 IR

FDD

PAGE 28

PAGE 25,26

Gigabyte Technology

Title

BOM & PCB MODIFY HISTORY

Size

Document Number

8I945AE-AE

Rev

Custom

1.1

Date:

Friday, June 10, 2005

Sheet 2

of

34

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Model Name: 8I945AE-AE

Version: 1.1

Component value change

history		2005/06/10
Data	Change Item	Reason
2005/02/01	PAGE 29:ACER modify USB_1394 for rear window
	PAGE 24:add 5VDUAL LOCKER
2005/03/21	PCB REV 0.2 MODIFY(ACER)
	PAGE 31:LAYOUT CHANGED	1.VCORE PWM(NORTH:3 PHASE,EAST:1 PHASE)
		ADD MOSHSINK1,2
	PAGE 31:LAYOUT CHANGED	2.CPU_FAN,SYS_FAN USE OP+MOSFET
	PAGE 29:LAYOUT CHANGED	3.R_USB/USB_1394 PORT 6/7 CO-LAYOUT
		on REAR SIDE
		4.Front 1394 connector only 1 keep
	PAGE 19:ACER ADD TPM FUNCTION	5.ADD TPM CONNECTOR
	PAGE 28:ACER MODIFY SPDIF CONNECTOR	6.SPDIF PH/1*4K2
	PAGE 26:ACER MODIFY	7.CACEOPEN- PULL-UP from RTCVDD-->3VDUAL
	CASEOPEN--->RTCVDD~>3VDUAL
2005/03/29	9M8I945AEF-AE-02 E-BOM(ACER B2-C)	1.ADD CPU_RETAINTION/[12KRC-040005-21] &
		IO_SHIELD/[12AIO-AE0007-01]
	PAGE 4:PACKAGE
		2.NB/SB CHIPSET
	NB/SB CHIPSET MODIFY:945G/A2+ICH7/A1	MODIFY:945G/A2/ACER/[10HB1-033000-23R]
		+ICH7/A1/ACER/[10HB1-032801-N3R]
	PAGE 11:LAYOUT BOM CHANGED(INTEL REQUEST)	3.SDVO_CLDATA & SDVO_CLCLK add
		220Ω(R1630,R1631)
	PAGE 24:LAYOUT BOM CHANGED-->FAN DESIGN	4.CPU_FAN and SYS_FAN design OP+MOSFET
		circuit
	PAGE 28:LAYOUT BOM CHANGED-->F_AUDIO	5.ADD F_AUDIO ACER CABLE AUDIO
		PRECISION(CEC6,CEC7-->100UF)
	PAGE 34:LAYOUT BOM CHANGED-->VCC1_5	6.EC37,EC38,EC64-->1500U/D/6.3V/AC/
		[11CL1-AD1501-02_11CL1-AD1501-03
		_11CL1-AD1501-04]
	PAGE 11:LAYOUT BOM CHANGED(INTEL REQUEST)	7.L22-->10UH/0806/S/
	-->SATAII PLL POWER ADD (LC) DECOUPLING	[10LI2-12100A-02_10LI2-12100A-03]
		;BC194-->10U/8/Y/6.3V
	PAGE 34:BOM CHANGED-->PWRLED	8.USE GPO26(PWRLED S1/S3 BLINKING)
2005/03/30	9M8I945AE-AE-02 E-BOM(ACER B2-K)	1.DEL 1394 FUNCTION:
		USB_1394(-->USBX2[USB/S/BLACK/
	PAGE 29:LAYOUT BOM CHANGED-->DEL 1394	[11NR6-302004-22_11NR6-302004-23]
		2.ACER PM KEEP R_USB:PH/2*5K9/YELLOW
	PAGE 4:PACKAGE	3.PAGE 4: IO_SHIELD/[12AIO-AE0006-01]
2005/04/29	BOM:9M8I945AE-AE-10A PVT BOM	1. PCB VER:1.0
2005/05/09	PCB REV 1.1 FOR EMS SURGE ISSUE	1.ADD R1674(0/6),C1288(RSV)
	1.PAGE 24:SMSC_PWROK1-->PWOK(BY ATX)	2.ADD C1289(RSV)
	PAGE 33:PWOK
2005/05/27	BOM:9M8I945AE-AE-11A ECN	1.U25
2005/06/10	BOM:9M8I945AE-AE-11B	1.C1288 : 10K/4

Circuit or PCB layout change for next version

DATE

Change Item

Reason

D

C

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A

			Gigabyte Technology
Title		BOM & PCB MODIFY HISTORY
Size		Document Number	8I945AE-AE			Rev
Custom						1.1
Date:		Friday, June 10, 2005		Sheet 3 of	34

5

4

3

2

1

5

4

3

2

1

VCORE

VCORE

VCORE

+

EC1

+

EC2

+

EC3

+

EC4

BC1

BC2

BC3

BC4

22U/12/X5/6.3V 22U/12/X5/6.3V 10U/12/X/6.3V

10U/12/X/6.3V

BC5

BC6

BC7

BC8

10U/12/X/6.3V

10U/12/X/6.3V

22U/12/X5/6.3V

22U/12/X5/6.3V

100U/2V/SPCAP(10CL3-201000-11)/X

100U/2V/SPCAP(11CL3-201000-11)/X

100U/2V/SPCAP/X

100U/2V/SPCAP/X

R422

R423

D

0321

VTT_OR

124/6/1

10/6

GTLREF1

D

R424

C262

210/6/1

1U/6/Y/10V

LGA775 FOOT PRINT FOR ACER:LGA775-ACER

R1

R425

VTT_OR

124/6/1

10/6

GTLREF

LGA775A

R2

C1

210/6/1

1U/6/Y/10V

HA[3..16]

[8]

HA[3..16]

HA3

-HADS

L5

A03#

ADS#

D2

-HADS

[8]

HA4

P6

C2

-BNR

A04#

BNR#

-BNR

[8]

HA5

M5

D4

-HIT

A05#

HIT#

-HIT [8]

HA6

L4

H4

A06#

RSP#

HA7

M4

G8

-BPRI

-BPRI

[8]

A07#

BPRI#

HA8

R4

B2

-DBSY

A08#

DBSY#

-DBSY

[8]

HA9

T5

C1

-DRDY

A09#

DRDY#

-DRDY

[8]

HA10

U6

E4

-HITM

A10#

HITM#

-HITM

[8]

HA11

T4

AB2

-IERR

A11#

IERR#

HA12

U5

P3

-HINIT

-HINIT

[19]

A12#

INIT#

HA13

U4

C3

-HLOCK

-HLOCK [8]

A13#

LOCK#

HA14

V5

E3

-HTRDY

C2

A14#

TRDY#

-HTRDY

[8]

HA15

V4

AD3

33P/4/N/50V

A15#

BINIT#

HA16

W5

G7

-DEFER

-DEFER

[8]

C

A16#

DEFER#

C

N4

F2

TP_CPU11

RSVD

EDRDY#

-HREQ0

P5

RSVD

MCERR#

AB3

[8]

-HREQ0

K4

REQ0#

-HREQ1

J5

U2

TP_CPU1

[8]

-HREQ1

REQ1#

AP0#

-HREQ2

M6

U3

[8]

-HREQ2

REQ2#

AP1#

TP_CPU2

-HREQ3

K6

RN1

62/8P4R

[8]

-HREQ3

REQ3#

-HREQ4

J6

F3

-BR0

7

8

TESTHI9

[8]

-HREQ4

REQ4#

BR0#

-BR0 [8]

VTT_OL

-HADSTB0

R6

G3

TESTHI8

5

6

TESTHI8

[8]

-HADSTB0

ADSTB0#

TESTHI08

G5

G4

TESTHI9

3

4

TESTHI10

HA[17..31]

PCREQ#

TESTHI09

[8]

HA[17..31]

H5

TESTHI10

1

2

HA17

AB6

TESTHI10

A17#

HA18

W6

J16

TP_CPU3

A18#

DP0#

HA19

Y6

H15

A19#

DP1#

TP_CPU4

HA20

Y4

H16

A20#

DP2#

TP_CPU5

HA21

AA4

J17

A21#

DP3#

TP_CPU6

C1277 220P/4/N/50V

HA22

AD6

A22#

GTLREF1

H2

GTLREF1

HA23

AA5

H1

GTLREF

C3

220P/4/N/50V

A23#

GTLREF0

HA24

AB5

A24#

HA25

AC5

G23

-CPURST

-CPURST

[8]

VTT_OR

R3

62/6

-IERR

A25#

RESET#

HA26

AB4

A26#

HA27

AF5

B3

-RS0

-RS0

[8]

A27#

RS0#

HA28

AF4

F5

-RS1

C4

R4

62/6

-BR0

A28#

RS1#

-RS1

[8]

VTT_OL

HA29

AG6

A3

-RS2

22P/4/N/50V

A29#

RS2#

-RS2

[8]

HA30

AG4

A30#

HA31

AG5

VTT_OL

R5

62/6

-CPURST

A31#

AH4

A32#

0321

AH5

A33#

AJ5

A34#

AJ6

A35#

AC4

RSVD

AE4

B

-HADSTB1

RSVD

B

[8]

-HADSTB1

AD5

ADSTB1#

CPU-SK/775/[10SC1-D03775-01_10SC1-D03775-02]

IO_SHIELD

LGA775-CR

IO_SHIELD/[12AIO-AE0006-01]

CPU_RETAINTION/[12KRC-040005-21]

LPT

USB_1394 USB_LAN

SUR

L-I

MS

C/L

L-O

COMA

VGA

KB

SUR-B

MIC

A

A

Title

Gigabyte Technology

P4_LGA775-A

Size

Document Number

8I945AE-AE

Rev

Custom

1.1

Date:

Friday, June 10, 2005

Sheet

4

of

34

5

4

3

2

1

5

4

3

2

1

D

[8]	HD[0..15]	HD[0..15]			HD0
					HD1
					HD2
					HD3
					HD4
					HD5
					HD6
					HD7
					HD8
					HD9
C					HD10
					HD11
					HD12
					HD13
					HD14
					HD15
			[8]	-DBI0	-DBI0
					STBN0
			[8]	STBN0
					STBP0
		HD[16..31]	[8]	STBP0
[8]	HD[16..31]
					HD16
					HD17
					HD18
					HD19
					HD20
					HD21
					HD22
					HD23
					HD24
					HD25
					HD26
					HD27
					HD28
					HD29
					HD30
					HD31
			[8]	-DBI1	-DBI1
					STBN1
			[8]	STBN1
					STBP1
			[8]	STBP1
B

A

		LGA775B
	B4	D00#	D32#	G16
	C5			E15
		D01#	D33#
	A4			E16
		D02#	D34#
	C6			G18
		D03#	D35#
	A5			G17
		D04#	D36#
	B6			F17
		D05#	D37#
	B7			F18
		D06#	D38#
	A7			E18
		D07#	D39#
	A10			E19
		D08#	D40#
	A11			F20
		D09#	D41#
	B10			E21
		D10#	D42#
	C11			F21
		D11#	D43#
	D8			G21
		D12#	D44#
	B12			E22
		D13#	D45#
	C12			D22
		D14#	D46#
	D11			G22
		D15#	D47#
	A8			D19
		DBI0#	DBI2#
	C8			G20
		DSTBN0#	DSTBN2#
	B9			G19
		DSTBP0	DSTBP2
	G9	D16#	D48#	D20
	F8			D17
		D17#	D49#
	F9			A14
		D18#	D50#
	E9			C15
		D19#	D51#
	D7			C14
		D20#	D52#
	E10			B15
		D21#	D53#
	D10			C18
		D22#	D54#
	F11			B16
		D23#	D55#
	F12			A17
		D24#	D56#
	D13			B18
		D25#	D57#
	E13			C21
		D26#	D58#
	G13			B21
		D27#	D59#
	F14			B19
		D28#	D60#
	G14			A19
		D29#	D61#
	F15			A22
		D30#	D62#
	G15			B22
		D31#	D63#
	G11			C20
		DBI1#	DBI3#
	G12			A16
		DSTBN1#	DSTBN3#
	E12			C17
		DSTBP1	DSTBP3

CPU-SK/775/[10SC1-D03775-01_10SC1-D03775-02]

HD32		HD[32..47]	[8]
HD33
HD34
HD35
HD36
HD37
HD38
HD39
HD40
HD41
HD42
HD43
HD44
HD45
HD46
HD47
-DBI2	-DBI2	[8]
STBN2
	STBN2	[8]
STBP2
	STBP2	[8]
HD48		HD[48..63]	[8]
HD49
HD50
HD51
HD52
HD53
HD54
HD55
HD56
HD57
HD58
HD59
HD60
HD61
HD62
HD63
-DBI3	-DBI3	[8]
STBN3
	STBN3	[8]
STBP3
	STBP3	[8]

		Gigabyte Technology
Title			P4_LGA775-C
Size		Document Number	8I945AE-AE			Rev
Custom						1.1
Date:		Friday, June 10, 2005		Sheet 5 of	34

D

C

B

A

5

4

3

2

1

	5		4				3			2
			Note:		VCC3					R6
										62/6/X
			VCCA & VCOREPLL				R10		VTT_GMCH	TESTHI0
										C7
			define doesn't same as				249/6/1
						3				0.1U/6/Y/25V
			old P4 design kit
							Q1			R1568
VTT_GMCH						D
							2N7002/S			110/6/1
L1	10UH/0806/S/[10LI2-12100A-02_10LI2-12100A-13]								VCC3
			VCCA		G		S
			[8]	GTL_DET	2	1	SOT23	TESTHI0		R1569
D	C8	BC9	R16							61.9/6/1
	1U/6/Y/10V	4.7U/8/Y/10V	0/SHT/X

VSSA

Trace width doesn't

support p4 extreme

less than 12 Mil

C9

BC10

1U/6/Y/10V

4.7U/8/Y/10V

VCOREPLL

LGA775C

L2

10UH/0806/S/[10LI2-12100A-02_10LI2-12100A-13]

As close as possible to

[19]

-SMI

-SMI

P2

SMI#

TESTHI00

F26

TESTHI0

-A20M

TESTHI1

CPU socket

[19]

-A20M

K3

A20M#

TESTHI01

W3

-FERR

R3

P1

TESTHI11

[19]

-FERR

FERR#/PBE#

TESTHI11

INTR

K1

W2

TESTHI12

[19]

INTR

LINT0

TESTHI12

NMI

L1

F25

[19]

NMI

LINT1

TESTHI02

-IGNNE

N2

G25

[19]

-IGNNE

IGNNE#

TESTHI03

-STPCLK

M3

G27

[19] -STPCLK

STPCLK#

TESTHI04

G26

-STPCLK

VCCA

TESTHI05

A23

G24

VCCA

TESTHII06

VSSA

B23

F24

TESTHI2_7

VSSA

TESTHI07

D23

AK6

-FORCEPR

-FORCEPR

[34]

RSVD

RSVD

C10

VCOREPLL

C23

G6

RSVD_G6

VCCIOPLL

RSVD

33P/4/N/50V

VID0

TESTHI13

VID[0..5]

AM2

VID0

SLP#

L2

[31] VID[0..5]

VID1

AL5

AH2

VID1

RSVD

VID2

AM3

N1

CPUPWROK

CPUPWROK

[19]

VID2

PWRGOOD

VID3

AL6

AL2

-PROCHOT

VID3

PROCHOT#

-PROCHOT [34]

VID4

AK4

M2

-THRMTRIP

VID4

THERMTRIP#

-THRMTRIP

[19]

VID5

AL4

C

VID5

COMP0

AM5

A13

VID6

COMP0

AM7

T1

COMP1

VID7

COMP1

R426

62/6

AN7

G2

COMP2

VID_SELECT

COMP2

[21]

CPUCLK

CPUCLK

F28

R1

COMP3

BCLK0

COMP3

-CPUCLK

G28

J2

COMP4

[21]

-CPUCLK

BCLK1

COMP4

AE8

T2

COMP5

[24]

-SKTOCC

SKTOCC#

COMP5

Y3

COMP6

COMP6

[24]

CPU_TEMP

AL1

AE3

COMP7

THERMDA

COMP7

AK1

C9

[24]

THERMDC

THERMDC

RSVD

G10

TP_CPU12

RSVD

AN3

D16

VCC_SENSE

RSVD

TP_CPU13

AN4

A20

VSS_SENSE

RSVD

VCC_SENSE

AN5

F23

RSVD

N/C

BC20

C12

VSS_SENSE

AN6

E23

TP_CPU9

RSVD

N/C

1N/4/X/50V

1N/4/X/50V

E7

TP_CPU8

N/C

F29

E24

TP_CPU7

MCH_GTLREF [8]

TP_CPU10

VTT_PKGSENSE

CS_GTLREF

F6

H29

IMPSEL

GTLREF_SEL

GTL_DET

[8]

J3

R427

62/6

MSID1

V1

N/C

MSID1

VCC_SENSE

R428

62/6

MSID0

W1

Y1

MSID0

BOOTSELECT

N5

V2

BC173

RSVD

LL_ID0

AE6

AA2

RSVD

LL_ID1

22U/12/X5/6.3V

VSS_SENSE

CPU-SK/775/[10SC1-D03775-01_10SC1-D03775-02]

LGA775D

VTT_GMCH

B

TCK

AE1

TCK

VTT

A29

TDI

AD1

B25

TDI

VTT

TDO

AF1

B29

TDO

VTT

TMS

AC1

B30

TMS

VTT

-TRST

AG1

C29

TRST#

VTT

A26

-BPM0

VTT

AJ2

B27

BPM0#

VTT

-BPM1

AJ1

C28

BPM1#

VTT

-BPM2

AD2

A25

BPM2#

VTT

-BPM3

AG2

A28

BPM3#

VTT

-BPM4

AF2

A27

BPM4#

VTT

-BPM5

AG3

C30

BPM5#

VTT

A30

-SYS_RST

VTT

[19,24,34]

-SYS_RST

AC2

C25

DBR#

VTT

C26

VTT

AK3

C27

ITPCLK0

VTT

AJ3

B26

ITPCLK1

VTT

D27

FSBSEL0

VTT

G29

D28

BSEL0

VTT

FSBSEL1

H30

D25

BSEL1

VTT

FSBSEL2

G30

D26

BSEL2

VTT

B28

VTT

D29

VTT

D30

VTT

VTT_PWRGD

AM6

VTT_PWRGD

[31,32]

VTTPWRGD

VTT_OUT

AA1

VTT_OR

VTT_OUT

J1

VTT_OL

F27 R38

1K/6/X

VTT_SEL

VCC3

A

CPU-SK/775/[10SC1-D03775-01_10SC1-D03775-02]

[21]

FSBSEL0

FSBSEL0

R39

8.2K/6

BSEL0

BSEL0

[11]

FSBSEL1

R40

8.2K/6

BSEL1

[21]

FSBSEL1

BSEL1

[11]

FSBSEL2

R41

8.2K/6

BSEL2

[21]

FSBSEL2

BSEL2

[11]

1

Place outside of CPU socket
VTT_OL	R7		60.4/6/1	COMP5
	R8		60.4/6/1	COMP4
	R9		60.4/6/1	COMP2
	R11		60.4/6/1	COMP3
	R13		60.4/6/1	COMP0
C5	R14		60.4/6/1	COMP1
0.1U/6/Y/25V
VTT_OR	R1547		60.4/6/1	COMP6	D
	R1548		60.4/6/1	COMP7
C1278
0.1U/6/Y/25V
VTT_OR	R17		130/6	-PROCHOT
	RN2		470/8P4R
				FSBSEL0
VTT_GMCH	7		8
	5		6	FSBSEL2
	3		4	FSBSEL1
	1		2
	R18		62/6	TESTHI2_7
	R19		62/6	-THRMTRIP
	R20		62/6	-FERR
	Locate at ICH7 Side
VTT_OL	R21		62/6/X	RSVD_G6
	R22		100/6/1	CPUPWROK
			C11
			1N/4/X/50V		C
VTT_OR	R27		680/6	VTT_PWRGD
	RN3		62/8P4R	TESTHI12
VTT_OL		7	8
		5	6	TESTHI11
		3	4	TESTHI1
		1	2	TESTHI13
	RN4		680/8P4R
VTT_OR		7	8	VID5
		5	6	VID4
		3	4	VID2
	R29	1	2	VID0
			680/6	VID1
	R30		680/6	VID3
C13
0.1U/6/Y/25V	R32		62/6	-FORCEPR
	RN5		51/8P4R
		7	8	-BPM1
		5	6	-BPM0	B
		3	4	-BPM5
	RN61		2	-BPM4
		7	8	-BPM2
		5	6	-BPM3
		3	4	TDI
C14		1	2	TMS
0.1U/6/Y/25V			680/8P4R
	R35		51/6	TDO
	R36		51/6	-TRST
	R37		51/6	TCK

A

			Gigabyte Technology
Title			P4_LGA775-B
Size		Document Number	8I945AE-AE			Rev
Custom						1.1
Date:		Friday, June 10, 2005		Sheet 6 of	34

5

4

3

2

1

5

4

3

2

1

D

	VCORE	AA8
		AB8
		AC23
		AC24
		AC25
		AC26
		AC27
		AC28
		AC29
		AC30
		AC8
		AD23
		AD24
		AD25
		AD26
		AD27
		AD28
		AD29
		AD30
		AD8
		AE11
C		AE12
		AE14
		AE15
		AE18
		AE19
		AE21
		AE22
		AE23
		AE9
		AF11
		AF12
		AF14
		AF15
		AF18
		AF19
		AF21
		AF22
		AF8
		AF9
		AG11
		AG12
		AG14
		AG15
		AG18
		AG19
		AG21
		AG22
		AG25
		AG26
		AG27
		AG28
B		AG29
		AG30
		AG8
		AG9

A

LGA775E

					VCORE	AM11
	VCC	VCC	AH11	VCORE		AM12
			AH12			AM14
	VCC	VCC
			AH14			AM15
	VCC	VCC
			AH15			AM18
	VCC	VCC
			AH18			AM19
	VCC	VCC
			AH19			AM21
	VCC	VCC
			AH21			AM22
	VCC	VCC
			AH22			AM25
	VCC	VCC
			AH25			AM26
	VCC	VCC
			AH26			AM29
	VCC	VCC
			AH27			AM30
	VCC	VCC
			AH28			AM8
	VCC	VCC
			AH29			AM9
	VCC	VCC
			AH30			AN11
	VCC	VCC
			AH8			AN12
	VCC	VCC
			AH9			AN14
	VCC	VCC
			AJ11			AN15
	VCC	VCC
			AJ12			AN18
	VCC	VCC
			AJ14			AN19
	VCC	VCC
			AJ15			AN21
	VCC	VCC
			AJ18			AN22
	VCC	VCC
			AJ19			AN25
	VCC	VCC
			AJ21			AN26
	VCC	VCC
			AJ22			AN29
	VCC	VCC
			AJ25			AN30
	VCC	VCC
			AJ26			AN8
	VCC	VCC
			AJ8			AN9
	VCC	VCC
			AJ9			J10
	VCC	VCC
			AK11			J11
	VCC	VCC
			AK12			J12
	VCC	VCC
			AK14			J13
	VCC	VCC
			AK15			J14
	VCC	VCC
			AK18			J15
	VCC	VCC
			AK19			J18
	VCC	VCC
			AK21			J19
	VCC	VCC
			AK22			J20
	VCC	VCC
			AK25			J21
	VCC	VCC
			AK26			J22
	VCC	VCC
			AK8			J23
	VCC	VCC
			AK9			J24
	VCC	VCC
			AL11			J25
	VCC	VCC
			AL12			J26
	VCC	VCC
			AL14			J27
	VCC	VCC
			AL15			J28
	VCC	VCC
			AL18			J29
	VCC	VCC
			AL19			J30
	VCC	VCC
			AL21			J8
	VCC	VCC
			AL22			J9
	VCC	VCC
			AL25			K23
	VCC	VCC
			AL26			K24
	VCC	VCC
			AL29			K25
	VCC	VCC
			AL30			K26
	VCC	VCC
			AL8			K27
	VCC	VCC
			AL9			K28
	VCC	VCC
						K29
	VCC
						K30
	VCC
						K8
						L8
	CPU-SK/775/[10SC1-D03775-01_10SC1-D03775-02]					M23
						M24
						M25
						M26
						M27
						M28
						M29
						M30
						M8

LGA775F

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC

	N23	VCORE
	N24
	N25
	N26
	N27
	N28
	N29
	N30
	N8
	P8
	R8
	T23
	T24
	T25
	T26
	T27
	T28
	T29
	T30
	T8
	U23
	U24
	U25
	U26
	U27
	U28
	U29
	U30
	U8
	V8
	W23
	W24
	W25
	W26
	W27
	W28
	W29
	W30
	W8
	Y23
	Y24
	Y25
	Y26
	Y27
	Y28
	Y29
	Y30
	Y8

CPU-SK/775/[10SC1-D03775-01_10SC1-D03775-02]

A12

A15

A18

A2

A21

A24

A6

A9

AA23

AA24

AA25

AA26

AA27

AA28

AA29

AA3

AA30

AA6

AA7

AB1

AB23

AB24

AB25

AB26

AB27

AB28

AB29

AB30

AB7

AC3

AC6

AC7

AD4

AD7

AE10

AE13

AE16

AE17

AE2

AE20

AE24

AE25

AE26

AE27

AE28

AE29

AE30

AE5

AE7

AF10

AF13

AF16

AF17

AF20

AF23

AF24

AF25

AF26

AF27

AF28

AF29

AF3

AF30

AF6

AF7

					LGA775H
	LGA775G			AN1	VSS	VSS	H25
				AN10			H26
					VSS	VSS
			AG10	AN13			H27
	VSS	VSS			VSS	VSS
			AG13	AN16			H28
	VSS	VSS			VSS	VSS
			AG16	AN17
	VSS	VSS			VSS
			AG17	AN2			H3
	VSS	VSS			VSS	VSS
			AG20	AN20			H6
	VSS	VSS			VSS	VSS
			AG23	AN23			H7
	VSS	VSS			VSS	VSS
			AG24	AN24			H8
	VSS	VSS			VSS	VSS
			AG7	AN27			H9
	VSS	VSS			VSS	VSS
			AH1	AN28			J4
	VSS	VSS			VSS	VSS
			AH10				J7
	VSS	VSS				VSS
			AH13	B1			K2
	VSS	VSS			VSS	VSS
			AH16	B11			K5
	VSS	VSS			VSS	VSS
			AH17	B14			K7
	VSS	VSS			VSS	VSS
			AH20	B17			L23
	VSS	VSS			VSS	VSS
			AH23	B20			L24
	VSS	VSS			VSS	VSS
			AH24	B24			L25
	VSS	VSS			VSS	VSS
			AH3	B5			L26
	VSS	VSS			VSS	VSS
			AH6	B8			L27
	VSS	VSS			VSS	VSS
			AH7	C10			L28
	VSS	VSS			VSS	VSS
			AJ10	C13			L29
	VSS	VSS			VSS	VSS
			AJ13	C16			L3
	VSS	VSS			VSS	VSS
			AJ16	C19			L30
	VSS	VSS			VSS	VSS
			AJ17	C22			L6
	VSS	VSS			VSS	VSS
			AJ20	C24			L7
	VSS	VSS			VSS	VSS
			AJ23	C4			M1
	VSS	VSS			VSS	VSS
			AJ24	C7			M7
	VSS	VSS			VSS	VSS
			AJ27	D12			N3
	VSS	VSS			VSS	VSS
			AJ28	D15			N6
	VSS	VSS			VSS	VSS
			AJ29	D18			N7
	VSS	VSS			VSS	VSS
			AJ30	D21			P23
	VSS	VSS			VSS	VSS
			AJ4	D24			P24
	VSS	VSS			VSS	VSS
			AJ7	D3			P25
	VSS	VSS			VSS	VSS
			AK10	D5			P26
	VSS	VSS			VSS	VSS
			AK13	D6			P27
	VSS	VSS			VSS	VSS
			AK16	D9			P28
	VSS	VSS			VSS	VSS
			AK17	E11			P29
	VSS	VSS			VSS	VSS
			AK2	E14			P30
	VSS	VSS			VSS	VSS
			AK20	E17			P4
	VSS	VSS			VSS	VSS
			AK23	E2			P7
	VSS	VSS			VSS	VSS
			AK24	E20			R2
	VSS	VSS			VSS	VSS
			AK27	E25			R23
	VSS	VSS			VSS	VSS
			AK28	E26			R24
	VSS	VSS			VSS	VSS
			AK29	E27			R25
	VSS	VSS			VSS	VSS
			AK30	E28			R26
	VSS	VSS			VSS	VSS
			AK5	E29			R27
	VSS	VSS			VSS	VSS
			AK7	E8			R28
	VSS	VSS			VSS	VSS
			AL10	F10			R29
	VSS	VSS			VSS	VSS
			AL13	F13			R30
	VSS	VSS			VSS	VSS
			AL16	F16			R5
	VSS	VSS			VSS	VSS
			AL17	F19			R7
	VSS	VSS			VSS	VSS
			AL20	F22			T3
	VSS	VSS			VSS	VSS
			AL23	F4			T6
	VSS	VSS			VSS	VSS
			AL24	F7			T7
	VSS	VSS			VSS	VSS
			AL27	G1			U1
	VSS	VSS			VSS	VSS
			AL28	H10			U7
	VSS	VSS			VSS	VSS
			AL3	H11			V23
	VSS	VSS			VSS	VSS
			AL7	H12			V24
	VSS	VSS			VSS	VSS
			AM1	H13			V25
	VSS	VSS			VSS	VSS
			AM10	H14			V26
	VSS	VSS			VSS	VSS
			AM13	H17			V27
	VSS	VSS			VSS	VSS
			AM16	H18			V28
	VSS	VSS			VSS	VSS
			AM17	H19			V29
	VSS	VSS			VSS	VSS
			AM20	H20			V3
	VSS	VSS			VSS	VSS
			AM23	H21			V30
	VSS	VSS			VSS	VSS
			AM24	H22			V6
	VSS	VSS			VSS	VSS
			AM27	H23			V7
		VSS			VSS	VSS
			AM28	H24			W4
		VSS			VSS	VSS
			AM4				W7
		VSS				VSS
							Y2
						VSS
							Y5
						VSS
							Y7
						VSS
	CPU-SK/775/[10SC1-D03775-01_10SC1-D03775-02]			CPU-SK/775/[10SC1-D03775-01_10SC1-D03775-02]

			Gigabyte Technology
Title			P4_LGA775-D
Size		Document Number	8I945AE-AE			Rev
Custom						1.1
Date:		Friday, June 10, 2005		Sheet 7 of	34

D

C

B

A

5

4

3

2

1

5

4

3

2

1

U2A

[4] HA[3..31]

HA[3..31]

HA3

HD0

HD[0..63]

HD[0..63] [5]

J39

HA3*

HD0*

P41

HA4

K38

M39

HD1

HA4*

HD1*

D

HA5

J42

P42

HD2

HA5*

HD2*

HA6

K35

M42

HD3

HA6*

HD3*

HA7

J37

N41

HD4

HA7*

HD4*

HA8

M34

M40

HD5

HA8*

HD5*

HA9

N35

L40

HD6

HA9*

HD6*

HA10

R33

M41

HD7

HA10*

HD7*

HA11

N32

K42

HD8

HA11*

HD8*

HA12

N34

G39

HD9

HA12*

HD9*

HA13

M38

J41

HD10

HA13*

HD10*

HA14

N42

G42

HD11

HA14*

HD11*

HA15

N37

G40

HD12

HA15*

HD12*

HA16

N38

G41

HD13

HA16*

HD13*

HA17

R32

F40

HD14

HA17*

HD14*

HA18

R36

F43

HD15

HA18*

HD15*

HA19

U37

F37

HD16

HA19*

HD16*

HA20

R35

E37

HD17

HA20*

HD17*

HA21

R38

J35

HD18

HA21*

HD18*

HA22

V33

D39

HD19

HA22*

HD19*

HA23

U34

C41

HD20

HA23*

HD20*

HA24

U32

B39

HD21

HA24*

HD21*

HA25

V42

B40

HD22

HA25*

HD22*

HA26

U35

H34

HD23

HA26*

HD23*

HA27

Y36

C37

HD24

HA27*

HD24*

HA28

Y38

J32

HD25

HA28*

HD25*

HA29

AA37

B35

HD26

HA29*

HD26*

HA30

V32

J34

HD27

HA30*

HD27*

HA31

Y34

B34

HD28

HA31*

HD28*

AA35

F32

HD29

RSVD

HD29*

AA42

L32

HD30

RSVD

HD30*

AA38

J31

HD31

RSVD

HD31*

AA34

H31

HD32

RSVD

HD32*

C

M33

HD33

HD33*

[4]

-HREQ0

-HREQ0

E41

K31

HD34

HREQ0*

HD34*

-HREQ1

D41

M27

HD35

[4]

-HREQ1

HREQ1*

HD35*

-HREQ2

K36

K29

HD36

[4]

-HREQ2

HREQ2*

HD36*

-HREQ3

G37

F31

HD37

[4]

-HREQ3

HREQ3*

HD37*

-HREQ4

E42

H29

HD38

[4]

-HREQ4

HREQ4*

HD38*

-HADSTB0

M36

F29

HD39

[4]

-HADSTB0

HADSTB0*

HD39*

-HADSTB1

V35

L27

HD40

[4]

-HADSTB1

HADSTB1*

HD40*

M24

HD41

HD41*

[21]

MCHCLK

MCHCLK

M31

J26

HD42

HCLKP

HD42*

-MCHCLK

M29

K26

HD43

[21]

-MCHCLK

HCLKN

HD43*

G26

HD44

HD44*

HRCOMP

A28

H24

HD45

HRCOMP

HD45*

HSWNG

B27

K24

HD46

HSWING

HD46*

F24

HD47

HD47*

[5]

STBP0

STBP0

K41

E31

HD48

HDSTBP0*

HD48*

STBN0

L43

A33

HD49

[5]

STBN0

HDSTBN0*

HD49*

-DBI0

K40

E40

HD50

[5]

-DBI0

HDINV0*

HD50*

STBP1

F35

D37

HD51

[5]

STBP1

HDSTBP1*

HD51*

STBN1

G34

C39

HD52

[5]

STBN1

HDSTBN1*

HD52*

-DBI1

A38

D38

HD53

[5]

-DBI1

HDINV1*

HD53*

STBP2

J27

D33

HD54

[5]

STBP2

HDSTBP2*

HD54*

STBN2

M26

C35

HD55

[5]

STBN2

HDSTBN2*

HD55*

-DBI2

E29

D34

HD56

[5]

-DBI2

HDINV2*

HD56*

STBP3

E34

C34

HD57

[5]

STBP3

HDSTBP3*

HD57*

STBN3

B37

B31

HD58

[5]

STBN3

HDSTBN3*

HD58*

-DBI3

B32

C31

HD59

[5]

-DBI3

HDINV3*

HD59*

C32

HD60

HD60*

[4]

-HADS

-HADS

W42

D32

HD61

HADS*

HD61*

-HTRDY

W40

B30

HD62

[4]

-HTRDY

HTRDY*

HD62*

-DRDY

V41

D30

HD63

B

[4]

-DRDY

HDRDY*

HD63*

-DEFER

P40

[4]

-DEFER

HDEFER*

-HITM

W41

[4]

-HITM

HHITM*

-HIT

U41

D27

MCH_GTLREF

[4] -HIT

HHIT*

HDVREF

MCH_GTLREF [6]

-HLOCK

U40

D28

[4]

-HLOCK

HLOCK*

HACCVREF

-BR0

AA41

[4]

-BR0

HBREQ0*

-BNR

U39

C27

HSCOMP

[4]

-BNR

HBNR*

HSCOMP

-BPRI

D42

[4]

-BPRI

HBPRI*

-DBSY

U42

[4] -DBSY

HDBSY*

-RS0

T40

[4]

-RS0

HRS0*

-RS1

Y43

F38

[4]

-RS1

HRS1*

HPCREQ

-RS2

T43

Y40

[4]

-RS2

HRS2

HEDRDY*

-CPURST

C30

[4]

-CPURST

HCPURST*

R27

CPU INTERFACE

U27

RSVD

RSVD

M15

RSVD

L15

RSVD

945G/A2/ACER/[10HB1-033000-23R]

A

VCORE

COUPON1

COUPON1

1

2

COUPON

COUPON2

COUPON2

1

2

COUPON

VTT_GMCH
R42		R418	MCH_GTLREF
124/6/1		10/6
BC21	R43		BC22	C17
0.01U/4/X/16V	210/6/1		0.1U/6/Y/25V	220P/4/N/50V
	VCORE
		R44
+12V		619/6/1
		3
	R45	D	Q2
	8.2K/6	S	2N7002/S
	G		SOT23MCH_GTLREF
[6] GTL_DET	2	1

VTT_GMCH

R46

301/6/1

R1544

62/6

HSWNG

R47

84.5/6/1 C18 0.01U/6/X/50V

VTT_GMCH

R48	HRCOMP
60.4/6/1
HSCOMP	R49
	16.9/6/1

C19

22P/4/N/50V/X

		Gigabyte Technology
Title			GMCH-HOST
Size		Document Number	8I945AE-AE			Rev
Custom						1.1
Date:		Friday, June 10, 2005		Sheet 8 of	34

D

C

B

A

5

4

3

2

1

5

4

3

2

1

MODT_A[0..3]

MODT_B[0..3]

MODT_B[0..3]

[15,16]

MODT_A[0..3]

[14,16]

U2G

DDR18V

U2F

MAAB0

BB22

SBMA0

SBDQS0

AM8

DQSB0

MAAB1

BB21

AM6

-DQSB0

R50

SBMA1

SBDQS0*

MAAA0

BA32

AU4

DQSA0

MAAB2

BA21

AL11

DMB0

1K/6/1

SAMA0

SADQS0

SBMA2

SBDM0

MAAA1

AW32

AR2

-DQSA0

MAAB3

AY21

AL6

MDB0

SAMA1

SADQS0*

SBMA3

SBDQ0

MAAA2

BB30

AR3

DMA0

MAAB4

BC20

AL8

MDB1

DDRVREFA

SAMA2

SADM0

SBMA4

SBDQ1

MAAA3

BA30

AP3

MDA0

MAAB5

AY19

AP8

MDB2

SAMA3

SADQ0

SBMA5

SBDQ2

MAAA4

AY30

AP2

MDA1

MAAB6

AY20

AP9

MDB3

SAMA4

SADQ1

SBMA6

SBDQ3

MAAA5

BA27

AU3

MDA2

MAAB7

BA18

AJ11

MDB4

R51

SAMA5

SADQ2

SBMA7

SBDQ4

D

MAAA6

BC28

AV4

MDA3

MAAB8

BA19

AL9

MDB5

1K/6/1

D

SAMA6

SADQ3

SBMA8

SBDQ5

MAAA7

AY27

AN1

MDA4

MAAB9

BB18

AM10

MDB6

SAMA7

SADQ4

SBMA9

SBDQ6

MAAA8

AY28

AP4

MDA5

MAAB10

BA22

AP6

MDB7

BC23

BC24

SAMA8

SADQ5

SBMA10

SBDQ7

MAAA9

BB27

AU5

MDA6

MAAB11

BB17

1U/6/Y/10V 0.1U/6/Y/25V

SAMA9

SADQ6

SBMA11

MAAA10

AY33

AU2

MDA7

MAAB12

BA17

AV7

DQSB1

SAMA10

SADQ7

SBMA12

SBDQS1

MAAA11

AW27

MAAB13

AW42

AR9

-DQSB1

R52

SAMA11

SBMA13

SBDQS1*

MAAA12

BB26

AW7

DMB1

0/SHT/X

SAMA12

SBDM1

MAAA13

BC38

BA3

DQSA1

[15,16]

-SWEB

-SWEB

BB23

AU7

MDB8

DDR18V

SAMA13

SADQS1

SBWE*

SBDQ8

BB4

-DQSA1

-SCASB

AY24

AV6

MDB9

SADQS1*

[15,16]

-SCASB

SBCAS*

SBDQ9

-SWEA

BB35

AY2

DMA1

-SRASB

BA23

AV12

MDB10

[14,16]

-SWEA

SAWE*

SADM1

[15,16]

-SRASB

SBRAS*

SBDQ10

-SCASA

BA37

AW3

MDA8

AM11

MDB11

R53

[14,16]

-SCASA

SACAS*

SADQ8

SBDQ11

-SRASA

BA34

AY3

MDA9

AR5

MDB12

1K/6/1

[14,16]

-SRASA

SARAS*

SADQ9

SBDQ12

BA7

MDA10

[15,16]

SBAB0

SBAB0

AW23

AR7

MDB13

SADQ10

SBBA0

SBDQ13

SBAA0

BC33

BB7

MDA11

SBAB1

AY23

AR12

MDB14

DDRVREFB

[14,16]

SBAA0

SABA_0

SADQ11

[15,16]

SBAB1

SBBA1

SBDQ14

SBAA1

AY34

AV1

MDA12

SBAB2

AY17

AR10

MDB15

[14,16]

SBAA1

SABA_1

SADQ12

[15,16]

SBAB2

SBBA2

SBDQ15

SBAA2

BA26

AW4

MDA13

-CSB0

BA40

[14,16]

SBAA2

SABA_2

SADQ13

[15,16]

-CSB0

SBCS0*

-CSA0

BB37

BC6

MDA14

-CSB1

AW41

AV13

DQSB2

R54

[14,16]

-CSA0

SACS_0*

SADQ14

[15,16]

-CSB1

SBCS1*

SBDQS2

-CSA1

BA39

AY7

MDA15

-CSB2

BA41

AT13

-DQSB2

1K/6/1

[14,16]

-CSA1

SACS_1*

SADQ15

[15,16]

-CSB2

SBCS2*

SBDQS2*

-CSA2

BA35

-CSB3

AW40

AP13

DMB2

[14,16]

-CSA2

SACS_2*

[15,16]

-CSB3

SBCS3*

SBDM2

-CSA3

AY38

AY11

DQSA2

AM15

MDB16

BC25

BC26

[14,16]

-CSA3

SACS_3*

SADQS2

SBDQ16

BA10

-DQSA2

AM13

MDB17

1U/6/Y/10V

0.1U/6/Y/25V

SADQS2*

SBDQ17

[14,16]

CKEA0

CKEA0

BB25

BB10

DMA2

[15,16]

CKEB0

CKEB0

BA14

AV15

MDB18

SACKE0

SADM2

SBCKE0

SBDQ18

CKEA1

AY25

AW12

MDA16

CKEB1

AY16

AM17

MDB19

[14,16]

CKEA1

SACKE1

SADQ16

[15,16]

CKEB1

SBCKE1

SBDQ19

CKEA2

BC24

AY10

MDA17

CKEB2

BA13

AN12

MDB20

[14,16]

CKEA2

SACKE2

SADQ17

[15,16]

CKEB2

SBCKE2

SBDQ20

CKEA3

BA25

BA12

MDA18

CKEB3

BB13

AR13

MDB21

[14,16]

CKEA3

SACKE3

SADQ18

[15,16]

CKEB3

SBCKE3

SBDQ21

BB12

MDA19

AP15

MDB22

SADQ19

SBDQ22

MODT_A0 AW37

BA9

MDA20

AT15

MDB23

SAODT0

SADQ20

SBDQ23

MODT_A1

AY39

BB9

MDA21

SAODT1

SADQ21

MODT_A2

AY37

BC11

MDA22

MODT_B0

AY42

AU23

DQSB3

SAODT2

SADQ22

SBODT0

SBDQS3

MODT_A3

BB40

AY12

MDA23

MODT_B1

AV40

AR23

-DQSB3

SAODT3

SADQ23

SBODT1

SBDQS3*

MODT_B2

AV43

AP23

DMB3

DDR18V

SBODT2

SBDM3

C

[14]

DCLKA0

DCLKA0

BB32

AU18

DQSA3

MODT_B3

AU40

AM24

MDB24

C

SACK0

SADQS3

SBODT3

SBDQ24

-DCLKA0

AY32

AR18

-DQSA3

AM23

MDB25

R55

80.6/6/1

SMRCOMPN

[14]

-DCLKA0

SACK0*

SADQS3*

SBDQ25

DCLKA1

AY5

AP18

DMA3

AV24

MDB26

[14]

DCLKA1

SACK1

SADM3

SBDQ26

-DCLKA1

BB5

AM20

MDA24

AM26

MDB27

BC27

[14]

-DCLKA1

SACK1*

SADQ24

SBDQ27

DCLKA2

AK42

AM18

MDA25

AP21

MDB28

0.1U/6/Y/25V

[14]

DCLKA2

SACK2

SADQ25

SBDQ28

-DCLKA2

AK41

AV20

MDA26

DCLKB0

AM29

AR21

MDB29

[14]

-DCLKA2

SACK2*

SADQ26

[15]

DCLKB0

SBCK0

SBDQ29

DCLKA3

BA31

AM21

MDA27

-DCLKB0

AM27

AP24

MDB30

[14]

DCLKA3

SACK3

SADQ27

[15]

-DCLKB0

SBCK0*

SBDQ30

-DCLKA3

BB31

AP17

MDA28

DCLKB1

AV9

AT24

MDB31

[14]

-DCLKA3

SACK3*

SADQ28

[15]

DCLKB1

SBCK1

SBDQ31

DCLKA4

AY6

AR17

MDA29

-DCLKB1

AW9

[14]

DCLKA4

SACK4

SADQ29

[15]

-DCLKB1

SBCK1*

-DCLKA4

BA5

AP20

MDA30

DCLKB2

AL38

AT29

DQSB4

[14]

-DCLKA4

SACK4*

SADQ30

[15]

DCLKB2

SBCK2

SBDQS4

DCLKA5

AH40

AT20

MDA31

-DCLKB2

AL36

AV29

-DQSB4

[14]

DCLKA5

SACK5

SADQ31

[15]

-DCLKB2

SBCK2*

SBDQS4*

-DCLKA5

AH43

DCLKB3

AP26

AR29

DMB4

[14]

-DCLKA5

SACK5*

[15]

DCLKB3

SBCK3

SBDM4

-DCLKB3

AR26

AU27

MDB32

[15]

-DCLKB3

BLCK3*

SBDQ32

AU35

DQSA4

DCLKB4

AU10

AN29

MDB33

R56

80.6/6/1

SMRCOMPP

SADQS4

[15]

DCLKB4

SBCK4

SBDQ33

AV35

-DQSA4

-DCLKB4

AT10

AR31

MDB34

SADQS4*

[15]

-DCLKB4

SBCK4*

SBDQ34

AT34

DMA4

DCLKB5

AJ38

AM31

MDB35

SADM4

[15]

DCLKB5

SBCK5

SBDQ35

AP32

MDA32

-DCLKB5

AJ36

AP27

MDB36

SADQ32

[15]

-DCLKB5

SBCK5*

SBDQ36

TP1

AK18

AV34

MDA33

AR27

MDB37

RSV_TP(3)

SADQ33

SBDQ37

AV38

MDA34

AP31

MDB38

SADQ34

SBDQ38

AU39

MDA35

AU31

MDB39

SADQ35

SBDQ39

AV32

MDA36

SADQ36

AT32

MDA37

AP36

DQSB5

SADQ37

SBDQS5

AR34

MDA38

AM35

-DQSB5

SADQ38

SBDQS5*

-DQSB[0..7]

AU37

MDA39

AR38

DMB5

[15]

-DQSB[0..7]

SADQ39

SBDM5

AP35

MDB40

SBDQ40

DDRVREFA

AM4

AP42

DQSA5

AP37

MDB41

SMVREF0

SADQS5

SBDQ41

AP40

-DQSA5

TP2

AL39

AN32

MDB42

SADQS5*

RSV

SBDQ42

AP39

DMA5

AL35

MDB43

SADM5

SBDQ43

MAAB[0..13]

C20

AR41

MDA40

AR35

MDB44

[15,16]

MAAB[0..13]

SADQ40

SBDQ44

0.1U/6/Y/25V/X

TP3

AL17

AR42

MDA41

AU38

MDB45

RSV_TP(1)

SADQ41

SBDQ45

AK17

AN43

MDA42

AM38

MDB46

B

TP4

RSV_TP(0)

SADQ42

SBDQ46

B

AM40

MDA43

AM34

MDB47

SADQ43

SBDQ47

DMB[0..7]

AU41

MDA44

[15]

DMB[0..7]

SADQ44

AU42

MDA45

AG34

DQSB6

SADQ45

SBDQS6

AP41

MDA46

DDRVREFB

AM2

AG32

-DQSB6

SADQ46

SMVREF1

SBDQS6*

AN40

MDA47

AJ39

DMB6

SADQ47

C1284

SBDM6

MDB[0..63]

AL34

MDB48

[15]

MDB[0..63]

AG42

DQSA6

0.1U/6/Y/25V/X

SBDQ48

AJ34

MDB49

SADQS6

SBDQ49

AG41

-DQSA6

AF32

MDB50

SADQS6*

SBDQ50

AG40

DMA6

AF34

MDB51

SADM6

SBDQ51

DQSB[0..7]

AL41

MDA48

AL31

MDB52

[15]

DQSB[0..7]

SADQ48

SBDQ52

AL42

MDA49

AJ32

MDB53

SADQ49

SBDQ53

AF39

MDA50

TP6

AK23

AG35

MDB54

SADQ50

RSV_TP(2)

SBDQ54

AE40

MDA51

AD32

MDB55

SADQ51

SBDQ55

AM41

MDA52

SADQ52

MAAA[0..13]

AM42

MDA53

AD36

DQSB7

[14,16]

MAAA[0..13]

SADQ53

SBDQS7

AF41

MDA54

AD38

-DQSB7

SADQ54

SBDQS7*

AF42

MDA55

AD39

DMB7

SADQ55

SBDM7

AC32

MDB56

SBDQ56

AC42

DQSA7

AM3

AD34

MDB57

SADQS7

SM_OCDCOMP_1

SBDQ57

DMA[0..7]

AC41

-DQSA7

AJ8

Y32

MDB58

[14]

DMA[0..7]

SADQS7*

SM_OCDCOMP_0

SBDQ58

AC40

DMA7

SMRCOMPP

AJ6

AA32

MDB59

NB_HEATSIN

SADM7

SM_RCOMP1

SBDQ59

AD40

MDA56

SMRCOMPN

AL5

AF35

MDB60

SADQ56

SM_RCOMP0

SBDQ60

1

SADQ57

AD43

MDA57

SBDQ61

AF37

MDB61

MDA[0..63]

AA39

MDA58

AC33

MDB62

[14]

MDA[0..63]

SADQ58

SBDQ62

AA40

MDA59

AC35

MDB63

SADQ59

SBDQ63

AE42

MDA60

SADQ60

AE41

MDA61

SADQ61

DQSA[0..7]

AB41

MDA62

945G/A2/ACER/[10HB1-033000-23R]

[14]

DQSA[0..7]

SADQ62

AB42

MDA63

SADQ63

A

945G/A2/ACER/[10HB1-033000-23R]

[14]

-DQSA[0..7]

-DQSA[0..7]

A

Title

Gigabyte Technology

GMCH-DDRII

NB_HS/[12SP2-04F003-61]

Size

Document Number

8I945AE-AE

Rev

2

Custom

1.1

Date:

Friday, June 10, 2005

Sheet

9

of

34

5

4

3

2

1

D

C

B

A

5

4

3

2

1

D

U2B

EXP_A_RXP0

EXP_A_TXP0

G12

EXPARXP0

EXPATXP0

D14

EXP_A_RXN0

F12

C13

EXP_A_TXN0

EXPARXN0

EXPATXN0

EXP_A_RXP1

D11

A13

EXP_A_TXP1

EXPARXP1

EXPATXP1

EXP_A_RXN1

D12

B12

EXP_A_TXN1

EXPARXN1

EXPATXN1

EXP_A_RXP2

J13

A11

EXP_A_TXP2

EXPARXP2

EXPATXP2

EXP_A_RXN2

H13

B10

EXP_A_TXN2

EXPARXN2

EXPATXN2

EXP_A_RXP3

E10

C10

EXP_A_TXP3

EXPARXP3

EXPATXP3

EXP_A_TXP[0..15]

EXP_A_RXN3

F10

C9

EXP_A_TXN3

EXP_A_TXP[0..15] [17]

EXPARXN3

EXPATXN3

EXP_A_RXP4

J9

A9

EXP_A_TXP4

EXPARXP4

EXPATXP4

EXP_A_TXN[0..15]

EXP_A_RXN4

H10

B7

EXP_A_TXN4

EXP_A_TXN[0..15] [17]

EXPARXN4

EXPATXN4

EXP_A_RXP5

F7

D7

EXP_A_TXP5

EXPARXP5

EXPATXP5

EXP_A_RXN5

F9

D6

EXP_A_TXN5

EXPARXN5

EXPATXN5

EXP_A_RXP[0..15]

EXP_A_RXP6

C4

A6

EXP_A_TXP6

EXP_A_RXP[0..15]

[17]

EXPARXP6

EXPATXP6

EXP_A_RXN6

D3

B5

EXP_A_TXN6

EXPARXN6

EXPATXN6

EXP_A_RXN[0..15]

EXP_A_RXP7

G6

E2

EXP_A_TXP7

EXP_A_RXN[0..15]

[17]

EXPARXP7

EXPATXP7

EXP_A_RXN7

J6

F1

EXP_A_TXN7

EXPARXN7

EXPATXN7

EXP_A_RXP8

K9

G2

EXP_A_TXP8

EXPARXP8

EXPATXP8

EXP_A_RXN8

K8

J1

EXP_A_TXN8

EXPARXN8

EXPATXN8

EXP_A_RXP9

F4

J3

EXP_A_TXP9

EXPARXP9

EXPATXP9

C

EXP_A_RXN9

G4

K4

EXP_A_TXN9

EXPARXN9

EXPATXN9

EXP_A_RXP10

M6

L4

EXP_A_TXP10

EXPARXP10

EXPATXP10

EXP_A_RXN10

M7

M4

EXP_A_TXN10

EXPARXN10

EXPATXN10

EXP_A_RXP11

K2

M2

EXP_A_TXP11

R1549

EXPARXP11

EXPATXP11

EXP_A_RXN11

L1

N1

EXP_A_TXN11

VCC1_5

VCC1_5PCIEX

VCC1_5PCIEX [13]

EXPARXN11

EXPATXN11

EXP_A_RXP12

U11

EXPARXP12

EXPATXP12

P2

EXP_A_TXP12

EXP_A_RXN12

U10

EXPARXN12

EXPATXN12

T1

EXP_A_TXN12

0/1210

BC28

EXP_A_RXP13

R8

T4

EXP_A_TXP13

10U/12/X/6.3V

EXPARXP13

EXPATXP13

EXP_A_RXN13

R7

EXPARXN13

EXPATXN13

U4

EXP_A_TXN13

EXP_A_RXP14

P4

U2

EXP_A_TXP14

EXPARXP14

EXPATXP14

EXP_A_RXN14

N3

V1

EXP_A_TXN14

EXPARXN14

EXPATXN14

EXP_A_RXP15

Y10

V3

EXP_A_TXP15

EXPARXP15

EXPATXP15

EXP_A_RXN15

Y11

W4

EXP_A_TXN15

EXPARXN15

EXPATXN15

W2

DMI_0TXP

DMI_0TXP [18]

DMITXP0

GRCOMP

AC12

Y1

DMI_0TXN

EXPCOMPO

DMITXN0

DMI_0TXN [18]

AC11

EXPCOMPI

DMITXP1

AA2

DMI_1TXP

DMI_1TXP [18]

VCC1_5PCIEX

DMITXN1

AB1

DMI_1TXN

DMI_1TXN [18]

Y4

DMI_2TXP

R59

DMITXP2

DMI_2TXP [18]

AA4

DMI_2TXN

24.9/6/1

DMITXN2

DMI_2TXN [18]

DMITXP3

AB3

DMI_3TXP

DMI_3TXP [18]

[21]

SRCCLK_MCH

B14

GCLKP

DMITXN3

AC4

DMI_3TXN

DMI_3TXN [18]

GRCOMP

B16

Y7

DMI_0RXP

[21]

-SRCCLK_MCH

GCLKN

DMIRXP0

DMI_0RXP [18]

Y8

DMI_0RXN

B

DMIRXN0

DMI_0RXN

[18]

AA9

DMI_1RXP

DMIRXP1

DMI_1RXP [18]

AA10

DMI_1RXN

DMIRXN1

DMI_1RXN

[18]

AA6

DMI_2RXP

DMIRXP2

DMI_2RXP [18]

AA7

DMI_2RXN

DMIRXN2

DMI_2RXN

[18]

AC9

DMI_3RXP

DMIRXP3

DMI_3RXP [18]

AC8

DMI_3RXN

DMIRXN3

DMI_3RXN

[18]

945G/A2/ACER/[10HB1-033000-23R]

A

			Gigabyte Technology
	Title			GMCH-PCI E & DMI
	Size		Document Number	8I945AE-AE			Rev
	Custom						1.1
	Date:		Friday, June 10, 2005		Sheet 10 of	34

5

4

3

2

1

5

4

3

2

1

REFSET R1559 0/6/X

DDR25V_DAC

[13]

GHSYNC

GVSYNC

R

R61

0/6/X

DDR25V_DAC

[13]

DOTCLK R62

0/6/X

VCC1_5

G

R63

0/6/X

DDR25V_DAC

[13]

R64

R65

-DOTCLK R66

0/6/X

B

R67

0/6/X

DDR25V_DAC

[13]

10K/6/X

10K/6/X

FOR GRANDTSDALE-P

U2H

D

F21

D17

R1545

39/6

GHSYNC

D

[6]

BSEL0

BSEL0

HSYNC

(TDK PN# MMZ2012S800A)

H21

C17

R1546

39/6

GVSYNC

[6]

BSEL1

BSEL1

VSYNC

[6]

BSEL2

L20

BSEL2

R

FB1

80/6/2.5A

VGA_R

K18

F17

ALLZTEST

RED

H20

K17

G

FB2

80/6/2.5A

VGA_G

XORTEST

GREEN

L18

H18

B

FB3

80/6/2.5A

VGA_B

EXP_SLR

RSV_TP(5)

BLUE

K21

G17

EXP_SLR

RED*

L21

J17

EXP_EN

RSV_TP(4)

GREEN*

U3

U4

U5

F20

J18

3

3

3

EXP_EN

BLUE*

N21

BAV99/S

BAV99/S

BAV99/S

RSV_TP(6)

J15

DOTCLK

DREFCLKP

DOTCLK

[21]

VCC1_5

H15

-DOTCLK

DREFCLKN

-DOTCLK

[21]

M17

RSVD

IREF

A20

REFSET

R75

R69

R70

R71

R72

R73

R74

2

1

2

1

2

1

L17

255/6/1

150/6

150/6

150/6

150/6

150/6

150/6

C21

C22

C23

C24

C25

C26

RSVD

M11

AJ9

PWROK1

PWROK1 [19,23,24,32]

3.3P/4/N/50V

3.3P/4/N/50V

3.3P/4/N/50V

3.3P/4/N/50V

3.3P/4/N/50V

3.3P/4/N/50V

RSVD

PWROK

-PFMRST

RSTIN#

AJ12

C27

For 915G R132=255/6/1

V30

DDR25V_DAC

[13]

RSVD

33P/4/N/50V

DDR25V_MCH

R77

8.2K/6 -EXTTS

J20

EXTTS*

C28

C29

1U/6/Y/10V

0.1U/6/Y/25V

M18

-ICHSYNC

R1630

220/6

F15

ICH_SYNC#

-ICHSYNC

[19]

[17]

SDVO_CLDATA

SDVO_CTRLDATA

DDC_DATA

N18

DDCDATA

[17]

SDVO_CLCLK

R1631

220/6

E15

N20

DDCCLK

VCC3

SDVO_CTRLCLK

DDC_CLK

C

0321-INTEL

U6-1

14

GHSYNC

C

945G/A2/ACER/[10HB1-033000-23R]

HSYNC

R76

33/6

1

3

2

7

-PFMRST

U6-2

74LVC32/S/[10TC1-117432-01_10TC1-117432-02_10TC1-117432-03]

-PFMRST

[19,23,24]

14

GVSYNC

4

C30

VSYNC

R78

33/6

6

33P/4/N/50V

5

7

74LVC32/S/[10TC1-117432-01_10TC1-117432-02_10TC1-117432-03]

3

U26

3

U27

U6-3

14

BAV99/S

BAV99/S

8

9

C32

C31

10

3.3P/4/N/50V/X

3.3P/4/N/50V/X

7

DDR25V_MCH

2

1

2

1

74LVC32/S/[10TC1-117432-01_10TC1-117432-02_10TC1-117432-03]

R1550

R1551

ESD

VCC3

VCC3

U6-4

14

4.7K/6/X

4.7K/6/X

11

12

[17] SDVO_CLDATA

13

C33

VCC

[17]

SDVO_CLCLK

7

0.1U/6/Y/25V

R84

74LVC32/S/[10TC1-117432-01_10TC1-117432-02_10TC1-117432-03]

DDR25V_DAC [13]

1K/6/X

Q3

R79

R80

EXP_SLR

R81

R82

2N7002/S

2.2K/6

2.2K/6

B

8.2K/6

8.2K/6

VCC3

2

G

VCC

B

D

3

VGADDCDATA

DDCDATA

1

R87

S

Q4

0/6/SHT/X

SOT23

2N7002/S

F3

EXP_EN

EXP_EN_HDR [17]

VCC3

2

G

D

3

VGADDCCLK

FUSE0.75A/S/[10FP1-06750C-01_10FP1-06750C-02_10FP1-06750C-03]

DDCCLK

1

0321-INTEL

S

FB8

SOT23

30/8/S/4A

3

U30

3

U31

BC30

BAV99/S

BAV99/S

0.1U/6/Y/25V

16

VGA

2

1

2

1

VGA_R

6

11

ESD

VCC

VCC

1

VGA_G

7

12

VGADDCDATA

2

VGA_B

8

HSYNC

3

13

9

VSYNC

4

14

10

VGADDCCLK

5

15

A

17

VGA/P/S/[11NR6-101015-31_11NR6-101015-33]

A

Gigabyte Technology

Title

GMCH-INTERNAL VGA

Size

Document Number

8I945AE-AE

Rev

Custom

1.1

Date:

Friday, June 10, 2005

Sheet

11

of

34

5

4

3

2

1