Gigabyte GA-8i945gme_r10_05-1026 Schematics

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Model Name: 8I945GME

SHEET TITLE

01

D D

02
03
04
05
06
07
08
09

C C

10
11
12
13
14
15

COVER SHEET
BLOCK DIAGRAM
BOM & PCB MODIFY HISTORY
P4_LGA775_A
P4_LGA775_B
P4_LGA775_C
P4_LGA775_D,E,F,G
GMCH-LAKEPORT_HOST
GMCH-LAKEPORT_DDRII
GMCH-LAKEPORT_PCI E, DMI
GMCH-LAKEPORT_INT VGA
GMCH-LAKEPORT_GND
GMCH-LAKEPORT_PWR

DDRII CHANNEL A 1
DDRII CHANNEL B 2

Revision 1.0

SHEET TITLE

28
29
30
31
32
33

REAR AUDIO JACK
DISCRETE POWER
VCORE PWM_ISL6556
ATX, OTHERS POWER
RTL8110S/RTL8100C
FRONT PANEL

16
17

B B

18
19
20
21
22
23
24

A A

25
26
27

DDRII TERMINATION

PCI EXPRESS*16 SLOT

ICH7 PCI, USB, DMI, LAN
ICH7 IDE, GPIO, SATA, CTRL
ICH7 VCC, GND
GB/CK410M CLOCK.
PCI SLOT 1,2,3
IDE/FLOPPY
ITE 8712 GBIX
COM_LPT
BIOS,CI,HWM,KB/MS
AC97 ALC655

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Custom

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Date: Sheet

Gigabyte Technology

Cover Sheet

8I945GME

1

of

133Monday, October 31, 2005

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BLOCK DIAGRAM

INTEL Pentium4
LGA775

D D

CLOCK GENERATOR

CKVDD = 3.3V

VCORE = 1.4V
VCC3

PCI EXPRESS X16

VDDQ = 1.5V (AGP POWER 4X)
VCC3 = 3.3V
+12V = 12V
3VDUAL = 3.3V
VCC = 5V

C C

GMCH
LAKEPORT(945G)

VCORE = 1.75V / SLEEP : 1.3V
2_5VSTR = 2.5V(MEMORY)
VDDQ = 1.5V (AGP POWER 4X, HUBLINK)

MAA0~14
MAA_CPC1~5
MAB_CPC1~5
MDD0~63

-DQSD0~7
DM0~7

ICH7

USB PORTS 0~7

VCC = 5V
5VSB = 5V
5VUSB = 5V

VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)
3VDUAL = 3.3V(SUSPEND POWER)
VCC3 = 3.3V
RTCVDD = 3.3V

CHANNEL A
DDRII DIMM X 1

1.8VSTR = 1.8V(MEMORY,SUSPEND POWER)
VTT_DDR = 0.9V

PAGE 14,15

CHANNEL B
DDRII DIMM X 1

1.8VSTR = 1.8V(MEMORY,SUSPEND POWER)
VTT_DDR = 0.9V

PAGE 16,17

IDE Primary

VCC = 5V

SERIAL ATA

VCC = 5V

PAGE 28

PAGE 21

B B

PCI BUS

FWH/HWMO

PCI SLOT 1,2,3

+12 = 12V

-12 = -12V
VCC = 5V
VCC3 = 3V
3VDUAL = 3V

VCC = 5V
VCC3 = 3V

LPC BUS

AC97 ALC655

+12V = 12V
VCC = 5V 5VSB = 5V

AVDD = 5V

A A

AUDIO PORTS :

CD_IN

LINE_IN

AUX_IN

5

LIN_ OUT
TELE

FRONT AUDIO

MIC

PAGE 33

PAGE 34,35

FRONT PANEL /CPU FAN

VCC = 5V
5VSB = 5V
+12 = 12V
PVCC = 5V

4

3

LPC I/O ITE8712GB-IX

VCC = 5VVCC3 = 3.3V
VBAT = 3V

I/O PORTS :

COMB

COMA IR

LPT

2

PS2

FDD

PAGE 27

PAGE 39

PAGE 29,40

Title

Size Document Number Rev
Custom

Date: Sheet

Gigabyte Technology

BOM & PCB MODIFY HISTORY

8I945GME

1

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Model Name: 8I945GME

Circuit or PCB layout change
for next version

Version: 1.0

DATE Change Item Reason

D D

Component value change
history

Data Change Item Reason

2005/09/05 MODIFY MODEL NAME:8I945GME

2005/09/12 SWAP NET+R0402-2/C0402-2

2005/10/21

2005/10/26 REV 1.0--gerber out

C C

REV 1.0--SPI ROM 1.DDR25V_MCH ADD 100UF

2.ADD SPI ROM+TEMP RANDOM
VCC(PIN2-IT8712)

3.COMB FOOTPRINT

2005/10/26

B B

A A

Title

Size Document Number Rev
Custom

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Date: Sheet

Gigabyte Technology

BOM & PCB MODIFY HISTORY

8I945GME

1

333Monday, October 31, 2005

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VCORE

BC5

10u/12/X7R/6.3V/K

D D

C C

B B

BC6

10u/12/X7R/6.3V/K

BC7

10u/12/X7R/6.3V/K

BC8

10u/12/X7R/6.3V/K

HA[3..16][8]

HA[17..31][8]

HA[3..16]

HA[17..31]

VCORE

BC1

10u/12/X7R/6.3V/K

-HREQ0[8]

-HREQ1[8]

-HREQ2[8]

-HREQ3[8]

-HREQ4[8]

-HADSTB0[8]

-HADSTB1[8]

HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14
HA15
HA16

HA17
HA18
HA19
HA20
HA21
HA22
HA23
HA24
HA25
HA26
HA27
HA28
HA29
HA30
HA31

BC2

10u/12/X7R/6.3V/K

-HREQ0

-HREQ1

-HREQ2

-HREQ3

-HREQ4

-HADSTB0

-HADSTB1

BC3

10u/12/X7R/6.3V/K

LGA775A

L5

A03#

P6

A04#

M5

A05#

L4

A06#

M4

A07#

R4

A08#

T5

A09#

U6

A10#

T4

A11#

U5

A12#

U4

A13#

V5

A14#

V4

A15#

W5

A16#

N4

RSVD

P5

RSVD

K4

REQ0#

J5

REQ1#

M6

REQ2#

K6

REQ3#

J6

REQ4#

R6

ADSTB0#

G5

PCREQ#

AB6

A17#

W6

A18#

Y6

A19#

Y4

A20#

AA4

A21#

AD6

A22#

AA5

A23#

AB5

A24#

AC5

A25#

AB4

A26#

AF5

A27#

AF4

A28#

AG6

A29#

AG4

A30#

AG5

A31#

AH4

A32#

AH5

A33#

AJ5

A34#

AJ6

A35#

AC4

RSVD

AE4

RSVD

AD5

ADSTB1#

CPU-SK/775/D/GF

VCORE

BC4

10u/12/X7R/6.3V/K

LGA775-D [DIP TYPE]

+

EC1

100U/2V/SPCAP/X

D2

ADS#

C2

BNR#

D4

HIT#

H4

RSP#

G8

BPRI#

B2

DBSY#

C1

DRDY#

E4

HITM#

AB2

IERR#

P3

INIT#

C3

LOCK#

E3

TRDY#

AD3

BINIT#

G7

DEFER#

F2

EDRDY#

AB3

MCERR#

U2

AP0#

U3

AP1#

F3

BR0#

G3

TESTHI08

G4

TESTHI09

H5

TESTHI10

J16

DP0#

H15

DP1#

H16

DP2#

J17

DP3#

H2

GTLREF1

H1

GTLREF0

G23

RESET#

B3

RS0#

F5

RS1#

A3

RS2#

+

EC2

100U/2V/SPCAP/X

-HADS

-BNR

-HIT

-BPRI

-DBSY

-DRDY

-HITM

-IERR

-HINIT

-HLOCK

-HTRDY

-DEFER

-BR0
TESTHI8
TESTHI9
TESTHI10

GTLREF1
GTLREF

-CPURST

-RS0

-RS1

-RS2

-HADS [8]

-BNR [8]

-HIT [8]

-BPRI [8]

-DBSY [8]

-DRDY [8]

-HITM [8]

-HLOCK [8]

-BR0 [8]

+

EC4

100U/2V/SPCAP/X

+

EC3

100U/2V/SPCAP/X

-HTRDY [8]

-DEFER [8]

C1277 220p/4/NPO/50V/J/X

C3 220p/4/NPO/50V/J/X

-RS0 [8]

-RS1 [8]

-RS2 [8]

-HINIT [19]

C2
33P/4/NPO/50V/J

-CPURST [8]

C4
22p/4/NPO/50V/J

CHANGE-945

VTT_OR

VTT_OR

0315

VTT_OL

VTT_OR

VTT_OL

VTT_OL

R422

124/6/1

R1

124/6/1

10/6

R424

C262

210/6/1

1u/6/Y5V/10V/Z

10/6

C1

R2

1u/6/Y5V/10V/Z

210/6/1

RN1 62/8P4R/6

7 8
5 6
3 4
1 2

R3 62/6

R4 62/6

R5 62/6

R423

R425

TESTHI10
TESTHI9
TESTHI8

-IERR

-BR0

-CPURST

GTLREF1

GTLREF

CR
CPU RETAINTION/X

A A

Title

Size Document Number Rev
Custom

5

4

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Date: Sheet

Gigabyte Technology

P4_LGA775-A

8I945GME

of

1

433Monday, October 31, 2005

1.0

5

D D

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C5
C6

A10
A11
B10

C11

D8

B12
C12
D11

C8

G9

D7

E10
D10

F11

F12
D13

E13
G13

F14
G14

F15
G15
G11
G12

E12

B4
A4
A5

B6
B7
A7

A8
B9

F8
F9
E9

LGA775B

D00#
D01#
D02#
D03#
D04#
D05#
D06#
D07#
D08#
D09#
D10#
D11#
D12#
D13#
D14#
D15#
DBI0#
DSTBN0#
DSTBP0

D16#
D17#
D18#
D19#
D20#
D21#
D22#
D23#
D24#
D25#
D26#
D27#
D28#
D29#
D30#
D31#
DBI1#
DSTBN1#
DSTBP1

CPU-SK/775/D/GF

D32#
D33#
D34#
D35#
D36#
D37#
D38#
D39#
D40#
D41#
D42#
D43#
D44#
D45#
D46#
D47#

DBI2#

DSTBN2#

DSTBP2

D48#
D49#
D50#
D51#
D52#
D53#
D54#
D55#
D56#
D57#
D58#
D59#
D60#
D61#
D62#
D63#

DBI3#

DSTBN3#

DSTBP3

HD32

G16

HD33

E15

HD34

E16

HD35

G18

HD36

G17

HD37

F17

HD38

F18

HD39

E18

HD40

E19

HD41

F20

HD42

E21

HD43

F21

HD44

G21

HD45

E22

HD46

D22

HD47

G22

-DBI2

D19
G20
G19

D20
D17
A14
C15
C14
B15
C18
B16
A17
B18
C21
B21
B19
A19
A22
B22
C20
A16
C17

STBN2
STBP2

HD48
HD49
HD50
HD51
HD52
HD53
HD54
HD55
HD56
HD57
HD58
HD59
HD60
HD61
HD62
HD63

-DBI3
STBN3
STBP3

-DBI2 [8]
STBN2 [8]
STBP2 [8]

-DBI3 [8]
STBN3 [8]
STBP3 [8]

HD[32..47] [8]

HD[48..63] [8]

HD[0..15][8]

C C

HD[16..31][8]

B B

HD[0..15]

HD[16..31]

HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15

-DBI0[8]
STBN0[8]
STBP0[8]

-DBI1[8]
STBN1[8]
STBP1[8]

-DBI0
STBN0
STBP0

HD16
HD17
HD18
HD19
HD20
HD21
HD22
HD23
HD24
HD25
HD26
HD27
HD28
HD29
HD30
HD31

-DBI1
STBN1
STBP1

A A

Title

Size Document Number Rev
Custom

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Date: Sheet

Gigabyte Technology

P4_LGA775-C

8I945GME

of

1

533Monday, October 31, 2005

1.0

5

Note:

VCCA & VCOREPLL
define doesn't same as

VCCA:120~220mA

VTT_GMCH

L1 10uH/8/155mA/0.5/S

D D

L2 10uH/8/155mA/0.5/S

C8
1u/6/Y5V/10V/Z

C9
1u/6/Y5V/10V/Z

VCOREPLL:100mA

C C

945 Design Guide rev1.5 spec.

B B

VCCA=120~220mA

公板為

125mA

old P4 design kit

R16
0/6/SHT/X

As close as possible to
CPU socket

-STPCLK

C10
33P/4/NPO/50V/J/X

VCCA

VSSA

VCOREPLL

CPU_TEMP[24,26]
THERMDC[24]

1n/4/X7R/50V/K/X

BC20

VCC_SENSE

10u/12/X7R/6.3V/K/X

VSS_SENSE

10LI2-12100A-03=INDUCTOR 10uH 300mA TAI-TECH
10LI2-12100A-02=INDUCTOR 10uH 155mA TAIYO
10LI2-12100A-01=INDUCTOR 10uH 120mA TDK

CPU

FSA0FSB

A A

FSBSEL0

FSBSEL1
1
1
1

NA

FSBSEL3
0
0
1
1
00

1
0
0
0
0

5

Clock
100MHz
133MHz
166MHz
200MHz
266MHz

X

RATIO

2.66/3.33

2.00/2.5

4

Trace width doesn't
less than 12 Mil

C12

1n/4/X7R/50V/K/X

BC173

限用兩種

4

3

R6
62/6/X

R1568
110/6/1

TESTHI0
TESTHI1
TESTHI11
TESTHI12

TESTHI2_7

-FORCEPR
RSVD_G6

TESTHI13
CPUPWROK

-PROCHOT

COMP0
COMP1
COMP2
COMP3
COMP4
COMP5
COMP6
COMP7

VTT_PWRGD

BSEL0 [11]
BSEL1 [11]
BSEL2 [11]

TESTHI0

C7

0.1u/6/Y5V/25V/Z

R1569

61.9/6/1

VTT_GMCH

MCH_GTLREF [8]
GTL_DET [8]

VTT_PWRGD [29,30]

VTT_OR
VTT_OL
VCC3

VTT_GMCH

VCC3

R10
249/6/1

3

Q1

D

2N7002/SOT23/25pF/5

GS

SOT23

GTL_DET[8]

-SMI

-SMI[19]

-A20M

-A20M[19]

-FERR

-FERR[19]
INTR

INTR[19]

NMI

NMI[19]

-IGNNE

-IGNNE[19]

-STPCLK

-STPCLK[19]
VCCA

VSSA
VCOREPLL
VID0

VID[0..5]

VID[0..5][30]

CPUCLK[21]

-CPUCLK[21]

-SKTOCC[19]

R1589
62/6/X

-SYS_RST[19,33]

VID1
VID2
VID3
VID4 -THRMTRIP
VID5

R426 62/6

CPUCLK

-CPUCLK

VCC_SENSE
VSS_SENSE

R427 62/6
R428 62/6

TCK
TDI
TDO
TMS

-TRST

-BPM0

-BPM1

-BPM2

-BPM3

-BPM4

-BPM5

MSID1
MSID0

-SYS_RST

FSBSEL0
FSBSEL1
FSBSEL2

FSBSEL0[21]
FSBSEL1[21]
FSBSEL2[21]

AM2
AM3

AM5
AM7

A23
B23
D23
C23

AL5
AL6

AK4
AL4

AN7
F28
G28
AE8

AL1
AK1

AN3
AN4
AN5
AN6

F29

AE6

P2
K3
R3
K1
L1
N2

M3

F6

V1
W1
N5

AE1
AD1
AF1
AC1
AG1

AJ2

AJ1
AD2
AG2
AF2
AG3

AC2
AK3

AJ3
G29

H30
G30

2

LGA775C

SMI#
A20M#
FERR#/PBE#
LINT0
LINT1
IGNNE#
STPCLK#

VCCA
VSSA
RSVD
VCCIOPLL

VID0
VID1
VID2
VID3
VID4
VID5
VID6
VID7
VID_SELECT
BCLK0
BCLK1
SKTOCC#

THERMDA
THERMDC

VCC_SENSE
VSS_SENSE
RSVD
RSVD

VTT_PKGSENSE
IMPSEL

MSID1
MSID0
RSVD
RSVD

CPU-SK/775/D/GF

LGA775D

TCK
TDI
TDO
TMS
TRST#

BPM0#
BPM1#
BPM2#
BPM3#
BPM4#
BPM5#

DBR#
ITPCLK0

ITPCLK1
BSEL0

BSEL1
BSEL2

CPU-SK/775/D/GF

FSBSEL0
FSBSEL1
FSBSEL2

TESTHI0

1

R39 8.2K/6
R40 8.2K/6
R41 8.2K/6

3

VCC3

support p4 extreme:1.5V

F26

TESTHI00

W3

TESTHI01

P1

TESTHI11

W2

TESTHI12

F25

TESTHI02

G25

TESTHI03

G27

TESTHI04

G26

TESTHI05

G24

TESTHII06

F24

TESTHI07

AK6

RSVD

G6

RSVD

L2

SLP#

AH2

RSVD

N1

PWRGOOD

AL2

PROCHOT#

COMP0
COMP1
COMP2
COMP3
COMP4
COMP5
COMP6
COMP7

LL_ID0
LL_ID1

VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT

VTT_OUT
VTT_OUT
VTT_SEL

RSVD
RSVD
RSVD
RSVD

N/C
N/C
N/C

N/C

BSEL0
BSEL1
BSEL2

M2
A13

T1
G2
R1
J2
T2
Y3
AE3
C9
G10
D16
A20
F23
E23
E7
E24
H29
J3

Y1
V2
AA2

A29
B25
B29
B30
C29
A26
B27
C28
A25
A28
A27
C30
A30
C25
C26
C27
B26
D27
D28
D25
D26
B28
D29
D30
AM6

AA1
J1

R38 1K/6/X

F27

THERMTRIP#

CS_GTLREF

GTLREF_SEL

BOOTSELECT

VTTPWRGD

2

-FORCEPR [33]

CPUPWROK [19]

-PROCHOT [33]

-THRMTRIP [19]

2

1

Place outside of CPU socket

VTT_OL

C5

0.1u/6/Y5V/25V/Z

VTT_OR

C1278

0.1u/6/Y5V/25V/Z

VTT_OR

VTT_GMCH

R7 60.4/6/1
R8 60.4/6/1
R9 60.4/6/1
R11 60.4/6/1
R13 60.4/6/1
R14 60.4/6/1

R1547 60.4/6/1
R1548 60.4/6/1

R17 130/6/1

RN2 470/8P4R/6

7 8
5 6
3 4
1 2

R18 62/6

R19 62/6
R20 62/6

COMP5
COMP4
COMP2
COMP3
COMP0
COMP1

COMP6
COMP7

-PROCHOT
FSBSEL0

FSBSEL2
FSBSEL1

TESTHI2_7

-THRMTRIP

-FERR

Locate at ICH7 Side

VTT_OL

VTT_OR

VTT_OL

VTT_OR

C13

0.1u/6/Y5V/25V/Z

C14

0.1u/6/Y5V/25V/Z

Title

Size Document Number Rev
Custom

Date: Sheet

R21 62/6/X
R22 100/6

R27 470/6

RN3

7 8
5 6
3 4
1 2

RN4 470/8P4R/6

7 8
5 6
3 4

1 2

R29 470/6
R30 470/6

R32 62/6
RN5 62/8P4R/6

7 8

5 6

3 4

RN6

1 2

7 8

5 6

3 4

1 2

R35 62/6
R36 62/6

R37 62/6

Gigabyte Technology

P4_LGA775-B

RSVD_G6
CPUPWROK

C11
1n/4/X7R/50V/K

VTT_PWRGD

62/8P4R/6

TESTHI12
TESTHI11
TESTHI1
TESTHI13

VID5
VID4
VID2
VID0
VID1
VID3

-FORCEPR

-BPM1

-BPM0

-BPM5

-BPM4

-BPM2

-BPM3
TDI
TMS

62/8P4R/6

TDO

-TRST
TCK

8I945GME

1

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633Monday, October 31, 2005

1.0

5

D D

LGA775E

VCORE

C C

B B

AA8

AB8
AC23
AC24
AC25
AC26
AC27
AC28
AC29
AC30

AC8
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30

AD8
AE11
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
AG29
AG30

AG8

AG9

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

CPU-SK/775/D/GF

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

AH11
AH12
AH14
AH15
AH18
AH19
AH21
AH22
AH25
AH26
AH27
AH28
AH29
AH30
AH8
AH9
AJ11
AJ12
AJ14
AJ15
AJ18
AJ19
AJ21
AJ22
AJ25
AJ26
AJ8
AJ9
AK11
AK12
AK14
AK15
AK18
AK19
AK21
AK22
AK25
AK26
AK8
AK9
AL11
AL12
AL14
AL15
AL18
AL19
AL21
AL22
AL25
AL26
AL29
AL30
AL8
AL9

VCORE

VCORE

4

LGA775F

AM11
AM12
AM14
AM15
AM18
AM19
AM21
AM22
AM25
AM26
AM29
AM30

AM8

AM9
AN11
AN12
AN14
AN15
AN18
AN19
AN21
AN22
AN25
AN26
AN29
AN30

AN8
AN9

M23
M24
M25
M26
M27
M28
M29
M30

J10
J11
J12
J13
J14
J15
J18
J19
J20
J21
J22
J23
J24
J25
J26
J27
J28
J29
J30

J8

J9
K23
K24
K25
K26
K27
K28
K29
K30

K8
L8

M8

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

CPU-SK/775/D/GF

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
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

VCORE

3

LGA775G

AA23
AA24
AA25
AA26
AA27
AA28
AA29

AA30

AB23
AB24
AB25
AB26
AB27
AB28
AB29
AB30

AE10
AE13
AE16
AE17

AE20
AE24
AE25
AE26
AE27
AE28
AE29
AE30

AF10
AF13
AF16
AF17
AF20
AF23
AF24
AF25
AF26
AF27
AF28
AF29

AF30

AA3
AA6

AA7
AB1

AB7
AC3
AC6
AC7
AD4
AD7

AE2

AE5
AE7

AF3
AF6

AF7

A12
A15
A18

A2
A21
A24

A6

A9

VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS

CPU-SK/775/D/GF

VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS

AG10
AG13
AG16
AG17
AG20
AG23
AG24
AG7
AH1
AH10
AH13
AH16
AH17
AH20
AH23
AH24
AH3
AH6
AH7
AJ10
AJ13
AJ16
AJ17
AJ20
AJ23
AJ24
AJ27
AJ28
AJ29
AJ30
AJ4
AJ7
AK10
AK13
AK16
AK17
AK2
AK20
AK23
AK24
AK27
AK28
AK29
AK30
AK5
AK7
AL10
AL13
AL16
AL17
AL20
AL23
AL24
AL27
AL28
AL3
AL7
AM1
AM10
AM13
AM16
AM17
AM20
AM23
AM24
AM27
AM28
AM4

2

LGA775H

AN1

VSS

AN10

VSS

AN13

VSS

AN16

VSS

AN17

VSS

AN2

VSS

AN20

VSS

AN23

VSS

AN24

VSS

AN27

VSS

AN28

VSS

B1

VSS

B11

VSS

B14

VSS

B17

VSS

B20

VSS

B24

VSS

B5

VSS

B8

VSS

C10

VSS

C13

VSS

C16

VSS

C19

VSS

C22

VSS

C24

VSS

C4

VSS

C7

VSS

D12

VSS

D15

VSS

D18

VSS

D21

VSS

D24

VSS

D3

VSS

D5

VSS

D6

VSS

D9

VSS

E11

VSS

E14

VSS

E17

VSS

E2

VSS

E20

VSS

E25

VSS

E26

VSS

E27

VSS

E28

VSS

E29

VSS

E8

VSS

F10

VSS

F13

VSS

F16

VSS

F19

VSS

F22

VSS

F4

VSS

F7

VSS

G1

VSS

H10

VSS

H11

VSS

H12

VSS

H13

VSS

H14

VSS

H17

VSS

H18

VSS

H19

VSS

H20

VSS

H21

VSS

H22

VSS

H23

VSS

H24

VSS

CPU-SK/775/D/GF

VSS
VSS
VSS
VSS

VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS

1

H25
H26
H27
H28

H3
H6
H7
H8
H9
J4
J7
K2
K5
K7
L23
L24
L25
L26
L27
L28
L29
L3
L30
L6
L7
M1
M7
N3
N6
N7
P23
P24
P25
P26
P27
P28
P29
P30
P4
P7
R2
R23
R24
R25
R26
R27
R28
R29
R30
R5
R7
T3
T6
T7
U1
U7
V23
V24
V25
V26
V27
V28
V29
V3
V30
V6
V7
W4
W7
Y2
Y5
Y7

A A

Title

Size Document Number Rev
Custom

5

4

3

2

Date: Sheet

Gigabyte Technology

P4_LGA775-D

8I945GME

of

1

733Monday, October 31, 2005

1.0

5

4

3

2

1

VTT_GMCH

GTL_DET[6]

VTT_GMCH

VTT_GMCH

R42

124/6/1

BC21

0.01u/4/X7R/16V/K/X

+12V

R46
301/6/1

R47

84.5/6/1

R48

60.4/6/1

HSCOMP

C19
22p/4/NPO/50V/J/X

R45

8.2K/6

R43
210/6/1

C18

0.01u/4/X7R/16V/K

R418

MCH_GTLREF

10/6

BC22

0.1u/6/Y5V/25V/Z

VCORE

R44
619/6/1

3

D

Q2
2N7002/SOT23/25pF/5

GS

SOT23

2

1

R1544 62/6

MCH_GTLREF

HSWNG

HRCOMP

R49

16.9/6/1

C17
220p/4/NPO/50V/J/X

0315

M34
N35
R33
N32
N34
M38
N42
N37
N38
R32
R36
U37
R35
R38

U34
U32

U35

AA37

AA35
AA42
AA38
AA34

D41
G37
M36

M31
M29

G34

M26

W42
W40

W41

U41
U40

AA41

U39
D42
U42

C30

R27
U27
M15

J39
K38
J42
K35
J37

V33

V42
Y36

Y38
V32

Y34

E41
K36
E42
V35

A28
B27

K41
L43
K40
F35

A38
J27

E29
E34
B37
B32

V41
P40

T40
Y43
T43

L15

U2A

HA3*
HA4*
HA5*
HA6*
HA7*
HA8*
HA9*
HA10*
HA11*
HA12*
HA13*
HA14*
HA15*
HA16*
HA17*
HA18*
HA19*
HA20*
HA21*
HA22*
HA23*
HA24*
HA25*
HA26*
HA27*
HA28*
HA29*
HA30*
HA31*
RSVD
RSVD
RSVD
RSVD

HREQ0*
HREQ1*
HREQ2*
HREQ3*
HREQ4*
HADSTB0*
HADSTB1*

HCLKP
HCLKN

HRCOMP
HSWING

HDSTBP0*
HDSTBN0*
HDINV0*
HDSTBP1*
HDSTBN1*
HDINV1*
HDSTBP2*
HDSTBN2*
HDINV2*
HDSTBP3*
HDSTBN3*
HDINV3*

HADS*
HTRDY*
HDRDY*
HDEFER*
HHITM*
HHIT*
HLOCK*
HBREQ0*
HBNR*
HBPRI*
HDBSY*
HRS0*
HRS1*
HRS2
HCPURST*

CPU INTERFACE

RSVD
RSVD
RSVD
RSVD

HD0*
HD1*
HD2*
HD3*
HD4*
HD5*
HD6*
HD7*
HD8*

HD9*
HD10*
HD11*
HD12*
HD13*
HD14*
HD15*
HD16*
HD17*
HD18*
HD19*
HD20*
HD21*
HD22*
HD23*
HD24*
HD25*
HD26*
HD27*
HD28*
HD29*
HD30*
HD31*
HD32*
HD33*
HD34*
HD35*
HD36*
HD37*
HD38*
HD39*
HD40*
HD41*
HD42*
HD43*
HD44*
HD45*
HD46*
HD47*
HD48*
HD49*
HD50*
HD51*
HD52*
HD53*
HD54*
HD55*
HD56*
HD57*
HD58*
HD59*
HD60*
HD61*
HD62*
HD63*

HDVREF

HACCVREF

HSCOMP

HPCREQ

HEDRDY*

P41
M39
P42
M42
N41
M40
L40
M41
K42
G39
J41
G42
G40
G41
F40
F43
F37
E37
J35
D39
C41
B39
B40
H34
C37
J32
B35
J34
B34
F32
L32
J31
H31
M33
K31
M27
K29
F31
H29
F29
L27
M24
J26
K26
G26
H24
K24
F24
E31
A33
E40
D37
C39
D38
D33
C35
D34
C34
B31
C31
C32
D32
B30
D30

D27
D28

C27

F38
Y40

HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10

HD12
HD13
HD14
HD15
HD16
HD17
HD18
HD19
HD20
HD21HA24
HD22
HD23
HD24
HD25
HD26
HD27
HD28
HD29
HD30
HD31
HD32
HD33
HD34
HD35
HD36
HD37
HD38
HD39
HD40
HD41
HD42
HD43
HD44
HD45
HD46
HD47
HD48
HD49
HD50
HD51
HD52
HD53
HD54
HD55
HD56
HD57
HD58
HD59
HD60
HD61
HD62
HD63

MCH_GTLREF

HSCOMP

HA[3..31][4]

D D

C C

B B

HA[3..31]

-HADSTB0[4]

-HADSTB1[4]
MCHCLK[21]

-MCHCLK[21]

-DBSY[4]

-CPURST[4]

HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14 HD11
HA15
HA16
HA17
HA18
HA19
HA20
HA21
HA22
HA23

HA25
HA26
HA27
HA28
HA29
HA30
HA31

-HREQ0[4]

-HREQ1[4]

-HREQ2[4]

-HREQ3[4]

-HREQ4[4]

-HTRDY[4]

-DEFER[4]

-HLOCK[4]

-HREQ0

-HREQ1

-HREQ2

-HREQ3

-HREQ4

-HADSTB0

-HADSTB1
MCHCLK

-MCHCLK
HRCOMP

HSWNG
STBP0

STBP0[5]

STBN0

STBN0[5]

-DBI0

-DBI0[5]
STBP1

STBP1[5]

STBN1

STBN1[5]

-DBI1

-DBI1[5]
STBP2

STBP2[5]

STBN2

STBN2[5]

-DBI2

-DBI2[5]
STBP3

STBP3[5]

STBN3

STBN3[5]

-DBI3

-DBI3[5]

-HADS

-HADS[4]

-HTRDY

-DRDY

-DRDY[4]

-DEFER

-HITM

-HITM[4]

-HIT

-HIT[4]

-HLOCK

-BR0

-BR0[4]

-BNR

-BNR[4]

-BPRI

-BPRI[4]

-DBSY

-RS0

-RS0[4]

-RS1

-RS1[4]

-RS2

-RS2[4]

-CPURST

HD[0..63]

MCH_GTLREF [6]

HD[0..63] [5]

945G/A2/[10HB1-033000-22R]

A A

COUPON1
COUPON2

5

4

Pb-Free

COUPON1 COUPON
COUPON2 COUPON

21
21

3

VCORE

Title

Size Document Number Rev
Custom

2

Date: Sheet

Gigabyte Technology

GMCH-HOST

8I945GME

of

1

833Monday, October 31, 2005

1.0

5

MODT_A[0..3]

MAAA0
MAAA1
MAAA2
MAAA3
MAAA4
MAAA5

D D

C C

B B

DCLKA0[14]

-DCLKA0[14]
DCLKA1[14]

-DCLKA1[14]
DCLKA2[14]

-DCLKA2[14]

0.1u/6/Y5V/25V/Z/X

MAAA6
MAAA7
MAAA8
MAAA9
MAAA10
MAAA11
MAAA12
MAAA13

-SWEA

-SWEA[14,16]

-SCASA

-SCASA[14,16]

-SRASA

-SRASA[14,16]
SBAA0

SBAA0[14,16]

SBAA1

SBAA1[14,16]

SBAA2

SBAA2[14,16]

-CSA0

-CSA0[14,16]

-CSA1

-CSA1[14,16]

-CSA2

-CSA2[16]

-CSA3

-CSA3[16]
CKEA0

CKEA0[14,16]

CKEA1

CKEA1[14,16]

CKEA2

CKEA2[16]

CKEA3

CKEA3[16]

MODT_A0
MODT_A1
MODT_A2
MODT_A3

DCLKA0

-DCLKA0
DCLKA1

-DCLKA1
DCLKA2

-DCLKA2

DDRVREFA

C20

NB_HEATSIN

A A

MODT_A[0..3] [14,16]

U2F

BA32

SAMA0

AW32

SAMA1

BB30

SAMA2

BA30

SAMA3

AY30

SAMA4

BA27

SAMA5

BC28

SAMA6

AY27

SAMA7

AY28

SAMA8

BB27

SAMA9

AY33

SAMA10

AW27

SAMA11

BB26

SAMA12

BC38

SAMA13

BB35

SAWE*

BA37

SACAS*

BA34

SARAS*

BC33

SABA_0

AY34

SABA_1

BA26

SABA_2

BB37

SACS_0*

BA39

SACS_1*

BA35

SACS_2*

AY38

SACS_3*

BB25

SACKE0

AY25

SACKE1

BC24

SACKE2

BA25

SACKE3

AW37

SAODT0

AY39

SAODT1

AY37

SAODT2

BB40

SAODT3

BB32

SACK0

AY32

SACK0*

AY5

SACK1

BB5

SACK1*

AK42

SACK2

AK41

SACK2*

BA31

SACK3

BB31

SACK3*

AY6

SACK4

BA5

SACK4*

AH40

SACK5

AH43

SACK5*

AK18

RSV_TP(3)

AM4

SMVREF0

AL17

RSV_TP(1)

AK17

RSV_TP(0)

1

945G/A2/[10HB1-033000-22R]

SADQS0

SADQS0*

SADM0
SADQ0
SADQ1
SADQ2
SADQ3
SADQ4
SADQ5
SADQ6
SADQ7

SADQS1

SADQS1*

SADM1
SADQ8

SADQ9
SADQ10
SADQ11
SADQ12
SADQ13
SADQ14
SADQ15

SADQS2

SADQS2*

SADM2
SADQ16
SADQ17
SADQ18
SADQ19
SADQ20
SADQ21
SADQ22
SADQ23

SADQS3

SADQS3*

SADM3
SADQ24
SADQ25
SADQ26
SADQ27
SADQ28
SADQ29
SADQ30
SADQ31

SADQS4

SADQS4*

SADM4
SADQ32
SADQ33
SADQ34
SADQ35
SADQ36
SADQ37
SADQ38
SADQ39

SADQS5

SADQS5*

SADM5
SADQ40
SADQ41
SADQ42
SADQ43
SADQ44
SADQ45
SADQ46
SADQ47

SADQS6

SADQS6*

SADM6
SADQ48
SADQ49
SADQ50
SADQ51
SADQ52
SADQ53
SADQ54
SADQ55

SADQS7

SADQS7*

SADM7
SADQ56
SADQ57
SADQ58
SADQ59
SADQ60
SADQ61
SADQ62
SADQ63

AU4
AR2
AR3
AP3
AP2
AU3
AV4
AN1
AP4
AU5
AU2

BA3
BB4
AY2
AW3
AY3
BA7
BB7
AV1
AW4
BC6
AY7

AY11
BA10
BB10
AW12
AY10
BA12
BB12
BA9
BB9
BC11
AY12

AU18
AR18
AP18
AM20
AM18
AV20
AM21
AP17
AR17
AP20
AT20

AU35
AV35
AT34
AP32
AV34
AV38
AU39
AV32
AT32
AR34
AU37

AP42
AP40
AP39
AR41
AR42
AN43
AM40
AU41
AU42
AP41
AN40

AG42
AG41
AG40
AL41
AL42
AF39
AE40
AM41
AM42
AF41
AF42

AC42
AC41
AC40
AD40
AD43
AA39
AA40
AE42
AE41
AB41
AB42

DQSA0

-DQSA0
DMA0
MDA0
MDA1
MDA2
MDA3
MDA4
MDA5
MDA6
MDA7

DQSA1

-DQSA1
DMA1
MDA8
MDA9
MDA10
MDA11
MDA12
MDA13
MDA14
MDA15

DQSA2

-DQSA2
DMA2
MDA16
MDA17
MDA18
MDA19
MDA20
MDA21
MDA22
MDA23

DQSA3

-DQSA3
DMA3
MDA24
MDA25
MDA26
MDA27
MDA28
MDA29
MDA30
MDA31

DQSA4

-DQSA4
DMA4
MDA32
MDA33
MDA34
MDA35
MDA36
MDA37
MDA38
MDA39

DQSA5

-DQSA5
DMA5
MDA40
MDA41
MDA42
MDA43
MDA44
MDA45
MDA46
MDA47

DQSA6

-DQSA6
DMA6
MDA48
MDA49
MDA50
MDA51
MDA52
MDA53
MDA54
MDA55

DQSA7

-DQSA7
DMA7
MDA56
MDA57
MDA58
MDA59
MDA60
MDA61
MDA62
MDA63

4

MAAB0
MAAB1
MAAB2
MAAB3
MAAB4
MAAB5
MAAB6
MAAB7
MAAB8
MAAB9
MAAB10
MAAB11
MAAB12
MAAB13

-SWEB

-SWEB[15,16]

SBAB0[15,16]
SBAB1[15,16]
SBAB2[15,16]

-CSB0[15,16]

-CSB1[15,16]

-CSB2[16]

-CSB3[16]

CKEB0[15,16]
CKEB1[15,16]
CKEB2[16]
CKEB3[16]

DDRVREFB

-SCASB

-SRASB

SBAB0
SBAB1
SBAB2

-CSB0

-CSB1

-CSB2

-CSB3

CKEB0
CKEB1
CKEB2
CKEB3

MODT_B0
MODT_B1
MODT_B2
MODT_B3

DCLKB0

-DCLKB0
DCLKB1

-DCLKB1
DCLKB2

-DCLKB2

SMRCOMPP
SMRCOMPN

C1283

0.1u/6/Y5V/25V/Z/X

-SCASB[15,16]

-SRASB[15,16]

DCLKB0[15]

-DCLKB0[15]
DCLKB1[15]

-DCLKB1[15]
DCLKB2[15]

-DCLKB2[15]

3

U2G

BB22

SBMA0

BB21

SBMA1

BA21

SBMA2

AY21

SBMA3

BC20

SBMA4

AY19

SBMA5

AY20

SBMA6

BA18

SBMA7

BA19

SBMA8

BB18

SBMA9

BA22

SBMA10

BB17

SBMA11

BA17

SBMA12

AW42

SBMA13

BB23

SBWE*

AY24

SBCAS*

BA23

SBRAS*

AW23

SBBA0

AY23

SBBA1

AY17

SBBA2

BA40

SBCS0*

AW41

SBCS1*

BA41

SBCS2*

AW40

SBCS3*

BA14

SBCKE0

AY16

SBCKE1

BA13

SBCKE2

BB13

SBCKE3

AY42

SBODT0

AV40

SBODT1

AV43

SBODT2

AU40

SBODT3

AM29

SBCK0

AM27

SBCK0*

AV9

SBCK1

AW9

SBCK1*

AL38

SBCK2

AL36

SBCK2*

AP26

SBCK3

AR26

BLCK3*

AU10

SBCK4

AT10

SBCK4*

AJ38

SBCK5

AJ36

SBCK5*

AL39

RSV

AM2

SMVREF1

AK23

RSV_TP(2)

AM3

SM_OCDCOMP_1

AJ8

SM_OCDCOMP_0

AJ6

SM_RCOMP1

AL5

SM_RCOMP0

945G/A2/[10HB1-033000-22R]

SBDQS0

SBDQS0*

SBDM0
SBDQ0
SBDQ1
SBDQ2
SBDQ3
SBDQ4
SBDQ5
SBDQ6
SBDQ7

SBDQS1

SBDQS1*

SBDM1
SBDQ8

SBDQ9
SBDQ10
SBDQ11
SBDQ12
SBDQ13
SBDQ14
SBDQ15

SBDQS2

SBDQS2*

SBDM2
SBDQ16
SBDQ17
SBDQ18
SBDQ19
SBDQ20
SBDQ21
SBDQ22
SBDQ23

SBDQS3

SBDQS3*

SBDM3
SBDQ24
SBDQ25
SBDQ26
SBDQ27
SBDQ28
SBDQ29
SBDQ30
SBDQ31

SBDQS4

SBDQS4*

SBDM4
SBDQ32
SBDQ33
SBDQ34
SBDQ35
SBDQ36
SBDQ37
SBDQ38
SBDQ39

SBDQS5

SBDQS5*

SBDM5
SBDQ40
SBDQ41
SBDQ42
SBDQ43
SBDQ44
SBDQ45
SBDQ46
SBDQ47

SBDQS6

SBDQS6*

SBDM6
SBDQ48
SBDQ49
SBDQ50
SBDQ51
SBDQ52
SBDQ53
SBDQ54
SBDQ55

SBDQS7

SBDQS7*

SBDM7
SBDQ56
SBDQ57
SBDQ58
SBDQ59
SBDQ60
SBDQ61
SBDQ62
SBDQ63

AM8
AM6
AL11
AL6
AL8
AP8
AP9
AJ11
AL9
AM10
AP6

AV7
AR9
AW7
AU7
AV6
AV12
AM11
AR5
AR7
AR12
AR10

AV13
AT13
AP13
AM15
AM13
AV15
AM17
AN12
AR13
AP15
AT15

AU23
AR23
AP23
AM24
AM23
AV24
AM26
AP21
AR21
AP24
AT24

AT29
AV29
AR29
AU27
AN29
AR31
AM31
AP27
AR27
AP31
AU31

AP36
AM35
AR38
AP35
AP37
AN32
AL35
AR35
AU38
AM38
AM34

AG34
AG32
AJ39
AL34
AJ34
AF32
AF34
AL31
AJ32
AG35
AD32

AD36
AD38
AD39
AC32
AD34
Y32
AA32
AF35
AF37
AC33
AC35

DQSB0

-DQSB0
DMB0
MDB0
MDB1
MDB2
MDB3
MDB4
MDB5
MDB6
MDB7

DQSB1

-DQSB1
DMB1
MDB8
MDB9
MDB10
MDB11
MDB12
MDB13
MDB14
MDB15

DQSB2

-DQSB2
DMB2
MDB16
MDB17
MDB18
MDB19
MDB20
MDB21
MDB22
MDB23

DQSB3

-DQSB3
DMB3
MDB24
MDB25
MDB26
MDB27
MDB28
MDB29
MDB30
MDB31

DQSB4

-DQSB4
DMB4
MDB32
MDB33
MDB34
MDB35
MDB36
MDB37
MDB38
MDB39

DQSB5

-DQSB5
DMB5
MDB40
MDB41
MDB42
MDB43
MDB44
MDB45
MDB46
MDB47

DQSB6

-DQSB6
DMB6
MDB48
MDB49
MDB50
MDB51
MDB52
MDB53
MDB54
MDB55

DQSB7

-DQSB7
DMB7
MDB56
MDB57
MDB58
MDB59
MDB60
MDB61
MDB62
MDB63

2

MODT_B[0..3]

MODT_B[0..3] [15,16]

R52

0/6/SHT/X

DDR18V

DDR18V

DDR18V

-DQSB[0..7][15]

MAAB[0..13][15,16]

MDB[0..63][15]

DQSB[0..7][15]

MAAA[0..13][14,16]

MDA[0..63][14]

DQSA[0..7][14]

-DQSA[0..7][14]

R50
1K/6/1

R51
1K/6/1

1u/6/Y5V/10V/Z

R53
1K/6/1

R54
1K/6/1

1u/6/Y5V/10V/Z

R55 80.6/6/1
BC27

0.1u/6/Y5V/25V/Z

R56 80.6/6/1

DMB[0..7][15]

DMA[0..7][14]

BC23

BC25

1

DDRVREFA

BC24

0.1u/6/Y5V/25V/Z

DDRVREFB

BC26

0.1u/6/Y5V/25V/Z

SMRCOMPN

SMRCOMPP

-DQSB[0..7]

MAAB[0..13]

DMB[0..7]

MDB[0..63]

DQSB[0..7]

MAAA[0..13]

DMA[0..7]

MDA[0..63]

DQSA[0..7]

-DQSA[0..7]

2

NB_HS/[12SP2-04F003-61]

5

Title

Size Document Number Rev
Custom

4

3

2

Date: Sheet

Gigabyte Technology

GMCH-DDRII

8I945GME

of

1

933Monday, October 31, 2005

1.0

5

D D

U2B

4

3

2

1

EXP_A_RXP0
EXP_A_RXN0
EXP_A_RXP1
EXP_A_RXN1
EXP_A_RXP2
EXP_A_RXN2
EXP_A_RXP3
EXP_A_RXN3
EXP_A_RXP4
EXP_A_RXN4
EXP_A_RXP5
EXP_A_RXN5
EXP_A_RXP6
EXP_A_RXN6
EXP_A_RXP7
EXP_A_RXN7
EXP_A_RXP8
EXP_A_RXN8

C C

SRCCLK_MCH[21]

B B

-SRCCLK_MCH[21]

EXP_A_RXP9
EXP_A_RXN9
EXP_A_RXP10
EXP_A_RXN10
EXP_A_RXP11
EXP_A_RXN11
EXP_A_RXP12
EXP_A_RXN12
EXP_A_RXP13
EXP_A_RXN13
EXP_A_RXP14
EXP_A_RXN14
EXP_A_RXP15
EXP_A_RXN15

GRCOMP

G12

EXPARXP0

F12

EXPARXN0

D11

EXPARXP1

D12

EXPARXN1

J13

EXPARXP2

H13

EXPARXN2

E10

EXPARXP3

F10

EXPARXN3

J9

EXPARXP4

H10

EXPARXN4

F7

EXPARXP5

F9

EXPARXN5

C4

EXPARXP6

D3

EXPARXN6

G6

EXPARXP7

J6

EXPARXN7

K9

EXPARXP8

K8

EXPARXN8

F4

EXPARXP9

G4

EXPARXN9

M6

EXPARXP10

M7

EXPARXN10

K2

EXPARXP11

L1

EXPARXN11

U11

EXPARXP12

U10

EXPARXN12

R8

EXPARXP13

R7

EXPARXN13

P4

EXPARXP14

N3

EXPARXN14

Y10

EXPARXP15

Y11

EXPARXN15

AC12

EXPCOMPO

AC11

EXPCOMPI

B14

GCLKP

B16

GCLKN

945G/A2/[10HB1-033000-22R]

EXPATXP0
EXPATXN0
EXPATXP1
EXPATXN1
EXPATXP2
EXPATXN2
EXPATXP3
EXPATXN3
EXPATXP4
EXPATXN4
EXPATXP5
EXPATXN5
EXPATXP6
EXPATXN6
EXPATXP7
EXPATXN7
EXPATXP8
EXPATXN8
EXPATXP9

EXPATXN9
EXPATXP10
EXPATXN10
EXPATXP11
EXPATXN11
EXPATXP12
EXPATXN12
EXPATXP13
EXPATXN13
EXPATXP14
EXPATXN14
EXPATXP15
EXPATXN15

DMITXP0
DMITXN0
DMITXP1
DMITXN1
DMITXP2
DMITXN2
DMITXP3
DMITXN3

DMIRXP0
DMIRXN0
DMIRXP1
DMIRXN1
DMIRXP2
DMIRXN2
DMIRXP3
DMIRXN3

D14
C13
A13
B12
A11
B10
C10
C9
A9
B7
D7
D6
A6
B5
E2
F1
G2
J1
J3
K4
L4
M4
M2
N1
P2
T1
T4
U4
U2
V1
V3
W4

W2
Y1
AA2
AB1
Y4
AA4
AB3
AC4
Y7
Y8
AA9
AA10
AA6
AA7
AC9
AC8

EXP_A_TXP0
EXP_A_TXN0
EXP_A_TXP1
EXP_A_TXN1
EXP_A_TXP2
EXP_A_TXN2
EXP_A_TXP3
EXP_A_TXN3
EXP_A_TXP4
EXP_A_TXN4
EXP_A_TXP5
EXP_A_TXN5
EXP_A_TXP6
EXP_A_TXN6
EXP_A_TXP7
EXP_A_TXN7
EXP_A_TXP8
EXP_A_TXN8
EXP_A_TXP9
EXP_A_TXN9
EXP_A_TXP10
EXP_A_TXN10
EXP_A_TXP11

EXP_A_TXN11
EXP_A_TXP12
EXP_A_TXN12
EXP_A_TXP13
EXP_A_TXN13
EXP_A_TXP14
EXP_A_TXN14
EXP_A_TXP15
EXP_A_TXN15

DMI_0TXP
DMI_0TXN
DMI_1TXP
DMI_1TXN
DMI_2TXP
DMI_2TXN
DMI_3TXP
DMI_3TXN

DMI_0RXP
DMI_0RXN
DMI_1RXP
DMI_1RXN
DMI_2RXP
DMI_2RXN
DMI_3RXP
DMI_3RXN

DMI_0TXP [18]
DMI_0TXN [18]
DMI_1TXP [18]
DMI_1TXN [18]
DMI_2TXP [18]
DMI_2TXN [18]
DMI_3TXP [18]
DMI_3TXN [18]
DMI_0RXP [18]
DMI_0RXN [18]
DMI_1RXP [18]
DMI_1RXN [18]
DMI_2RXP [18]
DMI_2RXN [18]
DMI_3RXP [18]
DMI_3RXN [18]

VCC1_5

EXP_A_TXP[0..15]
EXP_A_TXN[0..15]

EXP_A_RXP[0..15]
EXP_A_RXN[0..15]

R1549

0/1210

EXP_A_TXP[0..15] [17]
EXP_A_TXN[0..15] [17]

EXP_A_RXP[0..15] [17]
EXP_A_RXN[0..15] [17]

VCC1_5PCIEX

BC28
10u/12/X7R/6.3V/K

VCC1_5PCIEX

R59

24.9/6/1

GRCOMP

VCC1_5PCIEX [13]

A A

Title

Size Document Number Rev
Custom

5

4

3

2

Date: Sheet

Gigabyte Technology

GMCH-PCI E & DMI

8I945GME

10 33Monday, October 31, 2005

1

of

1.0