MSI MS-7301 Schematic 0411

A

B

C

D

E

MS7301 Version:0A

TITLE

4 4

3 3

2 2

COVER SHEET
BLOCK DIAGRAM
PWR MAP/CLOCK MAP
GPIO/MEMORY/PCI/HW STRPPING
PROCESSOR (LGA775)
NORTH BRIDGE P4M890
SOUTH BRIDGE VT8237A
CLOCK GEN. & Buffer
SYS MEM-DDRII
PCI-Express Slot x16 / x1
PCI 1 & 2
Audio - ALC883
LAN-VT6103L
SATA RAID VT6421
IDE & SATA
USB-REAR & FRONT
1394-VT6307 COLAY VT6308P

SHEET

1

2

3

4

5-7

8-11

12-14

15

16

17

18

19

20

21

22

23

24

CPU:

Intel LGA775

System Chipset:

PT890/P4M900 (North Bridge)
VT8237A (South Bridge)

On Board Chipset:

BIOS -- LPC ROM
Audio - ALC883
LPC Super I/O -- W83627EHG
LAN --VT6103L
CLOCK --ICS9LPR700AGLF

Main Memory:

single-channel --DDRII*2

Expansion Slots:

PCI Express X16 * 1
PCI Express X1 * 1
PCI 2.2Slot * 2

LPC IO-W83627EHG & BIOS
KB/MS & FAN & VGA

VRM- Intersil 6312
MS7 ACPI CONTROLLER
BULK/Decopuling/ATX POWER CONNECTOR / FRONT PANEL

HISTORY

1 1

A

Manual Part

B

25

26

27

28

29

30

31

PWM(VRM11/FMB 05B):

Intersil 6312

Micro Star Restricted Secret

Title

COVER SHEET

Document Number

MICRO-STAR INT'L CO.,LTD.

No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan

C

D

http://www.msi.com.tw

MS-7301

E

Last Revision Date:

Tuesday, April 11, 2006

Sheet

131

Rev

0A

of

1

Block Diagram

VRM 11

Intersil 6312

Intel LGA775 Processor

3-Phase PWM

FSB

2 DDRII
PCI-Express
X16

X16

P4M890

single channel

DIMM

Modules

/PT890

PCI-Express
X1

X1

Keyboard

Mouse

IDE Primary

A A

IDE Secondary

UltraDMA 33/66/100

USB Port 0

USB Port 1

USB Port 2

USB

USB Port 3

USB Port 4

USB Port 5

USB Port 6

/P4M900

VT8237A

SATA RAID

V-Link

PCI BUS

PCI BUS

PCI BUS

LPC Bus

VT6421

PCI Slot

1&2

1394
VT6307/6308

LPC SIO
Winbond

83627EHG/DHG

USB Port 7

HD Codec
ALC883/888

AZ Link

LAN --VT6103

SATA 1 2

1

ParallelFlash

Serial

Title

Document Number

MICRO-STAR INT'L CO.,LTD.

No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan
http://www.msi.com.tw

Micro Star Restricted Secret

BLOCK DIAGRAM

MS-7301

Last Revision Date:
Sheet

Rev

0A

Tuesday, April 11, 2006

231

of

8

7

6

5

4

3

2

1

P4M890 PLATFORM CLOCK GENERATOR MAP

P4M890 PLATFORM POWER DELIVERY MAP

3.3V 5V 5VSB 12V

Intel LGA775 Processor

D D

CPU HOST
CLK

66MHZ
DCLKO
DCLKI
PCI-E CLK

North Bridge
P4M890

GUICLK-14.318MHZ

PCI-E CLK

PCI-E CLK

C C

CLOCK GENERATOR

MEM CLK

PCI-E x16 Slot 1

PCI-E x1 Slot 2

DDRII Dimm Slot1,2

25MHZ

14.318MHZ

66MHZ
48MHZ

Sorth Bridge

VT8237A

PCI CLK

VRM

3VSB VREG

1.5VSB
VREG

DDRII 1.8
VREG

2.5V VREG

2.5VSB
VREG

1.2V VREG

1.5V VREG

VTT 0.9V
VREG

PROCESSOR VCCP

PROCESSOR 1.2V

NORTH BRIDGE VCC_PCIX
NORTH BRIDGE VCCP
NORTH BRIDGE NBVCC15
NORTH BRIDGE +2.5V

NORTH BRIDGE SYSEM MEM

1.8V VCC_DDR
NORTH BRIDGE RESUME 1.5V_SB

DDR DIMM1 / DIMM2 1.8V
DDR VTT 0.9V

SOUTH BRIDGE +2.5V
SOUTH BRIDGE VCC3
SOUTH BRIDGE RESUME 2.5V_SB
SOUTH BRIDGE RESUME VCC3_SB
SOUTH BRIDGE RTC 3.3V

B B

PCI CLK

PCI Slot 1&2

LAN-PHY VCC3_SB

BIOS 3V

25MHZ

PCI CLK

SATA RAID
VT6421A

LPC SUPER I/O 3.3V
LPC SUPER I/O VCC5

CLK 3.3V

PCI CLK

48MHZ

A A

PCI CLK

1394

VT6307/6308

Winbond

83627EHG

HD CODEC VDD5
VREG

DDR BUFFER +2.5V

HD CODEC VDD5

SATA RAID 3.3V
SATA RAID +2.5V

LAN

25MHZ

8

7

VT6103L

6

5

4

3

2

Micro Star Restricted Secret

Title

PWR AND CLOCK MAP

Document Number

MICRO-STAR INT'L CO.,LTD.

No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan
http://www.msi.com.tw

MS-7301

Last Revision Date:

Tuesday, April 11, 2006

Sheet

331

1

Rev

0A

of

1

SB-VT8237A

GPI 0
GPI 1
GPO 0
GPO 1 O
GPIO A
GPIO B
GPIO C
GPIO D

A A

I

GPI 0

I

SB_THERMTRIP#

O

FAN_CTRL1
FAN_CTRL

I/O

Vlink auto compensation

I/O

IOQ Depth

I/O

HOST CLOCK

I/O

GTL pullup

FunctionTypeGPIO Pin

Power well

RESUME
RESUME
RESUME
RESUME
MAIN
MAIN
MAIN
MAIN

PCI Config.

DEVICE

PCI Slot 1

PCI Slot 2

SATA RAID

1394

IDSEL

CLOCKREQ#/GNT#

CLK GEN PIN OUTMCP1 INT Pin

PIRQ#A
PIRQ#B
PIRQ#C

PREQ#0
PGNT#0

AD20

PCICLK1

5 (PCI_CLK2)

PIRQ#D
PIRQ#B
PIRQ#C
PIRQ#D PGNT#1

PREQ#1

AD21

PCICLK2

6 (PCI_CLK3)

PIRQ#A

PREQ#2

PIRQ#E

PIRQ#F 1394_PCLK 1 (PCI_CLK1)

PGNT#2

PREQ#3
PGNT#3

AD22

AD19

SATA_PCLK 7 (PCI_CLK4)

DDR DIMM Config.

DEVICE

DIMM 1 MDCLKA0/A#0

DIMM 2

1010000B

1010001B

CLOCKADDRESS

MDCLKA1/A#1
MDCLKA2/A#2
MDCLKB0/B#0
MDCLKB1/B#1
MDCLKB2/B#2

PCI RESET DEVICE

Signals

PCIRST#

PCIRST#2
HDRST#

Source

SB
MS7
MS7
MS7

Target
MS7
NB & SATA RAID &1394 & SPIO & BIOSPCIRST#1
PCI slot 1-2 & PCIE 1-2
Primary, Scondary IDE

Micro Star Restricted Secret

Title

General Purpose Spec

Document Number

MICRO-STAR INT'L CO.,LTD.

No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan

1

http://www.msi.com.tw

MS-7301

Last Revision Date:

Tuesday, April 11, 2006

Sheet

431

Rev

0A

of

8

7

6

5

4

3

2

1

HA#5

HA#3

HA#6

HA#4

L5

D20#D7D19#E9D18#F9D17#F8D16#G9D15#

D11

HD#17

HD#18

HD#14

HD#19

HD#16

HD#15

R118 X_62R/4

AC2

AN3

AN4

AN5

DBR#

RSVD

RSVD

VCC_SENSE

D14#

D13#

D12#D8D11#

D10#

B12

B10

C12

C11

HD#11

HD#13

HD#9

HD#10

HD#12

AJ3

AK3

AN6

ITP_CLK1

ITP_CLK0

VSS_SENSE

D9#

D8#

D7#A7D6#B7D5#B6D4#A5D3#C6D2#A4D1#C5D0#

A11

A10

HD#5

HD#6

HD#7

HD#8

CPU SIGNAL BLOCK

D D

HDBI#[0..3]8

CPU_GTLREF36

HIERR#6

FERR#6,14

STPCLK#14

HINIT#14

HDBSY#8

HDRDY#8

HTRDY#8

C C

SLP#8,14

H_BPM#1

VTT_OUT_LEFT

VTT_OUT_RIGHT

B B

R638 X_51R1%0402

BSEL06,15
BSEL16,15
BSEL26,15

HADS#8

HLOCK#8

HBNR#8

HIT#8

HITM#8

HBPRI#8

HDEFER#8

TMP_CPUTIN25

TMP_GND25

PROCHOT#6

IGNNE#14

SMI#14

A20M#14

SLP#

R135 0R0402

R641 X_1KR/0402

R625 X_0R0402

CPU_GTLREF46

R120 1KR/0402

C70 X_C0.1U16Y0402

CPU_GD6,28

CPURST#6,8

HD#[0..63]8

A A

HA#[3..31]8

HDBI#0
HDBI#1
HDBI#2
HDBI#3

FERR#
STPCLK#

HINIT#

H_TDI
H_TDO
H_TMS
H_TRST#
H_TCK

THERMTRIP#

PROCHOT#

IGNNE#
SMI#
A20M#

SSLP#

VIA2

CPU_BOOT

T5

HD#63
HD#62
HD#61
HD#60
HD#59
HD#58
HD#57
HD#56
HD#55
HD#54

G11
D19
C20

AB2
AB3

AD3

AD1
AF1
AC1
AG1
AE1
AL1
AK1

AE8
AL2

AH2
AE6
G10

D16
A20

AA2
G29

H30
G30

G23
B22

A22
A19
B19
B21
C21
B18
A17
B16
C18

A8

F2

R3
M3

P3

H4

B2

C1

E3

D2
C3
C2
D4

E4
G8
G7

M2

N2

P2

K3

L2

N5
C9

Y1

V2

N1

CPU1A

DBI0#
DBI1#
DBI2#
DBI3#

EDRDY#
IERR#
MCERR#
FERR#/PBE#
STPCLK#
BINIT#
INIT#
RSP#

DBSY#
DRDY#
TRDY#

ADS#
LOCK#
BNR#
HIT#
HITM#
BPRI#
DEFER#

TDI
TDO
TMS
TRST#
TCK
THERMDA
THERMDC
THERMTRIP#
GND/SKTOCC#
PROCHOT#
IGNNE#
SMI#
A20M#
SLP#

RSVD
RESERVED0
RESERVED1
RESERVED2
RESERVED3
RESERVED4
RESERVED5

BOOTSELECT
LL_ID0
LL_ID1

BSEL0
BSEL1
BSEL2

PWRGOOD
RESET#
D63#

D62#
D61#
D60#
D59#
D58#
D57#
D56#
D55#
D54#

B15

HD#53

D53#

C14

HD#52

D52#

C15

HD#51

D51#

A14

HD#50

D50#

D17

HD#49

AJ6

D49#

D20

HD#48

AJ5

A35#

D48#

G22

HD#47

AH5

A34#

D47#

D22

HD#46

AH4

A33#

D46#

E22

HD#45

HA#31

AG5

A32#

D45#

G21

HD#44

HA#30

AG4

A31#

D44#

F21

HD#43

HA#29

AG6

A30#

D43#

E21

HD#42

HA#28

AF4

A29#

D42#

F20

HD#41

HA#27

AF5

A28#

D41#

E19

HD#40

HA#26

AB4

A27#

D40#

E18

HD#39

HA#25

AC5

A26#

D39#

F18

HD#38

HA#24

AB5

A25#

D38#

F17

HD#37

HA#23

AA5

A24#

D37#

G17

HD#36

HA#22

AD6

A23#

D36#

G18

HD#35

HA#21

AA4

A22#

D35#

E16

HD#34

A21#

D34#

HA#18

HA#20

HA#19

A20#Y4A19#Y6A18#W6A17#

D33#

D32#

D31#

E15

G16

G15

HD#33

HD#32

HD#31

HA#16

HA#13

HA#14

HA#15

HA#17

AB6

A16#W5A15#V4A14#V5A13#U4A12#U5A11#T4A10#

D30#

D29#

D28#

D27#

D26#

F15

F14

E13

G14

G13

HD#26

HD#29

HD#27

HD#28

HD#30

HA#12

HA#11

D25#

D13

HD#25

HD#24

F12

HA#10

U6

D24#

F11

HD#23

HA#8

HA#7

HA#9

A9#T5A8#R4A7#M4A6#L4A5#M5A4#P6A3#

D23#

D22#

D21#

E10

D10

HD#20

HD#21

HD#22

HD#4

VID6

AM5

HD#3

VID5

AL4

VID6#

HD#2

VID4

VID3

AK4

AL6

VID5#

VID4#

TESTHI12
TESTHI11
TESTHI10

LINT1/NMI

LINT0/INTR

B4

HD#1

HD#0

VID3#

GTLREF0

ADSTB1#
ADSTB0#
DSTBP3#
DSTBP2#
DSTBP1#
DSTBP0#
DSTBN3#
DSTBN2#
DSTBN1#
DSTBN0#

VTT_OUT_RIGHT

VCC_VRM_SENSE 27
VSS_VRM_SENSE 27

VID2

VID0

VID1

AM3

AL5

AM2

VID2#

VID1#

VID0#

H1

AG3

BPM5#

AF2

BPM4#

AG2

BPM3#

AD2

BPM2#

AJ1

BPM1#

AJ2

BPM0#

G5

PCREQ#

J6

REQ4#

K6

REQ3#

M6

REQ2#

J5

REQ1#

K4

REQ0#

W2
P1
H5
G4

TESTHI9

G3

TESTHI8

F24

TESTHI7

G24

TESTHI6

G26

TESTHI5

G27

TESTHI4

G25

TESTHI3

F25

TESTHI2

W3

TESTHI1

F26

TESTHI0

AK6

RSVD

G6

RSVD

G28

BCLK1#

F28

BCLK0#

A3

RS2#

F5

RS1#

B3

RS0#

U3

AP1#

U2

AP0#

F3

BR0#

R1

COMP3

G2

COMP2

T1

COMP1

A13

COMP0

J17

DP3#

H16

DP2#

H15

DP1#

J16

DP0#

AD5
R6
C17
G19
E12
B9
A16
G20
G12
C8

L1
K1

ZIF-SOCK775-15u

VID6 27
VID5 27
VID4 27
VID3 27
VID2 27
VID1 27
VID0 27

CPU_GTLREF0

H_BPM#5
H_BPM#4
H_BPM#3
H_BPM#2
H_BPM#1
H_BPM#0

HREQ#4
HREQ#3
HREQ#2
HREQ#1
HREQ#0

H_TESTHI12
H_TESTHI11
H_TESTHI10
H_TESTHI9
H_TESTHI8

H_TESTHI2_7
H_TESTHI1
H_TESTHI0
RSVD_AK6
RSVD_G6

HRS#2
HRS#1
HRS#0

HBR#0

H_COMP3
H_COMP2
H_COMP1
H_COMP0

NMI_SB
INTR

CPU_GTLREF0 6

R626 X_0R0402
R627 X_0R0402

H_BPM#0 7
PCREQ# 25

HREQ#[0..4] 8

R148 62R/4

H_TESTHI0 8

R173 62R/4
R126 62R/4
R171 62R/4
R100 X_62R/4
R142 X_62R/4

CPUCLK# 15
CPUCLK 15

HRS#[0..2] 8

-HAP0 8
HBR#0 6,8

R131 X_100R1%0402
R146 X_100R1%0402

R127 60.4R1%4
R159 60.4R1%4

HADSTB#1 8
HADSTB#0 8
HDSTBP#3 8
HDSTBP#2 8
HDSTBP#1 8
HDSTBP#0 8
HDSTBN#3 8
HDSTBN#2 8
HDSTBN#1 8
HDSTBN#0 8

NMI_SB 14
INTR 14

H_TESTHI8
H_TESTHI9

VTT_OUT_LEFT

V_FSB_VTT

VTT_OUT_RIGHT

VTT_OUT_LEFT

C75

X_C0.1U16Y0402

VID1
VID2
VID3
VID4
VID0
VID5
VID6

A20M#
SMI#
HINIT#
IGNNE#
INTR
SLP#
NMI_SB
STPCLK#

R60 680R04
R66 680R04
R70 680R04
R73 680R04
R56 680R04
R74 680R04
R76 680R04

RN9 8P4R-62R/4

1
3
5
7
1
3
5
7

RN11 8P4R-62R/4

H_BPM#3

RN3 8P4R-51R/4

H_BPM#5
H_BPM#0
H_BPM#1
H_TDI
H_BPM#2
H_TDO
H_BPM#4

1
3
5
7
1
3
5
7

RN4 8P4R-51R/4

PLACE BPM TERMINATION NEAR CPU

V_FSB_VTT

R474 2.7KR0402

H_TMS

H_TESTHI11
H_TESTHI12
H_TESTHI9
H_TESTHI10

H_TCK
H_TRST#
H_COMP3
H_COMP2

R493

X_10KR04

R119 49.9R1%/4

RN13

1
3
5
7

8P4R-62R/4

R113 49.9R1%/4
R106 49.9R1%/4
R132 60.4R1%4
R145 60.4R1%4

SB_THERMTRIP#

Q31
N-PMBS3904_SOT23

C562

THERMTRIP#

X_C0.1U16Y0402

2
4
6
8
2
4
6
8

2
4
6
8
2
4
6
8

2
4
6
8

VTT_OUT_RIGHT

C68 C0.1U16Y0402
C67 C0.1U16Y0402

VTT_OUT_LEFT

SB_THERMTRIP# 13

V_FSB_VTT

R196 62R/4

Micro Star Restricted Secret

Title

Intel LGA775 CPU - Signals

Document Number

MICRO-STAR INT'L CO.,LTD.

No. 69, Li-De St, Jung-He City,

Taipei Hsien, Taiwan

8

7

6

5

4

3

http://www.msi.com.tw

2

MS-7301

Last Revision Date:

Tuesday, April 11, 2006

Sheet

531

1

Rev

0A

of

8

7

6

5

4

3

2

1

VCCP

AH27

AH26

AH25

AH22

AH21

AH19

AH18

AH15

AH14

AH12

AH11

AG9

AG8

AG30

AG29

AG28

AG27

AG26

AG25

AG22

AG21

AG19

AG18

AG15

AG14

AG12

AG11

AF9

AF8

AF22

AF21

AF19
AF18
AF15
AF14
AF12
AF11

AE23
AE22
AE21
AE19
AE18
AE15
AE14
AE12
AE11

AD30
AD29
AD28
AD27
AD26
AD25
AD24
AD23

AC30
AC29
AC28
AC27
AC26
AC25
AC24
AC23

AE9

AD8

AC8

AB8
AA8

VCCP

CPU1B

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

VCCU8VCCV8VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCCW8VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

Y8

Y30

Y23

Y24

Y25

Y26

Y27

Y28

Y29

W30

W29

W28

W27

W26

W25

W24

W23

U26

U27

U28

U29

U30

VCCP

D D

C C

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

AM11

AM12

AM14

AM15

AM18

AM19

AM21

AM22

AM25

AM26

AM29

AM30

AM8

AM9

AN11

AN12

AN14

AN15

AN18

AN19

AN21

AN22

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

VCCA
VSSA
RSVD

VCC-IOPLL

VTTPWRGD

VTT_OUT
VTT_OUT

VTT_SEL

RSVD/VTT_PKGSENSE

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

VCCJ8VCCJ9VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCCK8VCCL8VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCCM8VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCCN8VCCP8VCCR8VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCCT8VCC

VCC

VCC

J10

J11

J12

J13

J14

J15

J18

J19

J20

J21

J22

J23

J24

J25

J26

J27

J28

J29

T30

U23

U24

U25

N30

N23

N24

N25

N26

N27

N28

N29

M24

M25

M26

M27

M28

M29

M30

K27

K28

K29

K30

M23

T23

T24

T25

T26

T27

T28

T29

J30

K23

K24

K25

K26

AN9

AN8

AN30

AN29

AN26

HS11HS22HS33HS4

AN25

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

4

H_VCCA

A23

H_VSSA

B23

H_VCCPLL

D23

H_VCCA

C23

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

VTT_PWG

AM6
AA1

J1

VTT_SEL

F27
F29

ZIF-SOCK775-15u

V_FSB_VTT

R177 X_1KR/0402

VTT_OUT_RIGHT
VTT_OUT_LEFT

VCC3

0
1

V_FSB_VTT

C97 C0.1U16Y0402
C104 C1U16Y
C125 10U10Y/8
C110 X_10U10Y/8

CAPS FOR FSB GENERIC

TEJ/PSC

RSVD

PROCHOT#

CPU_GD
HBR#0
CPURST#

CPU_GTLREF0

C78

C220P50N04

CPU_GTLREF1

C76

C220P50N04

CPU_GTLREF3

C680

C220P50N04

PROCHOT# 5

CPU_GD 5,28
HBR#0 5,8
CPURST# 5,8

CPU_GTLREF0 5

CPU_GTLREF1 7

CPU_GTLREF3 5

6

V_FSB_VTT

R633 124R1%04

R635

210R1%04

PLACE COMPONENTS AS CLOSE AS POSSIBLE TO PROCESSOR SOCKET
TRACE WIDTH TO CAPS MUST BE SMALLER THAN 12MILS

V_FSB_VTT

L4 X_10U100m_0805

CP13
X_COPPER

R630 10R/4

C678

C1U16Y

VTT_OUT_RIGHT

VCC5_SB

R28

R29

1KR/0402

VID_GD#28

R41 10KR/4

5

680R/4

VTT_PWG

Q2
N-PMBS3904_SOT23

CPU_GTLREF4

C681

C220P50N04

C98

10U10Y/8

1.25V VTT_PWRGOOD

VTT_PWG 27

4

CPU_GTLREF4 5

H_VSSA

C105

X_C1U16Y

H_VCCA

FERR#
HIERR#

BSEL2
BSEL0
BSEL1

H_VCCPLL

C677

C0.1U16Y0402

FERR# 5,14
HIERR# 5

BSEL2 5,15
BSEL0 5,15
BSEL1 5,15

R628 0R0402

1.5V

C676

10U10Y/8

FSBSEL RESISTOR CAN BE REMOVED IF ONLY TEJAS
AND CEDAR MILL ARE SUPPORTED

RN7

1

V_FSB_VTT

2

3

4

5

6

7

8

8P4R-62R/4

RN20

1

V_FSB_VTT

2

3

4

5

6

7

8

8P4R-470R/4

Micro Star Restricted Secret

Title

Intel LGA775 CPU - Power

Document Number

MICRO-STAR INT'L CO.,LTD.

No. 69, Li-De St, Jung-He City,

Taipei Hsien, Taiwan

3

http://www.msi.com.tw

2

MS-7301

Last Revision Date:

Tuesday, April 11, 2006

Sheet

631

1

Rev

0A

of

R144 10R/4

C77

C1U16Y

R137 10R/4

C79

C1U16Y

R631 10R/4

C679

C1U16Y

7

VTT_OUT_RIGHT

VTT_OUT_LEFT

8

R140 124R1%04

R139 124R1%04

R632 124R1%04

R143

210R1%04

R141

210R1%04

R636

210R1%04

R65 120R/4

R134 100R0402
R150 62R/4
R169 62R/4

VTT_OUT_RIGHT

B B

VTT_OUT_RIGHT

VTT_OUT_LEFT

A A

8

7

6

5

4

3

2

1

V30

VSS

AH17

VSSV3VSS

VSS

AH20

V29

VSS

AH23

V28

VSS

VSS

AH24

V27

VSS

VSS

AH3

VTT_OUT_LEFT

V26

V25

V24

V23

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

AH6

AH7

AJ10

AJ13

R639

X_51R1%0402

VSSU7VSSU1VSST7VSST6VSST3VSSR7VSSR5VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

AJ16

AJ17

AJ20

AJ23

AJ24

AJ27

AJ28

R30

AJ29

VSS

R29

AJ30

VSS

VSS

GTL_DET 8

H17

H18

H19

H20

H21

H22

H23

H24

H25

H26

H27

AM7

VID7#

AN1

VSS

VSS

AN10

VSS

AN13

VSSH3VSSH6VSSH7VSSH8VSSH9VSSJ4VSSJ7VSS

VSS

AN16

H28

H29

VSS

VSS

VSS

GTLREF_SEL

VSS

VSS

VSS

VSS

AN2

AN17

AN20

AN23

VSS

VSS

AN24

VSS

VSS

AN27

AN28

VSS

VSS

VSS

VSS

VID_SELECT

VSSB1VSS

B11

AN7

VSS

VSS

VSS

VSS

VSS

ZIF-SOCK775-15u

B14

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

H14
H13
H12
H11
H10
G1
F7
F4
F22
F19
F16
F13
F10
E8
E29
E28
E27
E26
E25
E20
E2
E17
E14
E11
D9
D6
D5
D3
D24
D21
D18
D15
D12
C7
C4
C24
C22
C19
C16
C13
C10
B8
B5
B24
B20
B17

R629 X_0R0402

T10

H_BPM#0 5

R28

R27

R26

R25

R24

R23

P30

P29

P28

P27

P26

P25

P24

P23

VSS

VSS

VSS

VSS

VSS

VSS

VSSR2VSSP7VSSP4VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSSN7VSSN6VSSN3VSSM7VSSM1VSSL7VSSL6VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

AJ4

AJ7

AK10

AK13

AK16

AK17

AK2

AK20

AK23

AK24

AK27

AK28

AK29

AK30

AK5

AK7

AL10

AL13

VSS

AL16

AL17

VSS

AL20

VSS

AL23

VSS

AL24

VSS

AL27

VSS

L30

AL28

VSS

VSSL3VSS

VSS

AL3

L29

L28

L27

VSS

VSS

VSS

VSS

VSS

AL7

AM1

AM10

L26

VSS

VSS

AM13

L25

VSS

VSS

AM16

L24

VSS

VSS

AM17

L23

VSS

VSS

AM20

VSSK7VSS

VSS

AM23

K5

VSS

AM24

K2

VSS

AM27

VSS

AM28

VSS

AM4

D D

VIA1

COMP8

COMP4

COMP5

MSID1

MSID0

RSVDJ3RSVDN4RSVD

COMP4

VSS

VSS

AF3

AF30

VSS

P5

AF6

VSS

T2

COMP5

VSS

AF7

AG10

COMP6

Y3

W1

MSID1V1MSID0

COMP6

VSS

VSS

VSS

AG13

AG16

VSSY7VSSY5VSSY2VSSW7VSSW4VSSV7VSSV6VSS

VSS

VSS

VSS

VSS

AG7

AG17

AG20

AG23

AG24

VSS

AH1

VSS

VSS

AH10

VSS

AH13

VSS

AH16

CS_GTLREF

COMP7

AE3

AC4

AE4

D14

E23

RSVD

VSS

AE30

COMP7

VSS

AE5

AE7

RSVD

VSS

AF10

RSVDD1RSVD

VSS

VSS

AF13

AF16

E24

RSVD

VSS

AF17

CPU1C

A12

VSS

A15

VSS

A18

VSS

A2

VSS

A21

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

AC3
AC6
AC7
AD4
AD7

AE2

VSS

A24

VSS

A6

VSS

A9

VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS

AA3

VSS
VSS

AA6

VSS

AA7

VSS

AB1

VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS

AB7

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

R634 X_1KR/0402

C C

B B

VSS

AE29

RSVDE5RSVDE6RSVDE7RSVD

CS_GTLREF

VSS

VSS

VSS

VSS

AF20

AF23

AF24

F23

AF25

VSS

AF26

CPU_GTLREF1

B13

H2

RSVDF6RSVD

VSS

VSS

AF27

AF28

J2

GTLVREF1

VSS

AF29

4

T11

R175 0R0402

R125 62R/4
R124 62R/4

VTT_OUT_LEFT VTT_OUT_RIGHT

COMP6

R123 60.4R1%/4

COMP7
COMP4
COMP5

R136 60.4R1%/4
R130 60.4R1%/4

R54 X_680R04 R59 680R04

COMP8
VIA1

A A

8

7

6

VID_SELECT

R116 60.4R1%/4
R84 680R04

R637 X_24.9R1%0402
R640 X_1KR/0402

5

CS_GTLREF

MSID1
MSID0

CPU_GTLREF1VID7
GTLVREF_NB

VID7

CPU_GTLREF1 6
GTLVREF_NB 8

3

VID_SELECT

VID_SELECT 27VID7 27

Micro Star Restricted Secret

Title

Intel LGA775 CPU - GND

Document Number

MICRO-STAR INT'L CO.,LTD.

No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan
http://www.msi.com.tw

2

MS-7301

Last Revision Date:

Tuesday, April 11, 2006

Sheet

731

1

Rev

0A

of

A

B

C

D

E

V_FSB_VTT

4 4

HBR#05,6

HITM#5

HIT#5

V_FSB_VTT

HA#3
HA#4
HA#5
HA#6
HA#7
HA#8
HA#9
HA#10
HA#11
HA#12
HA#13
HA#14
HA#15
HA#16
HA#17
HA#18
HA#19
HA#20
HA#21
HA#22
HA#23
HA#24
HA#25
HA#26
HA#27
HA#28
HA#29
HA#30
HA#31

HREQ#0
HREQ#1
HREQ#2
HREQ#3

HREQ#4
HRS#0
HRS#1
HRS#2

HDBI#0
HDBI#1
HDBI#2
HDBI#3

GTLCOMPP
GTLCOMPN

R204

360R1%0402

HA#[3..31]5

3 3

HADSTB#05
HADSTB#15

HADS#5
HBNR#5

HBPRI#5

HDBSY#5

HDEFER#5

HDRDY#5

HLOCK#5
HTRDY#5

HREQ#[0..4]5

HRS#[0..2]5

2 2

GTLVREF_NB7

C180

C0.1U16Y0402

1 1

HDBI#[0..3]5

C181

C0.1U16Y0402

180R1%04

CPURST#5,6

NBHCLK15

NBHCLK#15

GTLVREF_NB

R205

M33

W35

W36
W34

AA36
AA34

AA32

W32
W31

W33

M34

M35

M32
M31

AC29
AC30

N34
R33
T33
R34
P36
P34
N35
R36
U36
U34
U35
T30
U32

V32
V36
V34

V33
Y35

Y33

V31

R35

L35

K35

J32

K32

J33

K33

L36
L34
J34

T32
T31
R32

J35

N36

J36

C31
E35
G27
D22

F22

U30

J25

G22
H22

A17

U9A

HA03#
HA04#
HA05#
HA06#
HA07#
HA08#
HA09#
HA10#
HA11#
HA12#
HA13#
HA14#
HA15#
HA16#
HA17#
HA18#
HA19#
HA20#
HA21#
HA22#
HA23#
HA24#
HA25#
HA26#
HA27#
HA28#
HA29#
HA30#
HA31#

HADSTB0P#
HADSTB1#

ADS#
BNR#
BPRI#
BREQ0#
DBSY#
DEFER#
DRDY#
HIT#
HITM#
HLOCK#
HTRDY#

HREQ0#
HREQ1#
HREQ2#
HREQ3#
HREQ4#
RS0#
RS1#
RS2#

HDBI0#
HDBI1#
HDBI2#
HDBI3#

CPURST#
HCLK+

HCLK-

GTLVREF0
GTLVREF1

GTLCOMPP
GTLCOMPN

GNDA1GNDA2GNDA8GND

VTT_1

A18

A19

A20

A21

B17

B18

B19

B20

VTT_2

VTT_3

VTT_4

VTT_5

VTT_6

VTT_7

VTT_8

VTT_9

P4M890 =>HA32,HA33

GND

GND

GND

GND

GND

A3

GND

A10

A22

A25

A27

A29

A31

B21

C17

C18

C19

C20

C21

D17

D18

D19

D20

VTT_10

VTT_11

VTT_12

VTT_13

VTT_14

VTT_15

VTT_16

VTT_17

VTT_18

VTT_19

P4M890_Rev1.9->remove ha32,ha33
P4M900_Rev0.2

GND

GND

GNDB2GNDB3GNDB4GND

GNDC2GNDC3GNDC4GND

A33

A35

C5

B36

D21

E17

E18

E19

VTT_20

VTT_21

VTT_22

P4M900 only -->

GND

GND

GND

D3

C26

C27

E20

E21

F17

F18

VTT_23

VTT_24

VTT_25

VTT_26

VTT_27

GNDD4GNDD5GNDD6GNDD8GND

D11

F19

F20

VTT_28

GND

D23

D24

F21

VTT_29

VTT_30

GND

GND

D29

G17

G18

G19

VTT_31

VTT_32

VTT_33

HDSTB0P#
HDSTB0N#

HDSTB1P#
HDSTB1N#

HDSTB2P#
HDSTB2N#

HDSTB3P#
HDSTB3N#

HADSTB0N#

CPUSLPIN#

GND

GND

GND

D31

D32

D34

G20

G21

HD00#
HD01#
HD02#

VTT_34

VTT_35

HD03#
HD04#
HD05#
HD06#
HD07#
HD08#
HD09#
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#

DPWR#

GNDE2GNDE4GND

B35
A36
C33
C32
E31
B34
B33
A34
D30
A30
B31
B30
E30
C29
B29
C30
D36
F36
G36
H34
H35
F35
G35
C36
D35
F34
F33
G34
G33
E33
H32
G32
E28
E29
D28
D27
C28
H28
G28
F28
E27
D26
D25
E25
F25
G25
H26
H25
B23
B25
E23
B27
B28
A28
B24
B26
A26
C23
C22
A23
G23
A24
B22
E22

A32
B32

C35
C34

G26
E26

C24
C25

T35
AB32
L31

GND

P4M890/P4M900

E6

E5

HD#0
HD#1
HD#2
HD#3
HD#4
HD#5
HD#6
HD#7
HD#8
HD#9
HD#10
HD#11
HD#12
HD#13
HD#14
HD#15
HD#16
HD#17
HD#18
HD#19
HD#20
HD#21
HD#22
HD#23
HD#24
HD#25
HD#26
HD#27
HD#28
HD#29
HD#30
HD#31
HD#32
HD#33
HD#34
HD#35
HD#36
HD#37
HD#38
HD#39
HD#40
HD#41
HD#42
HD#43
HD#44
HD#45
HD#46
HD#47
HD#48
HD#49
HD#50
HD#51
HD#52
HD#53
HD#54
HD#55
HD#56
HD#57
HD#58
HD#59
HD#60
HD#61
HD#62
HD#63

-HAP0 5

T7

SLP# 5,14

HD#[0..63] 5

HDSTBP#0 5
HDSTBN#0 5

HDSTBP#1 5
HDSTBN#1 5

HDSTBP#2 5
HDSTBN#2 5

HDSTBP#3 5
HDSTBN#3 5

V_FSB_VTT

For dual core

GTL_DET7

H_TESTHI05

NB Heatsink

2

NB1_X1

HEATSINK-38X36X25mm

C177 0.01U25Y/4
C144 0.01U25Y/4
C521 10U10Y/8
C524 10U10Y/8
C523 10U10Y/8
C515 10U10Y/8
C516 10U10Y/8
C164 C0.1U16Y0402
C188 C0.1U16Y0402

+12V

R194

10KR/4

VCCP

G

VCC3

G

R247
390R1%0402

DS

Q34
N-2N7002_SOT23

R251
249R1%0402-LF

DS

Q35
N-2N7002_SOT23

H_TESTHI0

1

GTLVREF_NB

V_FSB_VTT

R276

124R1%/4

R288

210R1%/04

VCC3

R256
110R1%0402

R275

61.9R1%0402-LF

Micro Star Restricted Secret

Title

P4M890-1(HOST)

Document Number

MICRO-STAR INT'L CO.,LTD.

No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan

A

B

C

D

http://www.msi.com.tw

MS-7301

E

Last Revision Date:

Tuesday, April 11, 2006

Sheet

831

Rev

0A

of

A

B

C

D

E

VCC_DDR

C166

C4700P50X6

VCC_DDR

150R1%0402

C517
C0.1U25Y

C226
X_C0.1U25Y

MAA0
MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8
MAA9
MAA10
MAA11
MAA12
MAA13

BA0 16
BA1 16
BA2 16

-SRASA 16

-SCASA 16

-SWEA 16

R178

150R1%0402

MVREF_NB

R181

C88

4 4

MD[0:63]16

3 3

2 2

DQM[0:7]16

DQM0
DQM1
DQM2
DQM3
DQM4
DQM5
DQM6
DQM7

MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD39
MD40
MD41
MD42
MD43
MD44
MD45
MD46
MD47
MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55
MD56
MD57
MD58
MD59
MD60

MD62
MD63

AF35
AG34

AJ36
AK35
AF34
AG35

AJ34
AK34
AG32
AF32
AH30

AJ31
AF31
AH32
AH31

AJ32
AK33

AL36
AP35

AL34

AL35
AM35
AT36
AM34
AK24

AL23
AM24

AJ22
AK23
AN24
AM23
AM22
AK20
AK19
AM19
AR18

AL20
AM20

AL18
AM18
AR17
AT16
AN16
AN15
AM17
AP17
AM16
AM15
AN22
AN21
AP19
AT18
AT21
AR21
AT19
AR19
AR14
AM14
AP13
AR11
AP14
AN14
AT12
AP12

AH36
AF30
AN36
AN23
AN20
AT15
AP21
AT13

U9B

MD00
MD01
MD02
MD03
MD04
MD05
MD06
MD07
MD08
MD09
MD10
MD11
MD12
MD13
MD14
MD15
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD39
MD40
MD41
MD42
MD43
MD44
MD45
MD46
MD47
MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55
MD56
MD57
MD58
MD59
MD60
MD61
MD62
MD63

DQM0#
DQM1#
DQM2#
DQM3#
DQM4#
DQM5#
DQM6#
DQM7#

AA24

AB24

VCCMEM

VCCMEM

AC24

AD16

VCCMEM

VCCMEM

AD17

AD18

VCCMEM

VCCMEM

AD19

AD20

VCCMEM

VCCMEM

AD21

AD22

VCCMEM

VCCMEM

AD23

AD24

VCCMEM

VCCMEM

AJ28

AJ26

VCCMEM

VCCMEM

AK25

AK27

VCCMEM

VCCMEM

AK29

AL26

VCCMEM

VCCMEM

AL28

AL30

VCCMEM

VCCMEM

AM25

AM27

VCCMEM

VCCMEM

AM29

AM31

VCCMEM

VCCMEM

AN26

AN27

VCCMEM

VCCMEM

AN31

AN33

VCCMEM

VCCMEM

AP30

AR26

VCCMEM

VCCMEM

AR33

AT25

VCCMEM

VCCMEM

MEMVREF0
MEMVREF1

AT28

AT31

VCCMEM

VCCMEM

SRAS#
SCAS#

SWE#

DQS0+

DQS0-

DQS1+

DQS1-

DQS2+

DQS2-

DQS3+

DQS3-

DQS4+

DQS4-

DQS5+

DQS5-

DQS6+

DQS6-

DQS7+

DQS7-

MCLKI

MCLKO+
MCLKO-

MEMDET

DMCOMP

AT35

BA0
BA1

VCCMEM

BA2
MA00
MA01
MA02
MA03
MA04
MA05
MA06
MA07
MA08
MA09
MA10
MA11
MA12
MA13

CS0#
CS1#
CS2#
CS3#

CKE0
CKE1
CKE2
CKE3

ODT0
ODT1
ODT2
ODT3

AR28
AP29
AP33
AT29
AR30
AR29
AT30
AN30
AP31
AR31
AT32
AP32
AN32
AN29
AR32
AT33
AR25

AN28
AR27
AP28

AT27
AP27
AT24
AP26

AT34
AP34
AR34
AN34

AT26
AP25
AR24
AN25

AJ35
AH35
AH33
AH34
AR36
AP36
AR22
AP23
AP18
AN18
AP15
AR15
AP20
AR20
AR12
AR13

AB34

AB35
AB36

AG29
AJ18

AF36

AM33

MAA0
MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8
MAA9
MAA10
MAA11
MAA12
MAA13

CKEA0
CKEA1
CKEA2
CKEA3

MCLKIT

M_CLKO+MD61

M_CLKO-

MEMDET

DMCOMP

-DQS0 16

-DQS0# 16

-DQS1 16

-DQS1# 16

-DQS2 16

-DQS2# 16

-DQS3 16

-DQS3# 16

-DQS4 16

-DQS4# 16

-DQS5 16

-DQS5# 16

-DQS6 16

-DQS6# 16

-DQS7 16

-DQS7# 16

R183 22R/4
R184 22R/4

MVREF_NB

1: DDR2
0: DDR1

R186 1KR0402
R188 X_1KR0402

R185 301R1%0402

MAA[0:13] 16

-SRASA 16

-SCASA 16

-SWEA 16

-CS0 16

-CS1 16

-CS2 16

-CS3 16
CKEA0 16

CKEA1 16
CKEA2 16
CKEA3 16

ODT0 16
ODT1 16
ODT2 16
ODT3 16

VCC_DDR

BA0 16
BA1 16
BA2 16

C4700P50X6

VCC_DDR

C224
X_C0.1U25Y

C138 C5P50N0402
C127 C5P50N0402
C128 C5P50N0402
C120 C5P50N0402
C119 C5P50N0402
C109 C5P50N0402
C108 C5P50N0402
C100 C5P50N0402
C99 C5P50N0402
C95 C5P50N0402
C137 C5P50N0402
C96 C5P50N0402
C92 C5P50N0402
C167 C5P50N0402
C142 C5P50N0402
C141 C5P50N0402
C91 C5P50N0402
C147 C5P50N0402
C159 C5P50N0402
C146 C5P50N0402

PULL DOWN GND OR PULL UP +1.8VDIMM

CLOSE TO DIMM

NOTE: DQS/DQS# => OTHER:W:S:W:OTHER=15:10:5:10:15

MCLKO+/- as short as passable
MCLKIT = DCLKx + 2 "

MCLKIT 15

MCLKOT 15
MCLKOC 15

C151 C5P50N0402
C150 C5P50N0402
C157 C5P50N0402

Near to NB chip

VCC_DDR

C518
C0.1U25Y

C132

C4700P50X6

C230
X_C0.1U25Y

C163

C162

C1000P50X0402

C1000P50X0402

Close to ball

C174

C0.1U16Y0402

C519
X_C0.1U25Y

C154

C1000P50X0402

C304

C1U16Y

VCC_DDR

C183 C0.1U16Y0402

C184 C0.1U16Y0402

C179 C0.1U16Y0402

NEAR PM890

VCC_DDR

C134 C0.1U16Y0402
C94 C0.1U16Y0402

C133 C0.1U16Y0402
C89 C0.1U16Y0402

C121 C0.1U16Y0402
C129 C0.1U16Y0402

C118 C0.1U16Y0402
C85 C0.1U16Y0402

NEAR DIMM

GNDE7GND

GND

GNDF1GNDF2GNDF4GNDF5GNDF6GNDF7GND

GND

1 1

A

E9

E34

E36

GND

GND

GND

GND

GND

GND

GND

GNDG1GNDG2GNDG4GNDG7GND

GND

GNDH2GNDH4GNDH7GND

GND

GND

GND

GND

GND

F10

F14

F23

F26

F27

F29

F30

F32

F24

G11

G29

B

GNDJ2GNDJ4GNDJ5GNDJ6GND

GND

J7

H23

H24

H27

H31

H36

H33

P4M890/P4M900

Micro Star Restricted Secret

Title

P4M890-2(MEM)

Document Number

MICRO-STAR INT'L CO.,LTD.

No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan

C

D

http://www.msi.com.tw

MS-7301

E

Last Revision Date:

Tuesday, April 11, 2006

Sheet

931

Rev

0A

of