MSI MS-6723 Schematics

A

B

C

D

E

MSI

4 4

MS-6723 Ver:0B

TITLE

BLOCK DRIGRAM
POWER DIV

SOCK370 PROCSSOR

NORTH BRIDGE(VT8623)

CPU:

VIA C3 (PGA370) Processor

3 3

System Chipset:

VIA CLE266 (VT8623) + VIA
VT8235

Onboard Chipset:

TV-IN/OUT--SAA7108 VIDEO CODEC
Clockgen--ICS950908

SOUTH BRIDGE (VT8235)
PC1600/PC2100 DDR SLOT
DDR TERMINATIONS
CLOCK SYNTHESIZER
PCI SLOTS
SUPER IO & FLOPPY CONNECTOR & HARDWARE MONITOR
KB/MOUSE & VGA CONNECTOR
TV-IN/OUT VIDEO CODEC
TV-IN/OUT VIDEO CONNECTOR
VT6103 MII 10/100 PHY

SHEET

1

2

3,4

5,6,7

8,9,10

11

12

13

14

15

16

17

18

19

Audio--CMI9739A 6CHANNEL
LAN--VIA VT6103 MII PHY

2 2

LPC I/O--WINBOND W83697
IEEE1394--VIA VT6306(PCI)

VT6306 IEEE1394 (PCI)
AC'97 CODEC 6 CHANNEL
AUDIO CONNECTOR & GAME PORT

20

21

22

BIOS--2MB FLASHROM

USB PORT & FLASH ROM

23

Expansion Slots:

COM PORT
IDE ATA CONNECTOR

24

25

PCI Slots*3

ACPI POWER
VRM8.5

1 1

A

B

ATX POWER & FP

C

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

D

Micro Star Restricted Secret

BLOCK DRIGRAME

MS-6723

26

27

28

Last Revision Date:

Wednesday, February 26, 2003

Sheet

1

of

E

Rev

0B

29

A

4 4

3 3

B

C

D

E

2 2

1 1

Title
Document Number

MICRO-STAR INT'L CO.,LTD.

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

A

B

C

http://www.msi.com.tw

D

Micro Star Restricted Secret

POWER DIV

MS-6723

Last Revision Date:
Sheet

Wednesday, February 26, 2003

2

of

E

Rev

0B

29

A

B

C

D

E

VCC1_5VCC1_5 VCC1_5

U1A

AK8

HA[3:31](5)

4 4

HD[0:63](5)

3 3

2 2

1 1

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

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

AH12

AL15

AH10

AK10

AK14

AG3

A#3
A#4

AH8

A#5

AN9

A#6
A#7
A#8

AL9

A#9

AH6

A#10
A#11

AN5

A#12

AL7

A#13
A#14

AL5

A#15
A#16
A#17
A#18
A#19
A#20
A#21
A#22
A#23
A#24
A#25
A#26
A#27
A#28
A#29
A#30
A#31

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

NEW/*CPRMN/*CELE

D#53
D#54
D#55
D#56
D#57
D#58
D#59
D#60
D#61
D#62
D#63

VTT_PWRGD/*GND/*

THERMTRIP

GND/*RESET2/*RESET

RESET/*/*RSVD

BR1/*/*RSVD

BSEL1/*/*GND

BSEL0/*/*BSEL

SLEWCTRL/*/*RSVD

VTT/*EDGCTRL/*

VID25MV/*GND/*

YSKT370P-I

AN7
AE1

Z6

AC3

AJ1
AE3
AB6
AB4
AF6

Y3
AA1
AK6

Z4
AA3
AD4

W1

T4

N1

M6

U1

S3

T6

J1
S1
P6

Q3
M4
Q1

L1
N3
U3
H4
R4
P4
H6

L3

G1

F8

G3

K6
E3
E1

F12

A5
A3

J3
C5
F6
C1
C7
B2
C9
A9
D8

D10
C15
D14
D12

A7

A11
C11
A21
A15
A17
C13
C25
A13
D16
A23
C21
C19
C27
A19
C23
C17
A25
A27
E25
F16

A20M
FLUSH
IGNNE

LINT0/INTR

LINT1/NMI

PREQ

STPCLK

PWRGOOD

FERR

IERR

BPRI

DEFER

TRDY

PRDY

BPM0
BPM1

DBSY
DRDY

HITM

LOCK
REQ0

REQ1
REQ2
REQ3
REQ4

BCLK

PICCLK

PICD0
PICD1

TRST

CPUPRES

THERMDP
THERMDN

VCOREDET

INIT

ADS
BNR

TCK

TDO
TMS

PLL1

PLL2

VID0
VID1
VID2
VID3

AE33

-FLUSH

AE37

-IGNNE

AG37

-CPUINIT

AG33

INTR

M36

NMI_SB

L37

-PREQ1

J37

-SMI

AJ35

SMI
SLP

RS0
RS1
RS2

BP2
BP3

BR0

HIT

AH30
AG35

AK26
AK4

AC35
AE35
AH28

AN17
AN19
X4
AH4
AN25

AH26
AH22
AK28

A35

AN31
AH14
G33
E37
C35
E35

AN29
X2

AL27
AN27
AL25
AL23
AK20

AK18
AH16
AH18
AL19
AL17

-SLP

-STPCLK
CPW_OK

-FERR

-IERR

-TRIP

-BPRI

-DEFER

R2 1K

-CPURST

-RS0

-RS1

-RS2

-PRDY1

-ADS

-BNR

-BREQ0

-DBSY

-DRDY

-HIT

-HITM

-HLOCK

-HREQ0

-HREQ1

-HREQ2

-HREQ3

-HREQ4

W37

APICCLK1

J33

APICD0

J35

APICD1

L35

AL33
AN35

TDI

AN37
AK32
AN33

CPU1_BSEL1

AJ31

CPU1_BSEL0

AJ33
C37

SLEWCTRL

E27

PIN_AG1

AG1

CPU1_PLL1

W33

CPU1_PLL2

U33

AL31
AL29

E21
AL35

AM36
AL37
AJ37
AK36

-A20M (8)

-IGNNE (8)

-CPUINIT (8)
INTR (8)
NMI_SB (8)

-SMI (8)

-SLP (8,9)

-STPCLK (8)
CPW_OK (26)

-FERR (8)

-BPRI (5)

-DEFER (5)

-CPURST (5)

-HTRDY (5)

-RS0 (5)

-RS1 (5)

-RS2 (5)

-ADS (5)

-BNR (5)

-BREQ0 (5)

-DBSY (5)

-DRDY (5)

-HIT (5)

-HITM (5)

-HLOCK (5)

-HREQ0 (5)

-HREQ1 (5)

-HREQ2 (5)

-HREQ3 (5)

-HREQ4 (5)

CPU1_CLK (13)

APICCLK1 (13)
APICD0 (8)

APICD1 (8)

TCK1 (4)
TDI1 (4)

TDO1 (4)
TMS1 (4)

-TRST1 (4)

100/133MHZ
66/100MHZ

CPUMISS (9)

R21 56

BC13
104P

CPU_TMPA(15)
VTIN_GND (15)

CPU1_VID0 (27)
CPU1_VID1 (27)
CPU1_VID2 (27)
CPU1_VID3 (27)
VID25MV (27)

L1

4.7UH/0805

106P/0805

VIA C3 : Level 2V0B

VCC1_5
VCORE

-CPURST

X_33P

C332

0B

NOTE: Place these decoupling
capacitors close to VTT_CPU
termination resistors. (one
decoupling coapcitor for
each two R-packs)

VCC1_5

R3 1K
R4 1K

CPU1_BSEL1
CPU1_BSEL0

CPU1_BSEL1 (13)
CPU1_BSEL0 (13)

VCC1_5

RN11

-SMI

12

-CPUINIT

34

-STPCLK

56

-SLP

78

8P4R-150
RN14

-A20M

78

-IGNNE

56

-FERR

34

INTR

12

8P4R-150
R5 150
R6 150
R7 150
R8 150
R9 330C1
R10 330
R11 330
R14

110RST

NMI_SB

-FLUSH
APICD0
APICD1

-PREQ1

-IERR

-TRIP

SLEWCTRL

VCC1_5

104PBC14
104PBC15

-A20M

104PBC16

104PBC1
104PBC2
104PBC3
104PBC4
104PBC5
104PBC6
104PBC7
104PBC8
104PBC9
104PBC10

X_106P/0805BC11
X_106P/0805BC12

Title
Document Number

Micro Star Restricted Secret

MICRO-STAR INT'L CO.,LTD.

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

A

B

C

http://www.msi.com.tw

D

RN1

5

10

10P8R-56
RN3

5

10

10P8R-56
RN5

5

10

10P8R-56
RN7

5

10

10P8R-56
RN9

5

10

10P8R-56
RN12

5

10

10P8R-56
RN15

5

10

10P8R-56

R12 56
R13 56

VTT(+1.5V) FOR GTL BUS
TERMINATION

1
2
3
4
6
7
8
9510

1
2
3
4
6
7
8
9510

1
2
3
4
6
7
8
9510

1
2
3
4
6
7
8
9510

1
2
3
4
6
7
8
9510

1
2
3
4
6
7
8
9510

1
2
3
4
6
7
8
9510

1
2
3
4
6
7
8
9

1
2
3
4
6
7
8
9

1
2
3
4
6
7
8
9

1
2
3
4
6
7
8
9

1
2
3
4
6
7
8
9

1
2
3
4
6
7
8
9

1
2
3
4
6
7
8
9

-CPURST

-PRDY1

HD1
HD5
HD8
HD17
HD0
HD6
HD15
HD4

HA30
HA29
HA26
HA18
HA20
HA24
HA23
HA27

HA19
HA22
HA17
HA31
HA28
HA21
HA10
HA25

HA13
HA5
HA12
HA15
HA6
HA9
HA3
HA16

HA14
HA4
HA8
HA11

-BPRI

-HREQ4

-BNR
HA7

-HREQ3

-HREQ1

-HREQ0

-HREQ2

-DEFER

-HLOCK

-HITM

-RS1

-HIT

-HTRDY

-DBSY

-RS0

-DRDY

-RS2

-BREQ0

-ADS

SOCKET370 PROCSSOR-1

MS-6723

Last Revision Date:

Wednesday, February 26, 2003

Sheet

3

10

10

10

10

10

10

10

E

5

5

5

5

5

5

5

RN2

10P8R-56
RN4

10P8R-56
RN6

10P8R-56
RN8

10P8R-56
RN10

10P8R-56
RN13

10P8R-56

RN16

10P8R-56

of

HD60

1

1

HD50

2

2

HD56

3

3

HD61

4

4

HD54

6

6

HD53

7

7

HD58

8

8

HD62

9

9510

HD46

1

1

HD55

2

2

HD57

3

3

HD59

4

4

HD48

6

6

HD63

7

7

HD52

8

8

HD40

9

9510

HD51

1

1

HD49

2

2

HD41

3

3

HD47

4

4

HD45

6

6

HD44

7

7

HD27

8

8

HD42

9

9510

HD38

1

1

HD36

2

2

HD37

3

3

HD39

4

4

HD28

6

6

HD22

7

7

HD34

8

8

HD43

9

9510

HD32

1

1

HD35

2

2

HD29

3

3

HD31

4

4

HD26

6

6

HD25

7

7

HD19

8

8

HD33

9

9510

HD16

1

1

HD21

2

2

HD23

3

3

HD24

4

4

HD20

6

6

HD11

7

7

HD7

8

8

HD30

9

9510

HD2

1

1

HD14

2

2

HD18

3

3

HD13

4

4

HD9

6

6

HD12

7

7

HD10

8

8

HD3

9

9510

Rev

0B

29

A

B

C

D

E

VCC1_5

VCC1_5

R15
75RST

The voltage level of

C6
104P

R17
75RST

R19
150RST

V TT_REF is 0.8V or 1.0V

R16
150RST

Place these resistors
inner CPU.

VCORE

BC25 105P
BC27 105P
BC29 105P
BC31 105P
BC33 105P
BC34 105P
BC35 105P
BC36 105P
BC37 105P
BC38 105P
BC39 105P
BC40 105P
BC41 105P
BC42 105P

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

D

VCORE

BC26 106P/1206
BC28 106P/1206
BC30 106P/1206
BC32 106P/1206

Micro Star Restricted Secret

SOCKET370 PROCSSOR-2

MS-6723

Last Revision Date:
Sheet

Wednesday, February 26, 2003

4

of

E

Rev

0B

29

VCC1_5

X6

AC1W3AF4V4AC37

E23

VTT/*/*RSVD

S33

BC18
104P

BC22
104P

RN17

1 2
3 4
5 6
7 8

8P4R-1K

R20 680

BC19
104P

BC23
104P

BC20
104P

BC24
104P

VCORE

VCC1_5

A

BC17
104P

4 4

BC21
104P

TMS1(3)
TDO1(3)
TCK1(3)
TDI1(3)

3 3

-TRST1(3)

2 2

1 1

S37
U35

U37
AA33
AA35
AN21
AH20
AK16

AL13

AL21
AN11
AN15

G35
G37

AD36

AA37

AA5

AB2
AB34
AD32

AE5

AF2
AF34
AH24
AH32
AH36

AJ13
AJ17
AJ21
AJ25
AJ29

AJ5
AJ9

AK2
AK34

AM12
AM16
AM20
AM24
AM28
AM32

AM4
AM8

B10
B14
B18
B22
B26
B30
B34

B6

C3
D20
D24
D28
D32
D36

D6
E13
E17

E5

E9
F14

F2
F22
F26
F30
F34

F4
H32
H36

J5

K2
K32
K34

M32

N5

P2
P34
R32
R36

S5

T2
T34
V32
V36

W5
Y35
Z32

YSKT370P-I

VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD
VTT/*/*RSVD

VTT/*RSVD/*
VTT/*VCC1_5/*

VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE

A32#/*/*RSVD

A33#/*/*RSVD

RESERVED

F10

AK24

AL11

RSP/*/*RSVD

A34#/*/*RSVD

A35#/*/*RSVD

BERR/*/*RSVD

AERR/*/*RSVD

N EW/*COPRMNE/*CELE

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

L33

N33

N35

W35

AK30

Q33

Q35

Q37Y1R2

B

AN13

AN23

B36

RP/*/*RSVD

AP0/*/*RSVD

AP1/*/*RSVD

BINIT/*/*RSVD

RESERVED

RESERVED

RESERVED

RSVD/*/*GND

AJ3

A29

E29

C29

E31

A31

A33

DEP7#/*/*RSVD

DEP6#/*/*RSVD

DEP5#/*/*RSVD

DEP4#/*/*RSVD

DEP3#/*/*RSVD

RTTCTRL/*/*RSVD

AN3

S35

C31

C33

DEP2#/*/*RSVD

DEP1#/*/*RSVD

DEP0#/*/*RSVD

CMOSREF/*VREF7/*

VTT/*VCC_COMS/*

RSVD/*VCC2_5/*

VTT/*VCC_CORE/*

DETECT/*GND/*

GND/*RSVD/*GND

RSVD/*GND/*

CLKREF/*/*GND

NCHCTRL/*RSVD/*

DYN_OE/*GND/*

N37

NCHCTRL
DYN_OE
RTTCTRL1

VREF0
VREF1
VREF2
VREF3
VREF4
VREF5
VREF6

GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND

U1B

E33
F18
K4
R6
V6
AD6
AK12
AK22

AB36
Z36
X34

AF36
AM2

AL1

A37
AB32
AC33
AC5
AD2
AD34
AF32
AG5
AH2
AH34
AJ11
AJ15
AJ19
AJ23
AJ27
AJ7
AL3
AM10
AM14
AM18
AM22
AM26
AM30
AM34
AM6
B12
B16
B20
B24
B28
B32
B4
B8
D18
D2
D22
D26
D30
D34
D4
E11
E15
E19
E7
F20
F24
F28
F32
F36
G5
H2
H34
K36
L5
M2
M34
P32
P36
Q5
R34
T32
T36
U5
V2
V34
X32
X36
Y37
Y5
Z2
Z34

Y33

R18 0

CLKREF

VTT_REF1

CMOSREF

VCC1_5

VIA RECOMM

R27 14RST
R28 1K
R29 110RST

C

C2
104P

C3
104P

VCC1_5
VCC1_5

C9
104P

C4
104P

475P/0805

C5
104P

C7
104P

VCC2_5

R25
150RST

C8

R26
150RST

A

VT8623 NORTH BRIDGE

B

C

D

E

VTT

V22

VTT

AVDD1

AA24

U2A

HD0
HD1
HD2
HD3
HD4
HD5

AVDDHCLK

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

HCLK

CPURST

Decoupling

H26

HD0

G23

HD1

E23

HD2

C26

HD3

G24

HD4

G22

HD5

G25

HD6

C25

HD7

F23

HD8
HD9

E24
F26

HD10

D26

HD11

F24

HD12

D24

HD13

D25

HD14

G26

HD15

B26

HD16

F25

HD17

E26

HD18
HD19

B23
D23

HD20

A26

HD21

B21

HD22

A25

HD23

B24

HD24

C23

HD25

A24

HD26

D19

HD27

C21

HD28
HD29

D21
C24

HD30

C22

HD31

A22

HD32

A23

HD33

A21

HD34

D22

HD35

A20

HD36

B20

HD37

C20

HD38
HD39

A19
B17

HD40

C18

HD41

D18

HD42

D20

HD43

E19

HD44

C19

HD45

C15

HD46

A17

HD47

D17

HD48
HD49

B18
D13

HD50

A18

HD51

C16

HD52

D14

HD53

A15

HD54

B15

HD55

A14

HD56

A16

HD57

E13

HD58
HD59

D16
C14

HD60

B14

HD61

D15

HD62

C17

HD63

HCLK

Y23

-CPURST

H24

HD[0:63] (3)

HCLK (13)

-CPURST (3)

capacitors

-------5020

L2

X_80S/0805

AVDD1

C10 C11

X_102P

AGND1

SOLDER
5020

VCC2_5

BC43
104P/B

AVDD1

VCC1_5

BC45
104P/B

VCC1_5

BC48
102P/B

CP1

X_COPPER

105P/0805/B L3

CP2

X_COPPER

BC46
104P/B

BC49
102P/B

X_120S/0805

VCC1_5

G18

G19

H20

J20

J22

K20

K22

L20

M20

N20

P20

R20

T20

U20

VTT

VTT

VTT

VTT

VTT

VTT

U22

VTT

E16

E17

E22

F22

G14

G15

G16

VTT

VTT

VTT

VTT

VTT

VTT

VTT

G17

VTT

VTT

VTT

VTT

VTT

VTT

VTT

VTT

4 4

HA3

HA[3:31](3)

3 3

-BPRI(3)

-BREQ0(3)

-ADS(3)

-HREQ0(3)

-HREQ1(3)

-HREQ2(3)

-HREQ3(3)

-HREQ4(3)

-HIT(3)

-HITM(3)

-HTRDY(3)

-DBSY(3)

-DRDY(3)

-RS0(3)

-RS1(3)

2 2

R30 75RST

VCC1_5

R31
150RST

X_102P

-RS2(3)

-DEFER(3)

-BNR(3)

-HLOCK(3)

GTLVREF

C13
X_102P

C12

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

C14
105P

AA26
AA25

W23
W25
W24

W26

P26

A3

R25

A4

N23

A5

P23

A6

T24

A7

R24

A8

P24

A9

M26

A10

R26

A11

N24

A12

N26

A13

R23

A14

M23

A15

N25

A16

K26

A17

H23

A18

K24

A19

K23

A20

M25

A21

K25

A22

L23

A23

J24

A24

L26

A25

H22

A26

J25

A27

M24

A28

J23

A29

J26

A30

L24

A31

T26

BPRI
BREQ0

ADS

U24

HREQ0

T23

HREQ1

U26

HREQ2

V24

HREQ3

T25

HREQ4
HIT

V23

HITM
HTRDY

DBSY

Y26

DRDY
RS0

V26

RS1

Y25

RS2

U23

DEFER

R22

BNR

V25

HLOCK

E20

GTLVREF

T22

GTLVREF

GND

M13

GND

M14

GND

M15

GND

M16

GND

Y24

AGNDHCLK

CLE266

B13

GND

B16

GND

B19

GND

B22

GND

GND

B25E6E10

GND

GND

E11

GND

E14

GND

E15

GND

E18

GND

E21

GND

E25

GND

GND

G13

H25K5L11

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

L12

J5

GND

GND

L13

L14

L15

L16

L22

L25

M11

M12

AGND1

1 1

Title
Document Number

MICRO-STAR INT'L CO.,LTD.

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

A

B

C

http://www.msi.com.tw

D

Micro Star Restricted Secret

NORTH BRIDGE-1

MS-6723

Last Revision Date:
Sheet

Wednesday, February 26, 2003

5

of

E

Rev

0B

29

A

VT8623 NORTH BRIDGE

B

C

D

E

AVDD2

U2B

AB24

CLE266

AGND2

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
MD61
MD62
MD63

NC
NC

W13

VDD

AVMCLK

AGNDMCK

AC24

4 4

3 3

2 2

MD_[0:63](12)

MD_0

AA23

MD_1

AC26

MD_2

AD24

MD_3

AF25

MD_4

AB26

MD_5

AB25

MD_6

AE26

MD_7

AF26

MD_8

AE24

MD_9

AF24

MD_10

AD21

MD_11

AD20

MD_12

AE23

MD_13

AF23

MD_14

AE21

MD_15

AF21

MD_16

AE20

MD_17

AD19

MD_18

AD18

MD_19

AF17

MD_20

AF20

MD_21

AF19

MD_22

AE17

MD_23

AD17

MD_24

AD16

MD_25

AE15

MD_26

AF14

MD_27

AF13

MD_28

AF16

MD_29

AF15

MD_30

AE14

MD_31

AD13

MD_32

AC12

MD_33

AE12

MD_34

AF10

MD_35

AF9

MD_36

AF12

MD_37

AD12

MD_38

AD9

MD_39

AE9

MD_40

AC9

MD_41

AE8

MD_42

AC7

MD_43

AF6

MD_44

AD8

MD_45

AF8

MD_46

AE6

MD_47

AE5

MD_48

AF5

MD_49

AF4

MD_50

AF1

MD_51

AD3

MD_52

AD4

MD_53

AC4

MD_54

AF2

MD_55

AE1

MD_56

AD1

MD_57

AB3

MD_58

AA2

MD_59

Y1

MD_60

AD2

MD_61

AC1

MD_62

AA3

MD_63

AA1

TP1

TP2

AB10
AC10

VCC2_5 V_DIMM

T8

W12

W11

VDD

VDD

VDD

W8W9W10

VDD

V19

VDD

VDD

T19U8U19

V8

W19

VDD

VDD

VDD

VDD

VDD

W18

VDD

VDD

W17

T14

W16

VDD

GND

T13

W15

VDD

GND

T12

VDD

GND

W14

T11

VDD

GND

R16

AB22

GND

R15

AB21

VCCM

VCCM

GND

GND

R14

AB19

VCCM

GND

R13

AB18

VCCM

GND

R12

AB9

R11

AB8

VCCM

VCCM

GND

GND

P25

AA5

P22

Y19

VCCM

VCCM

GND

GND

P16

Y18

P15

Y17

VCCM

VCCM

GND

GND

P14

Y16

P13

Y15

VCCM

VCCM

GND

GND

P12

Y14

P11

Y13

VCCM

VCCM

GND

GND

Y12

Y11

VCCM

VCCM

GND

GND

N22P2P5

N16

VCCM

VCCM

GND

GND

N15

N14

VCCM

VCCM

GND

GND

N13

VCCM

GND

N12

V20W7W20Y5Y8Y9Y10

VCCM

VCCM

MA10
MA11
MA12
MA13
MA14

CKE0
CKE1
CKE2
CKE3

DQM0
DQM1
DQM2
DQM3
DQM4
DQM5
DQM6
DQM7

DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7

SRAS
SCAS

SWE

DCLKO

DCLKIN

MVREF0
MVREF1

GND

GND

MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9

V7

CS0
CS1
CS2
CS3

M22N5N11

U7

VCCM

VCCM

GND

AD10
AD11
AC11
AB13
AC13
AC14
AD14
AB16
AC16
AB17
AC6
AB6
AD6
AC17
AC19

AC20
AC22
AC21
AD23

AA4
Y3
AC3
W4

AD25
AD22
AF18
AC15
AE11
AF7
AF3
AB2

AD26
AF22
AE18
AD15
AF11
AD7
AE3
AB1

AD5
AB4
AB5

AB23
AC23

AB7
AB20

MAA0
MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8
MAA9
MAA10
MAA11
MAA12
MAA13
MAA14

CKE0
CKE1
CKE2
CKE3

-DQM_0

-DQM_1

-DQM_2

-DQM_3

-DQM_4

-DQM_5

-DQM_6

-DQM_7

-DQS_ 0

-DQS_ 1

-DQS_ 2

-DQS_ 3

-DQS_ 4

-DQS_ 5

-DQS_ 6

-DQS_ 7

DCLKO_
DCLKI

MVREF_NB

-CS0 (11,12)

-CS1 (11,12)

-CS2 (11,12)

-CS3 (11,12)

-DQS_0 (12)

-DQS_1 (12)

-DQS_2 (12)

-DQS_3 (12)

-DQS_4 (12)

-DQS_5 (12)

-DQS_6 (12)

-DQS_7 (12)

-SRASA (11,12)

-SCASA (11,12)

-SWEA (11,12)

R32 22

MAA[0:14] (11,12)

CKE[0:3] (11)

-DQM_[0:7] (12)

DCLKO (13)
DCLKI (13)

(Place near

C15

their

X_5P

respective
balls of NB)

Decoupling
capacitors

-------5020

BC51

BC50

104P/B

104P/B

Decoupling
capacitors

-------5020

BC56
104P/B

BC52
104P/B

BC54
104P/B

BC58
104P/B

BC60
104P/B

VCC2_5

VCC2_5

V_DIMM

V_DIMM

BC53
104P/B

BC55
104P/B

BC59
104P/B

BC61
104P/B

VCC2_5 V_DIMM

R33
1KST

MVREF_NB

R34
1KST 104P

C

C18

C19

C20

102P

X_102P

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

D

Micro Star Restricted Secret

NORTH BRIDGE-2

MS-6723

Last Revision Date:
Sheet

Wednesday, February 26, 2003

6

of

E

Rev

0B

29

AVDD2

AGND2

CP3

X_COPPER

C17
105P/0805/B

L5 X_120S/0805

CP4

X_COPPER

B

SOLDER
5020

X_80S/0805
L4

AVDD2

C16

X_102P

AGND2

1 1

A

A

VT8623 NORTH BRIDGE

Decoupling
capacitors

-------5020

4 4

3 3

2 2

VCC2_5

R48
2KST

R49

1 1

1.13KST

BC66
X_104P/B

LVREF_NB

VCC3

BC63

X_105P/B

105P/B

VCC3

BC65
104P/B

TVD[0:11](17)

TVCLK(17)

TVCLKR(17) -SUSA (9)

TVBLK(17)

TVVS(17)
TVHS(17)

CAPD[0:7](17)

C24
104P

A

VCCSB2_5

VBE0(8)

-PWROK_NB(9)

-PCIRST1(15,17,26)

CAPCLK(17)

CAPD[0:7]

The voltage level of
LVREF_NB is 0.9V

VCC2_5

VLAD0(8)
VLAD1(8)
VLAD2(8)
VLAD3(8)
VLAD4(8)
VLAD5(8)
VLAD6(8)
VLAD7(8)

UPCMD(8)

UPSTB(8)

-UPSTB(8)
DNCMD(8)

DNSTB(8)

-DNSTB(8)

-SUSST(9)

R39 22

BC106

104P

LCOMPP
LVREF_NB

LPAR

TVD0
TVD1
TVD2
TVD3
TVD4
TVD5
TVD6
TVD7
TVD8
TVD9
TVD10
TVD11

CAPD0
CAPD1
CAPD2
CAPD3
CAPD4
CAPD5
CAPD6
CAPD7

W5

P7
R7
T7
U5
V5

P1
P3
U1
R4
V3
R1
V1
V2

R5
V4
T4
U3

T5
T2
T1

T3
R2
R3

W1
W3
W2

B2
A2
B3
A3
C4
B4
A4
C5
B5
A5
C6
D6
C2
C3
D5
A1
B1

E3
D4
D3
D2
D1
E2
E1
E4
F4

VSUS2.5
VCCVL

VCCVL
VCCVL
VCCVL
VCCVL

VAD0
VAD1
VAD2
VAD3
VAD4
VAD5
VAD6
VAD7

VBE
LCOMP
LVREF
LPAR

UPCMD
UPSTB
UPSTB

DNCMD
DNSTB
DNSTB

PWROK
RESETX
SUSSTAT

TVD0/DVID0
TVD1/DVID1
TVD2/DVID2
TVD3/DVID3
TVD4/DVID4
TVD5/DVID5
TVD6/DVID6
TVD7/DVID7
TVD8/DVID8
TVD9/DVID9
TVD10/DVID10
TVD11/DVID11
TVCLK/DVICLK
TVCLKR
TVBLK/DVIDE
TVVS/DVIVS
TVHS/DVIHS

CAPCLK
CAPD0
CAPD1
CAPD2
CAPD3
CAPD4
CAPD5
CAPD6
CAPD7

VCCDAC

C25
102P

GNDDAC

B

E5F5G8

VCC3

VCC3

VCC3

G9

G10

VCC3

VCC3

G11

G12H7J7K7L5L7M5M7N7H8H9

VCC3

VCC3

VCC3

VCC3

VCC3

VCC3

VCC3

VCC3

VCC3

VCC3

VCC3

VDD

VDD

H10

H11

VDD

H12

VDD

VDD

H13

H14

VDD

VDD

H15

VDD

H16

H17

VDD

H18

VDD

H19

VDD

J8

VDD

VCC2_5

J19K8K19

VDD

VDD

VDD

TV OUT

TV CAPTURE

PORT0

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

T15

T16U2U4

U25

W22Y2Y4

Y22

AA22

AB11

VCCVGA2_5 VCCVGA2_5

L9
80S/0805

VCCDAC

C26

105P/0805

GNDDAC

CP10 X_COPPER

B

GND

AB12

GND

GND

AB14

GND

AB15

AC2

GND

AC5

GND

AC8

GND

AC18

GND

AC25

GND

AE2

GND

AE4

GND

AE7

GND

GND

AE10

GND

AE13

GND

AE16

AE19

GND

GND

GND

AE22

AE25

CP8

X_COPPER

VCCRGB

C27

GNDRGB

GNDDAC

C

L8

L19M8M19N8N19P8P19R8R19

VDD

VDD

VDD

VDD

VDD

VDD

PLLGNDA2

GNDDAC

GNDRGB

PLLGNDA1

C12

A13

D11

B11

A12

GNDRGB

GND

L10
80S/0805

VCCRGB

C28
105P/0805102P

GNDRGB

CP11 X_COPPER

C

VCCDAC

VCCRGB

C13L2D12

C11

D10

B12

VDD

VDD

VDD

VDD

VDD

VCCDAC

VCCRGB

PLLVDD3

PLLVDD2

PLLVDD1

HSYNC
VSYNC

SPCLK2

STPAGP

AGPBUSY

DISPCLKI

DISPCLKO

SPCLK1

GPIO0
GPIO1
GPIO2
GPIO3

DFTIN

BISTIN

FPBKLP
ENAVDD
ENAVEE

GSTANDBY
GSUSPEND

FPDVS/CAPVS
FPDHS/CAPHS

FPDCLK/DVICLK

DVIDET

FPDE/CAPD8

FPD0/CAPD9
FPD1/CAPD10
FPD2/CAPD11

FPD3/CAPCLK1

FPD4CAPD12
FPD5/CAPD13
FPD6/CAPD14
FPD7/CAPD15

FPD8/DVIVS
FPD9/DVIHS

FPD10/DVIDE

FPD11/DVID0

FPD12/DVID1

CP9

X_COPPER

FPD13/DVID2

FPD14/DVID3

FPD15/DVID4

FPD16/DVID5

FPD17/DVID6

FPD18/DVID7

FPD19/DVID8

FPD20/DVID9

FPD21/DVID10
FPD22/DVID11

FPD23/DVIDET

CLE266

FLAT PANEL

PLLGNDA3

RSET

SPD2

SPD1

GCLK

INTA

D

VCC2_5 VCC2_5 VCC2_5

CP5

PLLVDD1
PLLVDD2
PLLVDD3

U2C

C10

AR

B10

AG

A10

AB

RGB_RSET

A11
A9

B9
A8

C9

C8
B8
H4
J4
E9
D9
D7
E7
D8
E8
P4

A6
B7

E12

XIN

B6

H5
G4
G5

A7
C7

F3
F2
J3
C1
F1
G3
G2
G1
H3
H2
H1
J2
J1

FPD8

K3

FPD9

K2

FPD10

K1

FPD11

K4

FPD12

L4
L3

L1
M4
M2

FPD18

M1

FPD19

M3

FPD20

N3

FPD21

N1

FPD22

N2
N4

FPD19
FPD20
FPD21

SPCLK2
SPD2

STPAGP
AGPBUSY
DISPCLKI
DISPCLKO

GPIO0
GPIO1
GPIO2
GPIO3

DFTIN
BISTIN

GSTANDBY
GSUSPEND

VIPVS
VIPHS

R43 10K

L67 60S/B
L68 60S/B
L69 60S/B

R38 10K

HSYNC (16)
VSYNC (16)

SPCLK2 (17)
SPD2 (17)

TP26

SPCLK1 (16)
SPD1 (16)

GCLK_NB (13)

GUICLK (13)

-INTR_A (8,14)

VIPVS (17)
VIPHS (17)

TP7

1 2
3 4
5 6
7 8

1 2
3 4
5 6
7 8

POWER
STRAPPING

R442 X_4.7K
R443 X_4.7K
R444 X_4.7K

R445 4.7K
R446 4.7K
R447 4.7K

Title

X_COPPER

0BEMI

AR (16)
AG (16)
AB (16)

+3.3V

TP3
TP4
TP5
TP6

0B

+ 5V support VGA

GRAPHICS 66MHZ

TP27

PLL 14.31818MHZ

RN101
8P4R-4.7K

RN102
8P4R-4.7K

VCC3

0B

Micro Star Restricted Secret

Document Number

CP6

L6
X_120S/0603

X_COPPER

C21BC64
104P

160

R35

NORTH BRIDGE-3

MICRO-STAR INT'L CO.,LTD.

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

D

use
S3

SPCLK2
SPD2

GSUSPEND

LCOMPP

LPAR

STPAGP
AGPBUSY

DFTIN
BISTIN
GSTANDBY

MS-6723

VCC3

L7
X_120S/0603

C22
104P

R36 4.7K
R37 4.7K

VIA RECOMM

R40 68.1RST

R41 8.2K

R42 4.7K
R44 4.7K

R45 4.7K
R46 4.7K
R47 4.7K

Last Revision Date:
Sheet

E

X_COPPER

U3

5

VCC

SN74LVC1G04

CP7

GNDOUT

L8
X_120S/0603

PLLVDD1PLLVDD2 PLLVDD3

C23
104P

P inA12,C12 GNDPinA12,C12 GND

VCC3

1

IN1

2

IN2

34

VCC3

Wednesday, February 26, 2003

7

E

29

of

Rev

0B

VT8235 SB

5

4

VCC3

VCC2_5

3

2

1

C29
X_104P

C30
104P

MS-6723

VCC2_5

R52 4.7K
R53 4.7K

R50

3KST

R51

1KST

VCC3

Last Revision Date:

Wednesday, February 26, 2003

Sheet

8

of

1

Rev

0B

29

A_D[31:0](14,20)

D D

C C

C_-BE[3:0](14,20)

B B

A A

-REQ4

-REQ5

A_D[31:0]

C_-BE[3:0]

-FRAME(14,20)

-DEVSEL(14,20)

-IRDY(14,20)

-TRDY(14,20)

-STOP(14,20)

-SERR(14)

-PERR(14,20)

-INTR_A(7,14)

-INTR_B(14)

-INTR_C(14)

-INTR_D(14,20)

-REQ0(14)

-REQ1(14)

-REQ2(14)

-REQ3(14)

-REQ4(20)

-GNT0(14)

-GNT1(14)

-GNT2(14)

-GNT3(14)

-GNT4(20)

SPCLK(13)

-PCIRST(26)

R55 2.2K
R57 2.2K

A_D0
A_D1
A_D2
A_D3
A_D4
A_D5
A_D6
A_D7
A_D8
A_D9
A_D10
A_D11
A_D12
A_D13
A_D14
A_D15
A_D16
A_D17
A_D18
A_D19
A_D20
A_D21
A_D22
A_D23
A_D24
A_D25
A_D26
A_D27
A_D28
A_D29
A_D30
A_D31

C_-BE0
C_-BE1
C_-BE2
C_-BE3

-FRAME

-DEVSEL

-IRDY

-TRDY

-STOP

-SERR

-PERR

-GNT4

-GNT5

PAR

-INTR_A

-INTR_B

-INTR_C

-INTR_D

-REQ0

-REQ1

-REQ2

-REQ3

-REQ4

-REQ5

-GNT0

-GNT1

-GNT2

-GNT3

-GNT4

-GNT5
SPCLK

-PCIRST

R56 2.2K
R58 2.2K

PAR(14,20)

VCC5 VCC3

5

E5F5L5M5P5R5W5Y5P21

H3

AD0

J2

AD1

H2

AD2

J1

AD3

G3

AD4

H1

AD5

G2

AD6

G1

AD7

G4

AD8

F2

AD9

F1

AD10

E1

AD11

F3

AD12

E2

AD13

E3

AD14

D2

AD15

B5

AD16

A5

AD17

C6

AD18

B6

AD19

K1

AD20

J3

AD21

K2

AD22

K3

AD23

L2

AD24

L3

AD25

M2

AD26

M1

AD27

M3

AD28

N1

AD29

N3

AD30

N2

AD31

F4

CBE0

D1

CBE1

A4

CBE2

L1

CBE3

B4

FRAME

B3

DEVSEL

C4

IRDY

A3

TRDY

C3

STOP

C1

SERR

C2

PERR

D3

PAR

P1

INTA

P2

INTB

P3

INTC

R1

INTD

D6

REQ0

C5

REQ1

D4

REQ2

H4

REQ3

L4

REQ4

N4

REQ5

E6

GNT0

D5

GNT1

E4

GNT2

J4

GNT3

M4

GNT4

P4

GNT5

R22

PCICLK

R2

PCIRST

PCI

VCC33

VCC33

VCC33

R21

AB6

VCC33

VCC33

VCC33

VCC33

VCC33

VCC33

VCC33

VCC33

GND

GND

GND

GND

GND

GND

GND

A1

B1A2B2K4R4V4G5N5AA5

AB7

VCC33

GND

G21

VCCVK

GND

GND

GND

GND

AB5F6AC8E9AC9

H21

L21

VCCVK

GND

M21

N21

VCCVK

VCCVK

GND

GND

F11

F22

L22

VCCVK

VCCVK

CPU

GND

GND

L11

M11

M22

N22

M23

N23

M24

N24

VCCVK

VCCVK

VCCVK

VCCVK

VCCVK

VCCVK

VCCVK

APICD0/APICCS/GPI28/GPO28

APICD1/APICACK/GPI29/GPO29

GND

GND

GND

GND

GND

N11

P11

R11

T11

M25

N25

VCCVK

VCCVK

VLINK

LPC

M26

N26

VCCVK

VCCVK

SLP/GPO7

WSC/APICREQ

VD10
VD11
VD12
VD13
VD14
VD15

VPAR

VBE0
VBE1

UPCMD
DNCMD

UPSTB
UPSTB

DNSTB
DNSTB

VLREF

VCOMPP

VCLK

A20M

FERR

IGNNE

INTR

STPCLK

APICCLK

DPSLP

LFRAME

LREQ

LAD0
LAD1
LAD2
LAD3

VT8235-A3

INIT

U4A

VLAD0

F25

VD0
VD1
VD2
VD3
VD4
VD5
VD6
VD7
VD8
VD9

NMI
SMI

GHI

VLAD1

F26

VLAD2

J26

VLAD3

J25

VLAD4

E26

VLAD5

E24

VLAD6

K24

VLAD7

K26
D25
F23
G23
G22
H22
G24
J22
K22

VPAR

D26
F24

L26
K25

J24
H24

H26
G25

G26
J23
K23
L24

T25
U26
T26
R25
T23
R23
U25
T24
R26

U24
U23
T22
V23

P26
R24

AE7
AD7

AF8
AE8
AD8
AF7

R439 8.2K

VBE0

UPCMD
DNCMD

UPSTB

-UPSTB
DNSTB

-DNSTB
VLREF_SB
VCOMPP_SB
VCLK

-A20M

-FERR

-IGNNE

-CPUINIT
INTR

NMI_SB

-SLP

-SMI

-STPCLK

-WSC

SAPICCLK
APICD0
APICD1

-DPSLP

-GHI

-LFRAME

-LDRQ

LAD0
LAD1
LAD2
LAD3

VLAD0 (7)
VLAD1 (7)
VLAD2 (7)
VLAD3 (7)
VLAD4 (7)
VLAD5 (7)
VLAD6 (7)
VLAD7 (7)

VCC2_5

VBE0 (7)

UPCMD (7)
DNCMD (7)

UPSTB (7)

-UPSTB (7)
DNSTB (7)

-DNSTB (7)

R54 360RST

VCLK (13)

-A20M (3)

-FERR (3)

-IGNNE (3)

-CPUINIT (3)
INTR (3)
NMI_SB (3)

-SLP (3,9)

-SMI (3)

-STPCLK (3)

-WSC (9)
SAPICCLK (9,13)
APICD0 (3)
APICD1 (3)

-LFRAME (15)

-LDRQ (9,15)

LAD[0..3]

VLREF_SB=20mils

LAD[0..3] (15)

Title

Micro Star Restricted Secret

Document Number

VLREF_SB

VLREF_SB is 0.65V

-DPSLP

-GHI

VT8235 SB-1

MICRO-STAR INT'L CO.,LTD.

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

4

3

http://www.msi.com.tw

2

5

VT8235 SOUTH BRIDGE-2

D D

VCC3

3VDUAL

VCC3

C C

VBAT

R82 4.7K RN21B 8P4R-4.7K

B B

VCC3

R85 X_10K

SDA1 => 1 - From Boot ROM;
0 - From Hardware
strapping

A A

-SCS_1 SBEESEL

-AGPBZ

R64 4.7K

VRDSLP

R65 4.7K

VIDSEL

R66 4.7K

R69 X_4.7K
R71 X_4.7K
R72 X_10K

R74 10K

R76 4.7K

-SUSB

-SUSC

-RI

-THRM

INTRUDER

Strapping

R77 4.7K

Enable CPU FREQ
strapping

Enable Auto Reboot

R83 4.7K

Enable LPC ROM

0

SPKR

VCC3

R81
X_2.7K

-SOE

-S_ROMCS

VCC3

CLE NO SUPPORT

R84

X_1K

SDA1

VCC3

R90

X_4.7K

-SDCS1

R91 X_10K

BIOS PORTING(ACR)
EXTERNAL EEPROM1

5VSB

R59 1K

R61
3K

VBAT1

12

R63 1K

YSKTBT

C40 10P

Y1

C41 10P

5

32.768KHZ

VCC3

3 4
7 8
3 4
7 8

RN21A1 2
RN21C 8P4R-4.7K5 6

RN21D
RN23A1 2
RN23B
RN23C5 6
RN23D

-PWROK_NB(7)
PWROK_SB(26)

A C

SB_OSC14(13)

-RSMRST(26,28)

ATADET1(25)

-SUSST(7)

-SUSA(7)

-SUSB(26,28)

-SUSC(26)

-THRM(15)

CPUMISS(3)

SMBCK(11,13,26)
SMBDT(11,13,26)

D1

1N4148S

D2

1N5817S

-PME(14,20)

SA16(13)
SA17(13)
SA18

SPKR(21,28)
SIRQ(15)

SB_OSC14

-PWROK_NB
PWROK_SB

-PWRBTN_S

-RSMRST

-RI

-EXTSMI

-PME
ATADET1

-BATLOW

-SUSST
SUSCLKIN

-SUSA

-SUSB

-SUSC

-CLKRUN

-CPUSTP

-PCISTP

-THRM
CPUMISS
INTRUDER

-AGPBZ
VRDSLP
VIDSEL

-SMBALRT
SMBCK
SMBDT
SMBCLK2
SMBDATA2

XD0
XD1
XD2
XD3
XD4
XD5
XD6
XD7

SA16
SA17
SA18
SA19

-S_ROMCS

-SOE

-IOR

-IOW

-IORDY
SPKR
SIRQ

4

R87

4.7K

4

C39
X_103P

TEST

X_ELS47U/16V-C

AD4

RTCX1

AF3

RTCX2

AC12

OSC

AE2

PWROK

AF4

PWRGD

AD2

PWRBTN

AD5

RSMRST

Y2

RING/GPI3

AA1

EXTSMI/GPI2

W3

PME/GPI6

AC1

LID/GPI4

W4

BATLOW/GPI5

Y3

SUSST1/GPO3

AB1

SUSCLK/GPO4

AA2

SUSA/GPO1

AF2

SUSB/GPO2

AF1

SUSC

AF5

CLKRUN

AC7

CPUSTP/GPO5

AF6

PCISTP/GPO6

Y4

AOLGPI/GPI18

Y1

CPUMISS/GPI17

AD3

INTRUDER/GPI16

A8

AGPBZ

P24

VRDSLP

P25

VIDSEL

AB2

SMBALRT/GPI7

AB3

SMBCK1

AC2

SMBDT1

AE1

SMBCK2/GPI27/GPO27

AD1

SMBDT2/GPI26/GPO26

AC14

XD0

AC13

XD1

AF14

XD2

AE14

XD3

AD14

XD4

AF13

XD5

AE13

XD6

AD13

XD7

AF11

SA16/GPO16

AE11

SA17/GPO17

AD11

SA18/GPO18

AC11

SA19/GPO19

AE12

MEMR

AF10

MEMW

AF12

ROMCS/KBCS

AD12

SOE

AC10

IOR/GPI22/GPO22

AD9

IOW/GPI23/GPO23

AF9

TEST

AD10

IORDY/GPI19

AE9

SPKR

AE10

SERIRQ

+

EC2

VBAT

JBAT1

1
2
3

YJ103

AE4

VBAT

PWM

SMBUS

ISA

GND

GND

L12

M12

N12

SA18

SA18 IOQ Depth

104 Level

3VDUAL

AA4

AB4

AC4

AC5

VSUS33

VSUS33

VSUS33

VSUS33

GND

GND

GND

GND

GND

GND

P12

R12

T12

AB12

L13

M13

R92

10K

R94 X_10K

1 Level

VCC3

GND

N13

GND

3

Place on Solder side

EC1

C31

104P

Y21

AA21

VCC33

VCC33

AB10

AB11

VCC33

VCC33

AB14

+

X_1000U/6.3V

VCC3

AB15

AB20

AB21

AC18

VCC33

VCC33

VCC33

VCC33

AC19F7F8

VCC33

VCC33

VCC33

VCC33

F12

F13

VCC33

VCC33

F16

VCC33

C32
X_104P/B

F17

VCC33

IDE1

PDIOR/PHDMARDY/PHSTROBE

PDRDY/PDDMARDY/PDSTROBE

IDE2
/ISA

SDIOR/SHDMARDY/SHSTROBE

SDRDY/SDDMARDY/SDSTROBE

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

T14

L15

M15

N15

R95 X_10K

3

GND

GND

P15

T15

R15

VCC3VCC3

SA19 G TL pullup

R93

1K

Enable1
Disable0

GND

GND

GND

GND

L14

M14

N14

P14

P13

R14

R13

T13

AB13

C33
X_104P/B

U4B

PDD0
PDD1
PDD2
PDD3
PDD4
PDD5
PDD6
PDD7
PDD8

PDD9
PDD10
PDD11
PDD12
PDD13
PDD14
PDD15

PDA0
PDA1
PDA2

PDCS1
PDCS3

PDDACK

PDDRQ

IRQ14

PDIOW/PSTOP

PVREF

PCOMPP

SA0/SDD0
SA1/SDD1
SA2/SDD2
SA3/SDD3
SA4/SDD4
SA5/SDD5
SA6/SDD6
SA7/SDD7
SA8/SDD8

SA9/SDD9
SA10/SDD10
SA11/SDD11
SA12/SDD12
SA13/SDD13
SA14/SDD14
SA15/SDD15

SDA0
SDA1
SDA2

SDCS1
SDCS3

SDDACK

SDDRQ

IRQ15

SDIOW/SSTOP

SVREF

SCOMPP

VT8235-A3

SA19

C34
X_104P/B

AA24
AA25
AB24
AC26
AC24
AD25
AE26
AF25
AF26
AD24
AD26
AC25
AB23
AB26
AA26
AA22

Y23
V25
V26

V24
W24
W26
Y22
AE24
Y25
Y24
Y26
W22
W23

AF15
AD16
AF16
AF17
AE17
AD18
AF18
AE18
AF19
AD19
AD20
AF20
AE20
AD21
AF21
AE21

AE23
AC22
AF23

AC23
AD23
AD22
AE15
AF24
AC21
AF22
AD15
AD17
AC15

VCC3

C35
X_104P/B

PDD0
PDD1
PDD2
PDD3
PDD4
PDD5
PDD6
PDD7
PDD8
PDD9
PDD10
PDD11
PDD12
PDD13
PDD14
PDD15

PDA0
PDA1
PDA2

-PDCS1

-PDCS3

-PDDACK
PDREQ
IRQ14

-PDIOW

-PDIOR
PIORDY
PVREF
PCOMPP

SDD0
SDD1
SDD2
SDD3
SDD4
SDD5
SDD6
SDD7
SDD8
SDD9
SDD10
SDD11
SDD12
SDD13
SDD14
SDD15

SDA0
SDA1
SDA2 SDA[2..0]

-SDCS1

-SDCS3

-SDDACK
SDREQ
IRQ15

-SDIOW

-SDIOR
SIORDY
SVREF
SCOMPP

C44
104P

C36
X_104P/B

PDD[15..0]

PDA[2..0]

-PDCS1 (25)

-PDCS3 (25)

-PDDACK (25)
PDREQ (25)
IRQ14 (25)

-PDIOW (25)

-PDIOR (25)
PIORDY (25)

SDD[15..0]

-SDCS1 (25)

-SDCS3 (25)

-SDDACK (25)
SDREQ (25)
IRQ15 (25)

-SDIOW (25)

-SDIOR (25)
SIORDY (25)

R88 68

2

PVREF

C37
104P

R78 360RST

R86 360RST

-PWBTIN-PWRBTN_S

2

VCC3

R60

1KST

R62

C38

383RST

473P

VCC3

R67

1KST

SVREF

R68

C43

C42
104P

PDD[15..0] (25)

PDA[2..0] (25)

SDD[15..0] (25)

SDA[2..0] (25)

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

383RST

473P

0B

-PWBTIN (28)

Micro Star Restricted Secret

VT8235 SB-2

SB Pull up resistors

-IOW

-CPUSTP

-PCISTP

-CLKRUN

-SLP

-SLP(3,8)

-IOR

-IORDY
SIRQ

SIRQ(15)

-WSC(8)

-SUSA(7)

CPUMISS(3)

-SUSST(7)

-PME(14,20)

GPO0(10)

GPI0(10)

-LDRQ

SAPICCLK

-WSC

GPIOE
GPIOD
GPIOC
GPIOA

IRQ14
IRQ15

MS-6723

Last Revision Date:
Sheet

-LDRQ(8,15)

SAPICCLK(8,13)

GPIOE(10)
GPIOD(10)
GPIOC(10)
GPIOA(10)

-PWROK_NB(7)

-PWRBTN_S

1

VCC3

RN18

1 2
3 4
5 6
7 8

8P4R-4.7K

RN19

1 2
3 4
5 6
7 8

8P4R-4.7K

R70 4.7K

R73 X_4.7K

R75 1K

RN20

1 2
3 4
5 6
7 8

8P4R-4.7K

VCC5

R79 X_8.2K
R80 X_8.2K

-SUSA
SUSCLKIN
CPUMISS

-BATLOW

SMBCLK2

-PWROK_NB

-PWRBTN_S
SMBDATA2

-EXTSMI

-RI

-SUSST

-PME

GPO0

-SMBALRT
SMBDT
SMBCK

GPI0

RN22

1 2
3 4
5 6
7 8

8P4R-4.7K

RN24

1 2
3 4
5 6
7 8

8P4R-4.7K

RN25

1 2
3 4
5 6
7 8

8P4R-4.7K

RN26

2
4
6
8

8P4R-1K

R89 4.7K

1
3
5
7

Rev

Wednesday, February 26, 2003

9

1

29

of

3VDUAL

3VDUAL

VCC3

VBAT

0B