MSI MS-6786 Schematics

8

A

7

6

5

4

3

2

1

SA[18:0]{21}

AMD CPU Thermal Protection Circuit

D D

AMD Thermal protection

VCC5SBY

C12104P

6
54

TXRTXD

-PSON

R17

10KST

C13

X_104P

-PSON_A

R507
0

C22

X_104P

U3 SNSR-ATTP1

1 8

SIREN# 5VSB

2 7

GND VREF

3

PSON_IN#

PSON_OUT#

R25

4.32KST

SPKALARM{26}

-PSON_A{26} -PSON {26}

CPUTD{5,22}

SA18{21}

R29

X_0R

XA18

SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
SA11
SA12
SA13
SA14
SA15
SA16
SA17

R36

4.7K

12
11
10

27
26
23
25

28
29

30

9
8
7
6
5

4

3
2

1

U5

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18

PLCC-32

VCC

GND

CE#
OE#

PGM#

ROMCS# {21}
MEMR# {21}
MEMW# {21}

SD[7:0] {21}

D0
D1
D2
D3
D4
D5
D6
D7

SD1

14

SD2

15

SD3

17

SD4

18

SD5

19

SD6

20

SD7

21

VCC5

32

C259
475P/0805

16

ROMCS#

22

MEMR#

24

MEMW#

31

SD0

13

SELECT 2MB OR 4MB
2M Open

C C

VCC3

VCORE

+12V

-12V

B B

R19 10KST

R21 10KST
R14 28KST
R8 232KST
R42 120KST

-5V

VREF

R26

10KST

R35
X_10KST

10KST

RT1

t

10KRT1%

R24 10KST

R12
56KST

R23
56KSTR15

VREF

+3.3VIN {21}
V_CORE {21}
+12VIN {21}

-12VIN {21}

-5VIN {21}

VREF {21}

VTIN1 {21}
CPUTD {5,22}
VTIN2 {21}

4M
Short

VCC5

SD3
SD2
SD1
SD0
SD7
SD6
SD5
SD4

ROMCS#
MEMR#
MEMW#

RN19

1

1

2

2

3

3

4

4

6

6

7

7

8

8

9

9510

10P8R-4.7K

RN16

7 8
5 6
3 4
1 2

8P4R-4.7K

VCC5

5

10

VCC5

t

RT2
X_10KRT1%

MICRO-STAR INT'L CO.,LTD.

Title

CNR & ROM & Battery

Size Document Number Rev

MS-6786 0A

B

20 29Tuesday, May 20, 2003

8

7

6

5

4

3

Date: Sheet

2

of

1

A