MSI MS-6545 Schematics
8
7
6
5
4
3
2
1
D D
MS-6545
Title Page
Cover Sheet
C C
B B
Block Diagram
Processor Sockets
Clock Synthesizer
DRCG 9
MCH
SCK/CMD
RIMM 13,14
AGP Pro 15
ICH2
FWH
IDE Connectors
USB Connectors
INTEL (R) 850 CHIPSET
WILLAMETTE PROCESSOR SCHEMATICS
Title Page
1
2,3,4,5
6,7
8
10,11,12
12
16,17
18
19
20
PCI Connectors
Audio
LPC/Flopy Connector
Hardware Monitor
Parallel Port/Serial Port
KeyBoard/Mouse Ports
LAN
Pull-up Resistors
Front Pannel
VRM 9.0
Voltage Regulator
Diagnostic LED
21,22,23
24,25,26
27CNR
28
29
30
31
32
33
34
35
36
37
Options
E: LXXXXD STANDARD
C: AUDIO (CODEC ONLY)
D: DIAG. LED
T: AUDIO AMPLIFIER
M: MSI STANDARD
A A
N: W/O 82562EM
X: DEFAULT NOT STUFFED
Willamette Mother Board
Title
Size Document Number Rev
Custom
8
7
6
5
4
3
Date: Sheet
2
COVER
MS-6545 0B
of
140Thursday, September 13, 2001
1
8
RSLCT28
RPE28
D D
C C
RBUSY28
RACK#28
RINIT#28
RSLIN#28
RAFD#28
RERR#28
RSTB#28
PRND[0..7]28
VCC12
C60
0.1u
B B
VCC12-
6/16 UPDATED
FOR EMI
VCC
A A
C34
C120
0.1u
0.1u
8
PRND7
PRND6
PRND0
PRND1
PRND2
PRND3
PRND4
PRND5
PRND6
PRND7
PRND5
PRND4
PRND2
PRND3
PRND0
PRND1
7
RN4
12
34
56
78
33
RN6
12
34
56
78
33
RN8
1 2
3 4
5 6
7 8
33
RN10
1 2
3 4
5 6
7 8
33
R93
33
D5
1N4148-S-LL34
RTSA# NRTSA
RTSA#28
DTRA# NDTRA
DTRA#28
SOUTA NSOUTA
SOUTA28
RIA# NRIA#
RIA#28
CTSA# NCTSA#
CTSA#28
DSRA# NDSRA#
DSRA#28
SINA NSINA
SINA28
DCDA# NDCDA#
DCDA#28
D10
1N4148-S-LL34
C131
0.1u
RTSB# NRTSB
RTSB#28
DTRB# NDTRB
DTRB#28
SOUTB NSOUTB
SOUTB28
RIB# NRIB#
RIB#28
CTSB# NCTSB#
CTSB#28
DSRB# NDSRB#
DSRB#28
SINB NSINB
SINB28
DCDB# NDCDB#
DCDB#28
7
SLCT
PE
BUSY
ACK#
PRN7
PRN6
PRN5
PRN4
INIT#
PRN2
SLIN#
PRN3
AFD#
PRN0
ERR#
PRN1
STB#
U5
1
VDD(12V)
16
DA1
15
DA2
13
DA3
19
RA1
18
RA2
17
RA3
14
RA4
12
RA5
10
VSS(-12V)
TI-GD75232-SSOP20
U11
1
VDD(12V)
16
DA1
15
DA2
13
DA3
19
RA1
18
RA2
17
RA3
14
RA4
12
RA5
10
VSS(-12V)
TI-GD75232-SSOP20
6
8/11 UPDATED
6
VCC(5V)
VCC(5V)
5
VCC
D6
RN5
1
1
2
2
3
3
4
4
6
6
7
7
8
8
9
9510
4.7K
RN9
1
1
2
2
3
3
4
4
6
6
7
7
8
8
9
9510
4.7K
R92
1N4148-S-LL34
5
10
5
10
STB#
4.7K
C104
180p
20
5
DY1
6
DY2
8
DY3
2
RY1
3
RY2
4
RY3
7
RY4
9
RY5
11
GND
20
5
DY1
6
DY2
8
DY3
2
RY1
3
RY2
4
RY3
7
RY4
9
RY5
11
GND
VCC
NRIA# 31
VCC
NRIB# 31
5
PGND PGND
ACK#
123456
C350
0.1u
PRN7
PRN6
78
BUSY
PE
NRIA#
NCTSA#
NDSRA#
NRTSA
NRTSB
NDSRB#
NCTSB#
NRIB#
NDTRA
NSINA
NSOUTA
NDCDA#
PRN5
SLCT
78
PRN4
123456
CN4
CN5
180p
180p
X_COPPER
4
PGNDPGND
AFD#
123456
CN2
180p
CN8
1 2
3 4
5 6
7 8
180p
CN3
180p
CP3
4
INIT#
123456
PRN0
PRN2
ERR#
12
34
56
78
12
34
56
78
SLIN#
PRN1
78
PRN3
78
CN7
CN6
180p
180p
PGND
PGND
8/7 UPDATED
NDCDB#
NSOUTB
NSINB
NDTRB
3
NDCDB#
NDSRB#
NSINB
NRTSB
NSOUTB
NCTSB#
NDTRB
NRIB#
NDCDA#
NDSRA#
NSINA
NRTSA
NSOUTA
NCTSA#
NDTRA
NRIA#
3
2
PGND
COM2
1
6
2
7
3
8
4
9
5
COM-D9-GN
10 11
PGND
PGND
COM1
1
6
2
7
3
8
4
9
5
COM-D9-GN
10 11
SLCT
PE
BUSY
ACK#
PRN7
PRN6
PRN5
PRN4
PRN3
SLIN#
PRN2
INIT#
PRN1
ERR#
PRN0
AFD#
STB#
PGND
CN9
1 2
3 4
5 6
7 8
180p
PGNDPGND
Title
Size Document Number Rev
B
Date: Sheet
NRTSA
1
NDTRA
2
NSOUTA
3
4 5
NRTSB
1
NDTRB
2
NSOUTB
3
4 5
LPT/COM Port
MS-6545 0B
2
2628
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
PGND
U8
I/O1
I/O2
I/O3
I/O4 GND
X_TTA25B1-S-SO8
U10
I/O1
I/O2
I/O3
I/O4 GND
X_TTA25B1-S-SO8
1
LPT1
27
PGND
LPT-D25-BR-BI
8
GND
7
NC
6
NC
8
GND
7
NC
6
NC
30 40Thursday, September 13, 2001
1
PGND
PGND
of
8
7
6
5
4
3
2
1
KBGND
5VDUAL
C2
0.1u
C374
0.1u
R387
8.2K
FOR ESD
R377
1K
R7
47K
3VSB
B
STACKED PS2 CONNECTOR
JKBMS1
14
4
6
2
13
1
5
3
15 17
KBGND KBGND
XKBDAT1
XKBCLK1
XMSCLK1
XMSDAT1
CN1
1 2
3 4
5 6
7 8
47p
MINIDINx2-D12-ML
16
10
12
8
7
11
9
KBGND
R361
8.2K
ICH_RI#
ICH_RI# 17
C
Q47
NPN-3904LT1-S-SOT23
E
CP1
X_COPPER
3VSB
U30E
14
11 10
7
74LVC007S-SOIC14
4
3
Title
Keyboard/Mouse
Size Document Number Rev
MS-6545 0B
B
Date: Sheet
2
of
31 40Thursday, September 13, 2001
1
5VDUAL
D D
12
+
EC5
10u
RN1
4.7K
1 2
3 4
5 6
7 8
KBDAT#28
KBCLK#28
C C
MSCLK#28
MSDAT#28
F1
1.1A-S
L5
1 2
300
L4
1 2
300
L3
1 2
300
L2
1 2
L1
1 2
80_0805
XKBDAT1
XKBCLK1
XMSCLK1
XMSDAT1
300
B B
LAN WAKEUP HEADER
5VDUAL
C372
0.1u
R386
4.7K
JWOL1
3
2
1
D1x3-WH-HSNO
A A
8
R385
2.2K
3VSB
R378
8.2K
LAN_WAKE 17
C
Q48
B
NPN-3904LT1-S-SOT23
E
INTERNAL MODEM
WAKEUP HEADER
7
6
D4
1N4148-S-LL34
D9
1N4148-S-LL34
JMDM1
5
4
3
2
1
D1x5-BK
R376
10K
5VDUAL
C378
0.1u
NRIA#30
NRIB#30
5
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