Service manual
Schematic Diagrams
LPC Super I/O (71-M1900-D02) B - 22
Schematic Diagrams
LPC Super I/O
Sheet 20 of 34
LPC Super I/O
+3VS
+3VS
+3VS
+3VS
+3VS
+3VS
+5VS+5VS
FIRVCC
FIRGND
FIRGND
FIRVCC
+3VS
+5VS
SOUTA (26)
TRK0#(13)
SIO48M(4)
WRPRT#(13)
STEP#(13)
INDEX#(13)
SERIRQ(14,17,22)
WGATE#(13)
DTRA (26)
PCIRST#(9,12,13,18,19,22)
SINA (26)
RTSA# (26)
LPC_AD[0..3](14,22)
WDATA#(13)
MTR0#(13)
RDATA#(13)
DRV0#(13)
LPC_DRQ#(14)
DSRA# (26)
CTSA# (26)
PCICLKIO(4)
DISKCHG#(13)
DCDA# (26)
DIR#(13)
PME#(17,19,21,22,23
)
3MODE#(13)
HDSEL#(13)
LPC_FRAME#(14,22)
RIA# (23,26)
SOUTA
DTRA
RTSA#
MEMR#
BIOSCS#
SINA
DSRA#
CTSA#
DCDA#
3MODE#
WRPRT#
DISKCHG#
RDATA#
TRK0#
INDEX#
WRPRT#
SOUTA
DRV0#
IRRX
MEMR#
HDSEL#
MTR0#
SA13
SA17
SA15
SA18
SIO48M
PCICLKIO
INDEX#
TRK0#
RDATA#
WGATE#
SA12
SA5
SINA
SERIRQ
LPC_AD1
SD3
DCDA#
MEMW#
SA6
SA4
LPC_AD[0..3]
BIOSCS#
SA3
IRTX
WDATA#
LPC_FRAME#
LPC_DRQ#
SA11
PCICLKIO
RTSA#
DISKCHG#
SA16
SD1
DTRA
SA14
SD4
SA7
SA1
SA0
PCIRST#
SA2
LPC_AD0
BID0
FLASH#
RIA#
SD5
SA8
BID0
DIR#
3MODE#
CTSA#
STEP#
SD6
SD2
SA9
SA10
LPC_AD2
SD7
LPC_AD3
DSRA#
IRMODE
SD0
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
BIOSCS#
MEMR#MEMW#
SA9
SA8
SA1
SA11
SA3
SA6
SA16
SA2
SA0
SA15
SA14
SA12
SA13
SA5
SA7
SA4
WBIOS#
SA17
SA18
FLASH#
SA10
BID1
BID1
MEMW#
IRRX
IRMODE
IRTX
SD6
SD7
SD5
SD0
SD1
SD2
SD3
SD4
SA2
SA1
SA0
SA17
SA16
SA15
SA18
SA13
SA12
SA11
SA14
SA6
SA5
SA4
SA3
SA10
SA9
SA8
SA7
C369
10P(R)
T
T
T
R243
10K
R242
10(R)
RN12 8P4R-47K
8 1
7 2
6
5
3
4
RN14 8P4R-10K
8 1
7 2
6
5
3
4
RN13 8P4R-10K
8 1
7 2
6
5
3
4
R27 4.7K(R)
R29 10K(R)
R28 10K
R307 10K(R)
R311
10(R)
T
PC87393
U15
PC87393
15
16
17
18
8
9
12
6
7
11
10
19
20
14
39
63
88
13
38
64
89
21
22
23
24
25
26
27
28
29
30
31
32
33
34
52
50
48
46
45
44
43
42
35
36
37
40
41
47
49
51
53
54
55
56
57
58
59
60
61
62
70
69
68
67
66
3
2
1
100
99
98
97
96
4
5
73
71
72
74
75
76
77
78
79
80
81
82
83
84
85
86
87
90
91
92
93
94
95
LAD0
LAD1
LAD2
LAD3
LCLK
LRESET#
LFRAME#
CLKRUN#/GPIO36
LPCPD#
LDRQ#
SERIRQ
SMI#/GPIO35
CLKIN
VDD
VDD
VDD
VDD
VSS
VSS
VSS
VSS
DSKCHG#
HDSEL#
RDATA#
WP#
TRK0#
WGATE#
WDATA#
SETP#
DIR#
DR0#
MTR0#
INDEX#
DENSEL
DRATE0/IRSL2
PD0/INDEX#
PD1/TRK0#
PD2/WP#
PD3/RDATA#
PD4/DSKCHG#
PD5/MSEN0
PD6/DRATE0
PD7/MSEN1
PNF/XRDY
SLCT/WGATE#
PE/WDATA#
BUSY_WAIT#/MTR1#
ACK#/DR1#
SLIN#_ASTRB#/STEP#
INIT#/DIR#
ERR#/HDSEL#
AFD#_DSTRB#/DENSEL
STB#_WRITE#
DCD1#
DSR1#
SIN1
RTS1#/TEST
SOUT1/XCNF0
CTS1#
DTR1#_BOUT1/BADDR
RI1#
IRTX
IRRX1
IRRX2_IRSL0
IRSL1
IRSL3/PWUREQ#
XD0/GPIO00/JOYABTN1
XD1/GPIO01/JOYBBTN1
XD2/GPIO02/JOYAY
XD3/GPIO03/JOYBY
XD4/GPIO04/JOYBX
XD5/GPIO05/JOYAX
XD6/GPIO06/JOYBBTN0
XD7/GPIO07/JOYABTN0
XWR#/XCNF1
XRD#/GPIO34/WDO#
XIOWR#/XCS1#/MTR1#/DRATE0
XIORD#/GPIO37/IRSL2/DR1#
XCS0#/DR1#/XDRY/GPIO25
XA19/DCD2#/JOYABTN0/GPIO17
XA18/GPIO16/JOYBBTN0/DSR2#
XA17/GPIO15/JOYAX/SIN2
XA16/GPIO14/JOYBX/RTS2#
XA15/GPIO13/JOYBY/SOUT2
XA14/GPIO12/JOYAY/CTS2#
XA13/GPIO11/JOYBBTN1/DTR2#_BOUT2
XA12/GPIO10/JOYABTN1/RI2#
XA11/GPIO33/XIOWR#/MDTX
XA10/GPIO32/XIORD#/MDRX
XA9/GPIO31/MTR1#/PIRQD
XA8/GPIO30/PIRQC
XA7/GPIO27/PIRQB
XA6/GPIO26/PRIQA/XSTB2#
XA5/XSTB1#/XCNF2
XA4/GPIO24/XSTB0#
XA3/GPIO23
XA2/GPIO22
XA1/GPIO21
XA0/GPIO20
T
T
T
T
T
R41 20K
T
T
T
T
T
T
T
R256 0(R)
C446
0.1UF
R306 10K
R31
10K
R30
10K(R)
R314
10K
U16
TC7S32F
1
2
3
5
4
IN
IN
GND
VCC
OUT
U4
MX29F004
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
3
2
22
24
1
31
13
14
15
17
18
19
20
21
32
16
30
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
CE
OE
VPP
PGM
O0
O1
O2
O3
O4
O5
O6
O7
VCC
GND
A17
R315
1K
C379
0.1UF
C276
0.1UF
R310 47K
T
T
T
T
T
RN8
8P4R-18
18
27
36
45
RN7
8P4R-18
18
27
36
45
U9
HSDL-3600
1
2
7
6
8
9
3
10
4
5
11
VCC
AGNDD
GND
NC
RXD
TXD
FIR_SEL
LEAD
MDO
MD1
GNDPAD
JA1
SHORT-A
1 2 C228 0.1U
C227 0.047U
C226 10U/1206
L27
BK2125HS121
R203
47K
R204 2.2K
R205 2.2K
R536
4.7K
R202
4.7K(R)
C315
0.1UF
C275
0.1UF
R299 8.2K
R298 8.2K
R257 8.2K
RP44
10P8R-8.2K
1
2
3
4
5
10
9
8
7
6
1
2
3
4
5
10
9
8
7
6
RP36
10P8R-8.2K
1
2
3
4
5
10
9
8
7
6
1
2
3
4
5
10
9
8
7
6
RP41
10P8R-8.2K
1
2
3
4
5
10
9
8
7
6
1
2
3
4
5
10
9
8
7
6
C230
1000P
C206
4.7U
T
PLACE NEAR PC87393
BASE ADDRESS CONFIGURATION
DTRA# PULL-UP :4E
DTRA# PULL-DOWN :2E (DEFAULT)
XBUS RESET CONFIGURATION