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D - 30 LPC Bridge & Super I/O (71-88800-D04) - For 8880
8880 Schematic Diags
LPC Bridge & Super I/O
Sheet 29 of 45
LPC Bridge &
Super I/O (8880)
VCC3S
VCC3S
VCC3S
VCC3S
VCC3S
VCC3S
VCC3
MBID1
MBID0
LAD2
LAD1
LAD0
SCNF2
SOUTA
PINIT#
IRMODE
PPERR#
WRPRT#
IRTX
BIOSCS#
IRRX
MEMW#
DTRA#
PATFD#
DISKCHG#
TRK0#
RDATA#
PRT_NFDD#
PSTB#
MEMR#
INDEX#
3MODE#
LAD3
LDRQ#
FSMI#
LAD1
PCLK_LPC
DRV0#
RIA#
HDSEL#
DIR#
PD6
MEMW#
SA15
LFRAME#
RDATA#
PD5
DCDA#
SA13
WGATE#
INDEX#
SD1
SD2
SD5
PD0
PD7
SD4
SA3
PACK#
LAD3
SUS_STAT#
PSLCT
DSRA#
IRQ1
SA0
LPC_PME#
DISKCHG#
TRK0#
PD3
PPE
SA2
SD[0..7]
LAD0
LAD2
SERIRQ
CTSA#SD3
MTR0#
SA18
SA14
393-48M
WRPRT#
PD1
PSLIN#
BIOSCS#
3MODE#
PD2
SOUTA
SINA
DTRA#
MBID1
SCNF2
STB0#
SD0
SD7
LAD[0..3]
WDATA#
PD4
RTSA#
SD6
PCIRST#
LDRQ#
FSMI#
SA16
SA1
STEP#
PBUSY
MEMR#
SA17
SA12
MBID0PCLK_LPC
393-48M
CLKRUN#
IRQ1
RIA#
RTSA#
CTSA#
SINA
DSRA#
DCDA#
MBID1
MBID0
CLKRUN#
R771 0(R)
T287
T288
T290
T289
T286
RP1
10P8Rx4.7K
1
2
3
4
5
10
6
7
8
9
R18 10K
RN1 8P4R-10K
1
2
3
4
7
6
5
8
R711 10K
R717 10K
R21 10K(R)
R704 10K
T293
R72010K
R699 10K
R722 1K
R721 10K
T291
R14 R(10K)
R703
R(10K)
T292
FDCCOM
LPTIR
LPC
ISA
POWER
U54
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
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
65
66
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
INDEX#/PD0
TRK0#/PD1
WP#/PD2
RDATA#/PD3
DSKCHG#/PD4
MSEN0/PD5
DRATE0/PD6
MSEN1/PD7
XRDY/PNF
WGATE#/SLCT
WDATA#/PE
MTR1#/BUSY_WAIT#
DR1#/ACK#
STEP#/SLIN#_ASTRB#
DIR#/INIT#
HDSEL#/ERR#
DENSEL/AFD#_DSTRB#
STB#_WRITE#
DCD1#
DSR1#
SIN1
TEST/RTS1#
XCNF0/SOUT1
CTS1#
BADDR/DTR1#_BOUT1
RI1#
IRTX
IRRX1
IRRX2_IRSL0
IRSL1
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
NC
PWUREQ#/IRSL3
R707 R
C954
C
2 1
R712 33
Y12
48MHZ-OSC
1
2
4
3
CNT
GND
VCC
OUT
C963
0.1U
C941
0.1U
C983
0.1U
C942
4.7U(1206)
C982
4.7U(1206)
C962
0.1U
C15 0.1U
T285
R694 10K
R714 47K
R719 4.7K(R)
RN113 8P4R-47K
1
2
3
4
7
6
5
8
R690
R
R692
R
R693
10K
R691
10K
LFRAME#21,31,40
LDRQ#21
PCIRST#11,20,23,33,36,40
DRV0# 30
PD[0..7] 28
PACK# 28
PBUSY 28
PPERR# 28
PPE 28
PSLCT 28
PINIT# 28
IRRX 30
IRTX 30
IRMODE 30
PSLIN# 28
PATFD# 28
PSTB# 28
PCLK_LPC10
DSRA# 30
SOUTA 30
DCDA# 30
CTSA# 30
DTRA# 30
SINA 30
RIA# 30
RTSA# 30
LAD[0..3]21,31,40
393-48M
SUS_STAT#11,21,27,31
SERIRQ20,31..33,40
SD[0..7]28
DIR# 30
MTR0# 30
STEP# 30
WDATA# 30
WGATE# 30
HDSEL# 30
INDEX# 30
TRK0# 30
WRPRT# 30
RDATA# 30
DISKCHG# 30
3MODE# 30
MEMW#28
MEMR#28
BIOSCS#28
LPC_PME#20,21,31,40
393-48M
CLKRUN#20,31..33,35
SA028
SA128
SA228
SA328
SA1228
SA1328
SA1428
SA1528
SA1628
SA1728
SA1828
STB0#28
CLK48_IO10
XBUS RESET CONFIGURATION
SCNF0
SCNF1
BASE ADDRESS CONFIGURATION
DTR1# PULL-UP : 4E
DTR1# PULL-DOWN: 2E (DEFAULT)
Close to PC87393
FDD
LPC
Close to PC87393
CLOSE TO PC87393
COM