UP-5900VS
CIRCUIT DIAGRAM
9 – 14
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
1-5-4 SOUTH BRIDGE
(ISA & XD I/F)
South Bridge (4/5)
CLOCK
RTC
ISA interface
BIOS interface
ISA interface
IRQ devices List
-----------------
IRQ00: timer
IRQ01: KBC
IRQ02: 8259
IRQ03: COM2
IRQ04: COM1
IRQ05: PCI
IRQ06: FDC
IRQ07: LPT
IRQ08: RT
C
IRQ09: SCI
IRQ10: PCI
IRQ11: POStimer
IRQ12: SS-LAN
IRQ13: coprocessor
IRQ14: P-IDE
IRQ15: S-IDE
Sound interface
SouthBridge
ISA I/F
ISA interface
VCC3
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
SA11
SA12
SA13
SA14
SA15
SA16
SA17
SA18
SA19
LA17
LA18
LA19
LA20
LA21
LA22
LA23
DREQ5
DREQ6
DREQ7
DACK#5
REFRESH#
MEMCS16#
DREQ3
DREQ1
DREQ2
SD8
SD9
SD10
SD11
DACK#3
DACK#1
DACK#2
LA20
LA17
LA18
LA19
SA11
SA2
SA3
SA8
SA0
SA1
SA9
SA10
PIRQ15
IRQ14
PIRQ11
IRQ12
SA5
SA4
SA6
SA7
SA18
SA19
SA17
SA16
IRQ7
PIRQ9
PIRQ10
IRQ6
SA13
SA15
SA14
SA12
SD14
SD12
SD13
SD15
LA22
LA23
LA21
IOW#
MEMW#
MEMR#
IOR#
IRQ5
IRQ1
PIRQ3
PIRQ4
SD9
SD4
SD2
SD7
SD5
SD1
SD10
SD4
SD5
SD15
SD1
SD6
SD6
SD11
SD12
SD13
SD7
SD3
SD0
SD2
SD3
SD0
SD8
SD14
IOCHK#
IRQ5
DACK#7
DACK#6
DACK#0
DREQ0
IOCS16#
OWS#
DACK#0
DACK#5
DACK#6
DACK#7
OWS#
IOCHRDY
DREQ0
DREQ7
DREQ5
DREQ6
IOCHK#
IOCS16#
OSC14M_SOU
T
H
ROMCS#
16
SA[0..19]
16,18,26,27
DACK#3
1
8
DACK#2
1
8
DACK#1
1
8
DREQ3
18
OSC14M_SOU
T
H
4
DREQ2
18
DREQ1
18
IRQ14
17
PIRQ4
26
PIRQ3
26
IRQ7
18
IRQ6
18
IRQ1
18,27
IRQ12
18,27
PIRQ15
26
PC_BEEP
27
MEMW#
16,26
TC
18
MEMR#
16,26
AEN
16,18,26
IOW#
16,18,26,27
IOR#
18,26,27
PIRQ9
26
PIRQ10
26
PIRQ11
26
BALE
2
6
REFRESH#
26
SYSCLK
27
SD[0..15]
16,18,26,27
MEMCS16#
26
IOCHRDY
18
RSTDRV#
17,27,33
RSTDRV
16,18,26
RCIN#
27
A20GATE
27
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC3
VCC
VCC3
VCC3
VCC
C496
100PF
2
1
TP56
R138
2.7K
1
2
BR57
1K-4
1
8
2
7
3
6
4
5
R194
4.7K
1
2
C266
5PF
2
1
C267
10PF
2
1
X2
32.768KHz(DT-26)
R139
0
1
2
BR56
10K-8(EXBE10C103J)
9
1
10
8
2
7
3
6
4
5
BR59
10K-4
1
8
2
7
3
6
4
5
C474
?
2
1
C265
2PF
2
1
R140
1M
1
2
TP5
5
1
TP57
BR54
10K-8(EXBE10C103J)
9
1
10
8
2
7
3
6
4
5
TP298
C268
1000PF
2
1
BR63
10K-8(EXBE10C103J)
9
1
10
8
2
7
3
6
4
5
BR64
10K-8(EXBE10C103J)
9
1
10
8
2
7
3
6
4
5
BR60
5.6K-4
1
8
2
7
3
6
4
5
BR65
10K-8(EXBE10C103J)
9
1
10
8
2
7
3
6
4
5
BR61
10K-8(EXBE10C103J)
9
1
10
8
2
7
3
6
4
5
BR62
10K-8(EXBE10C103J)
9
1
10
8
2
7
3
6
4
5
BR55
10K-8(EXBE10C103J)
9
1
10
8
2
7
3
6
4
5
R141
8.2K
1
2
R142
8.2K
1
2
C473
?
2
1
TP300
C269
1000PF
2
1
BR45
5.6K-4
1
8
2
7
3
6
4
5
TP301
IC13D
PIIX4e
P1
T7
N20
W1
U17
U14
V15
W7
V11
U15
Y1
W6
T3
Y10
W4
Y3
V5
U10
T15
V16
Y4
U3
V10
W17
Y14
Y5
V14
T4
Y12
T13
V12
W12
W13
U12
Y8
V8
U8
W9
T9
J20
R20
N19
M3
M2
W16
V1
U1
M4
T1
Y2
W2
T2
U2
W15
U6
V2
U5
Y16
U16
W3
V3
T12
Y13
V13
U13
W14
T14
Y15
V4
U4
W19
Y19
W18
Y18
V17
Y17
T16
W5
T5
Y6
V6
Y7
V7
U7
W8
T8
Y9
V9
U9
W10
T10
Y11
W11
T11
U11
J19
K17
A20GATE
SYSCLK
RCIN#
RSTDRV
DREQ7
DACK#0
MEMR#
REFRESH#
OSC
MEMW#
IOCHK#/GPI0
DACK#1
IOCHRDY
DACK#2
SMEMR#
0WS#
DACK#3
BALE
DACK#5
DACK#6
AEN
SMEMW#
TC
DACK#7
IRQ15
IOR#
IRQ14
IOW#
MEMCS16#
IRQ12/M
IOCS16#
SBHE#
IRQ11
IRQ10
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
IRQ1
RTCX2
RTCX1
XDIR#/GPO22
BIOSCS#
SD8
SD7
IRQ9
XOE#/GPO23
SD6
SD5
SD4
SD3
SD2
DREQ0
DREQ1
DREQ2
DREQ3
DREQ5
DREQ6
SD1
SD0
GPO7/LA23
GPO6/LA22
GPO5/LA21
GPO4/LA20
GPO3/LA19
GPO2/LA18
GPO1/LA17
SA19
SA18
SD15
SD14
SD13
SD12
SD11
SD10
SD9
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
SERIRQ/GPI7
SPKR
IC17A
74LVA04(TSSOP)
1
2
14
7
R195
1K
1
2