UP-5900VS
CIRCUIT DIAGRAM
9 – 3
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
1-2-1 CLOCK GENERATOR
South
Bridge
SMBus
CLOCK generator
SMBus=1101001b
CLOCK
CPU
VCC3
CLOCK
VCC3
VCC3
fs0
fs1
fs3
fs1
mode
fs
2
fs3
fs0
fs2
mode
SMBCLK
SMBDATA
CPU_STP#
14
PCI_STP#
14
100/66#
5,8
SMBCLK
5,9,14
SMBDATA
5,9,14
CLK_SDRAM1
9
CLK_SDRAM4
9
CLK_SDRAM7
9
CLK_48M
17
CLK_SDRAM3
9
CLK_CPU
5
CLK_SDRAM0
9
CLK_SDRAM_FEEDBACK
8
CLK_SDRAM2
9
OSC14M_VGA
3
2
CLK_CPU_APIC
5
CLK_SDRAM5
9
CLK_PCI_SOUTH
12
CLK_SDRAM6
9
CLK_CPU_NORTH
7
CLK_SDRAM_BUFFERIN
8
CLK_PCI_NORTH
10
OSC14M_SOU
T
H
15
CLK_PCI_RISER0
3
0
CLK_PCI_LAN
2
9
VCC2.5
VCC3
VCC3_CLK
VCC3_CLK
VCC2.5_CLK
VCC3_CLK
VCC3_CLK
VCC3_CLK
VCC3_CLK
VCC3_CLK
VCC3
VCC3
VCC_CPU_CMOS
VCC2.5_CLK
VCC3_CLK
VCC3_CLK
VCC3_CLK
VCC3_CLK
C105
10UF(3216)
2
1
C106
10UF(3216)
2
1
C107
10UF(3216)
2
1
C109
10UF(3216)
2
1
C110
10UF(3216)
2
1
FB7
1
2
F
B
C108
10UF(3216)
2
1
R27
33
1
2
R28
33
1
2
R31
33
1
2
R32
0
1
2
R38
10
1
2
R37
10
1
2
FB8
1
2
F
B
R44
10
1
2
R43
10
1
2
R42
10
1
2
R41
10
1
2
JR1
200(23)
1
3
2
R46
33
1
2
JR4
10K(23)
1
3
2
R50
33
1
2
C120
27PF
2
1
R49
33
1
2
R35
22
1
2
C104
27PF
2
1
R33
22
1
2
R34
22
1
2
R45
0
1
2
C111
27PF
2
1
IC
7
ICS9248-39
19
48
36
30
7
31
8
32
10
47
38
25
11
37
46
12
3
35
13
2
34
1
29
9
28
20
21
16
26
22
44
43
4
41
45
15
17
18
39
33
27
5
6
40
14
23
24
42
VDDSDRAM
VDDIOAPIC
VDDSDRAM
VDDSDRAM
MODE/PCI_F
SDRAM5
FS3/PCI0
SDRAM4
PCI1
IOAPIC
SDRAM0
FS1/24MHz
PCI2
SDRAM1
FS2/REF1
PCI3
GND
SDRAM2
PCI4
PCI_STOP#/REF0
SDRAM3
VDDREF
SDRAM6
GND
SDRAM7
SDRAM9
SDRAM8
GND
FS0/48MHz
GND
CPU_F
CPU1
XIN
CPU_STOP#
GND
BUFFREIN
SDRAM11
SDRAM10
GND
GND
VDD2448
XOUT
VDDPCI
SDRAM_F
VDDPCI
SDATA
SCLK
VDDCPU
C482
1000PF
2
1
R47
10
1
2
R48
0
1
2
R39
10
1
2
R40
10
1
2
IC8C
74LVC08(TSSOP)
9
10
8
7
14
R36
10
1
2
IC8B
74LVC08(TSSOP)
4
5
6
7
14
C481
560PF
2
1
JP3
SHORT PIN
1
3
2
FB101
22
1
2
C97
10PF
2
1
C83
36PF
2
1
C114
10PF
2
1
C82
36PF
2
1
X1
14.31818MHz(SMD-49)
FB6
1
2
F
B
C94
100PF
2
1
C88
0.01UF
2
1
C87
0.01UF
2
1
C92
0.01UF
2
1
C86
0.01UF
2
1
IC8D
74LVC08(TSSOP)
12
13
11
7
14
C91
0.01UF
2
1
C90
0.01UF
2
1
C84
0.01UF
2
1
C85
0.01UF
2
1
C93
100PF
2
1
C89
0.01UF
2
1
C113
10PF
2
1
C96
10PF
2
1
C112
10PF
2
1
C95
10PF
2
1
C115
10PF
2
1
C98
10PF
2
1
C100
27PF
2
1
C101
27PF
2
1
C116
27PF
2
1
C117
27PF
2
1
C102
27PF
2
1
C119
10PF
2
1
C118
10PF
2
1
C103
47PF
2
1
JR2
10K(12)
1
3
2
IC8A
74LVC08(TSSOP)
1
2
3
7
14
JR5
10K(12)
1
3
2
C99
27PF
2
1
JR6
10K(23)
1
3
2
JR3
10K(23)
1
3
2
R30
10K
1
2
R29
10K
1
2