
S875WP1-E TPS
Connectors and Jumper Blocks
Revision 4.0
43
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name
A25 Vcc3.3
B25 Vcc3.3
A58 Vddq
B58 Vddq
A26 AD30
B26 AD31
A59 AD_STB0# B59 AD_STB0
A27 AD28
B27 AD29
A60 AD6
B60 AD7
A28 Vcc3.3
B28 Vcc3.3
A61 Ground
B61 Ground
A29 AD26
B29 AD27
A62 AD4
B62 AD5
A30 AD24
B30 AD25
A63 AD2
B63 AD3
A31 Ground
B31 Ground
A64 Vddq
B64 Vddq
A32 AD_STB1#
B32 AD_STB1
A65 AD0
B65 AD1
A33 C/BE3#
B33 AD23
A66 VRREFG_C B66 VREFC_G
NOTE
The AGP connector is keyed for 1.5 V AGP cards only. Do not attempt to install a legacy
3.3 V AGP card. The AGP connector is not mechanically compatible with legacy 3.3 V AGP
cards.
5.4 Front
Panel
Connector
A high density, 34-pin SSI header is provided to support a system front panel. The header
contains reset, NMI, power control buttons, and LED indicators. The following table details the
pin out of the header.
Table 25. High-Density Front Panel 34-Pin Header Pin Out (J7J1)
Pin
Signal Name
Pin(s)
Function
1
Power LED Anode
2
5VSB
3 Key
4
Unused
5 GND
6
Unused
7
HDD Activity LED Anode
8
Unused
9
HDD Activity LED Cathode
10
Unused
11
Power Switch
12
NIC#1 Activity LED Anode
13
GND (Power Switch)
14
NIC#1 Activity LED Cathode
15 FP_RST*
16
I1C
SDA
17
GND (Reset Switch)
18
I2C SDA
19
ACPI Sleep Switch
20
Chassis Intrusion
21
GND (ACPI Sleep Switch
22
NIC#2 Activity LED Anode
23
Unused
24
NIC#2 Activity LED Cathode
25 Key
26
Key
27 Unused
28
Unused
29 Unused
30
Unused
31 Unused
32
Unused
33 Unused
34
Unused