Table 22. Auxiliary Power Connector (J4J1); Table 23. Pci Bus Connectors - Intel S875WP1LX Specification

S875WP1-E TPS
5.2 PCI Bus Connectors
Pin Signal Name
A1 Ground (TRST#)
(See Note)
A2 +12 V
A3 +5 V (TMS)
(See Note)
A4 +5 V (TDI)
(See Note)
A5 +5 V
A6 INTA#
A7 INTC#
A8 +5 V
2
A9 Reserved
A10 +5 V (I/O)
A11 Reserved
A12 Ground
A13 Ground
A14 +3.3 V aux
A15 RST#
A16 +5 V (I/O)
A17 GNT#
A18 Ground
A19 PME#
A20 AD30
A21 +3.3 V
A22 AD28
A23 AD26
Revision 4.0

Table 22. Auxiliary Power Connector (J4J1)

Pin Signal
1 SMB_CLK_MAIN_CON
2 SMB_DATA_MAIN_CON
3 PS_ALERT#
4 GND
5 3.3V

Table 23. PCI Bus Connectors

Pin Signal Name
B1 -12 V
B2 Ground (TCK)
(See Note)
B3 Ground
B4 Not connected (TDO)*
B5 +5 V
B6 +5 V
B7 INTB#
B8 INTD#
B9 Not connected
(PRSNT1#) (See Note)
3
B10 Reserved
B11 Not connected
(PRSNT2#) (See Note)
B12 Ground
B13 Ground
4
B14 Reserved
B15 Ground
B16 CLK
B17 Ground
B18 REQ#
B19 +5 V (I/O)
B20 AD31
B21 AD29
B22 Ground
B23 AD27
Connectors and Jumper Blocks
Pin Signal Name Pin
A32 AD16 B32
A33 +3.3 V B33
A34 FRAME# B34
A35 Ground B35
A36 TRDY# B36
A37 Ground B37
A38 STOP# B38
A39 +3.3 V B39
A40 SMBus Clock B40
Line
A41 SMBus Data B41
Line
A42 Ground B42
A43 PAR B43
A44 AD15 B44
A45 +3.3 V B45
A46 AD13 B46
A47 AD11 B47
A48 Ground B48
A49 AD09 B49
A50 Key B50
A51 Key B51
A52 C/BE0# B52
A53 +3.3 V B53
A54 AD06 B54
Signal Name
AD17
C/BE2#
Ground
IRDY#
+3.3 V
DEVSEL#
Ground
LOCK#
PERR#
+3.3 V
SERR#
+3.3 V
C/BE1#
AD14
Ground
AD12
AD10
Ground
Key
Key
AD08
AD07
+3.3 V
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