Table 37. Slot 1 Pci Express* X8 Connector (J1B3) - Intel S5500WB Technical Product Specification

Connector / Header Locations and Pin-out
Pin
Side
B PCI Express* Signal
34 PETxN4
35 GND
GND
36
PETxP5
37
PETxN5
38
GND
39
GND
40
Pin-Side B PCI Express* Spec Signal
1 12V
2 12V
3 Reserved
4 GND
5 SMCLK
6 SMDATA
7 GND
8 3.3V
9 JTAG-TRST#
10 3.3VAux
11 Wake#
KEY
KEY
12 Reserved
13 GND
14 PETp(0)
15 PETn(0)
16 GND
17 Reserved
18 GND
19 PETp(1)
20 PETn(1)
21 GND
22 GND
23 PETp(2)
24 PETn(2)
25 GND
26 GND
27 PETp(3)
28 PETn(3)
29 GND
30 Reserved
31 PRSNT2#
32 GND
33
34
35 GND
36 GND
37
38
60
Pin
Side
PCI Express* Signal A
GND 34
PERxP4 35
PERxN4
36
GND
37
GND
38
PERxP5
39
PERxN5
40

Table 37. Slot 1 PCI Express* x8 Connector (J1B3)

Description
KEY
KEY
1X end
4X end
Intel order number E53971-004
Intel® Server Board S5500WB TPS
Pin
Side
B PCI Express* Signal
76 GND
77 GND
78 PETxP15
79 PETxN15
80 GND
81 PRSNT2#
82 RSVD
Pin-Side A PCI Express* Spec
Signal
1 Reserved
2 12V
3 12V
4 GND
5 JTAG-TCK
6 JTAG-TDI
7 JTAG-TDO
8 JTAG-TMS
9 3.3V
10 3.3V
11 PERST#
KEY
KEY
12 GND
13 REFCLK1+
14 REFCLK1+
15 GND
16 PERp(0)
17 PERn(0)
18 GND
19 Reserved
20 GND
21 PERp(1)
22 PERn(1)
23 GND
24 GND
25 PERp(2)
26 PERn(2)
27 GND
28 GND
29 PERp(3)
30 PERn(3)
31 GND
32 Reserved
33 Reserved
34 GND
35
36
37 GND
38 GND
PCI Express* Signal
PERxP14
PERxN14
GND
GND
PERxP15
PERxN15
GND
Description
KEY
KEY
Revision 1.3
Pin
Side
A
76
77
78
79
80
81
82