Connectors, Headers and Jumpers
Intel® Server Board SE7520AF2 TPS
230
Revision
1.2
Intel order number C77866-003
Pin
Side B
Side A
Pin
Side B
Side A
20 AD[31]
AD[30]
66 C/BE[4]#
+3.3
V
21 AD[29]
+3.3
V
67 Ground
PAR64
22 Ground
AD[28]
68 AD[63] AD[62]
23 AD[27]
AD[26] 69
AD[61]
Ground
24 AD[25]
Ground
70 +3.3
V
AD[60]
25 +3.3
V
AD[24]
71 AD[59]
AD[58]
26 C/BE[3]#
IDSEL
72 AD[57]
Ground
27 AD[23]
+3.3
V
73 Ground
AD[56]
28 Ground
AD[22]
74 AD[55] AD[54]
29 AD[21]
AD[20]
75 AD[53]
+3.3
V
30 AD[19]
Ground
76 Ground
AD[52]
31 +3.3
V
AD[18]
77 AD[51]
AD[50]
32 AD[17]
AD[16] 78
AD[49]
Ground
33 C/BE[2]#
+3.3V
79 +3.3
V
AD[48]
34 Ground
FRAME#
80 AD[47]
AD[46]
35 IRDY#
Ground
81 AD[45]
Ground
36 +3.3
V
TRDY#
82 Ground
AD[44]
37 DEVSEL# Ground
83 AD[43]
AD[42]
38 Ground
STOP#
84 AD[41]
+3.3
V
39 LOCK#
+3.3
V
85 Ground
AD[40]
40 PERR#
SMBUS
SCL 86 AD[39]
AD[38]
41
+3.3 V
SMBUS SDA
87
AD[37]
Ground
42 SERR#
Ground
88 +3.3
V
AD[36]
43 +3.3
V
PAR
89 AD[35]
AD[34]
44 C/BE[1]#
AD[15] 90
AD[33]
Ground
45 AD[14]
+3.3
V
91 Ground
AD[32]
46 Ground
AD[13]
92 RSV
RSV
47 AD[12]
AD[11]
93 RSV
GND
48 AD[10]
Ground
94 Ground
RSV
Table 123. Slot 3 and 4 PCI Express* Pin-out (J2C1, J3C1)
Pin
Side B
Side A
Pin
Side B
Side A
1 +12
V
PRSNT1# 27
PETp3
Ground
2
+12 V
+12 V
28
PETn3
Ground
3 RSVD
+12
V
29
Ground
PERp3
4 Ground
Ground
30
RSVD
PERn3
5 SMCLK
JTAG2
31
PRSNT2#
Ground
6 SMDAT
JTAG3
32
Ground
RSVD
7 Ground
JTAG4
End of the x4 connector
8 +3.3
V
JTAG5
33
PETp4
RSVD
9 JTAG1
+3.3
V
34
PETn4
Ground
10
3.3 Vaux
+3.3 V
35
Ground
PERp4
11 Wake#
PERST#
36 Ground
PERn4