One Stop Systems
OSS-PCIe-HIB25x16| 13
1.14
Card Edge Connector Pin Outs
Pin #
Side B
Side A
Name
Description
Name
Description
1
+12V
12V Power
PRSNT1#
Hot-Plug presence detect
2
+12V
12V Power
+12V
12V Power
3
+12V
12V Power
+12V
12V Power
4
GND
Ground
GND
Ground
5
SMCLK
SMBus clock
JTAG2
TCK
6
SMDAT
SMBus data
JTAG3
7
GND
Ground
JTAG4
TSTCLK-
8
+3.3V
3.3 V power
JTAG5
TMS
9
TRST JTAG1
PWR_ON#
+3.3V
3.3 V power
10
3.3Vaux
3.3 V auxiliary power
+3.3V
3.3 V power
11
WAKE#
Signal for link reactivation
PERST#
Fundamental reset
Mechanical key
12
RSVD
Reserved
GND
Ground
13
GND
Ground
Reference clock (differential pair)
14
PETp0
Transmitter differential pair, Lane 0
REFCLK
15
PETn0
GND
Ground
16
GND
Ground
PERp0
Receiver differential pair, Lane 0
17
PRSNT2#
Hot-Plug presence detect
PERn0
18
GND
Ground
GND
Ground
19
PETp1
Transmitter differential pair, Lane 1
RSVD
Reserved
20
PETn1
GND
Ground
21
GND
Ground
PERp1
Receiver differential pair, Lane 1
22
GND
Ground
PERn1
23
PETp2+
Transmitter differential pair, Lane 2
GND
Ground
24
PETn2-
GND
Ground
25
GND
Ground
PERp2
Receiver differential pair, Lane 2
26
GND
Ground
PERn2
27
PETp3+
Transmitter differential pair, Lane 3
GND
Ground
28
PETn3-
GND
Ground
29
GND
Ground
PERp3
Receiver differential pair, Lane 3
30
RSVD
Reserved
PERn3
31
PRSNT2
Hot-Plug presence detect
GND
Ground
32
GND
Ground
RSVD
Reserved
33
PETp4+
Transmitter differential pair, Lane 4
RSVD
Reserved
34
PETn4-
GND
Ground
35
GND
Ground
PERp4
Receiver differential pair, Lane 4
36
GND
Ground
PERn4
37
PETp5+
Transmitter differential pair, Lane 5
GND
Ground
38
PETn5-
GND
Ground
39
GND
Ground
PERp5
Receiver differential pair, Lane 5
40
GND
Ground
PERn5
41
PETp6+
Transmitter differential pair, Lane 6
GND
Ground
42
PETn6-
GND
Ground
43
GND
Ground
PERp6
Receiver differential pair, Lane 6
44
GND
Ground
PERn6
45
PETp7+
Transmitter differential pair, Lane 7
GND
Ground
46
PETn7-
GND
Ground
47
GND
Ground
PERp7
Receiver differential pair, Lane 7
48
PRSNT2#
Hot-Plug presence detect
PERn7
49
GND
Ground
GND
Ground
50
PET8+
Transmitter differential pair, Lane 8
RSVD
Reserved
51
PET8-
GND
Ground
52
GND
Ground
PER8+
Receiver differential pair, Lane 8
53
GND
Ground
PER8-
54
PET9+
Transmitter differential pair, Lane 9
GND
Ground
55
PET9-
GND
Ground