One Stop Systems
OSS-PCIe-HIB35x4 | 13
1.13
PCI Express x4 Card Edge Connector Pin Outs
Pin #
Name
Pin #
Name
Mechanical Key
B1
+12V
A1
PRSNT1#
B2
+12V
A2
+12V
B3
+12V
A3
+12V
B4
GND
A4
GND
B5
SMCLK
A5
TCK
B6
SMDAT
A6
TDI
B7
GND
A7
TDO
B8
+3.3V
A8
TMS
B9
TRST#
A9
+3.3V
B10
3.3Vaux
A10
+3.3V
B11
WAKE#
A11
PERST#
B12
RSVD
A12
GND
End of the x1 Connector
B13
GND
A13
B14
PETp0
A14
REFCLK-
B15
PETn0
A15
GND
B16
GND
A16
PERp0
B17
PRSNT2#
A17
PERn0
B18
GND
A18
GND
B19
PETp1
A19
RSVD
End of the x4 Connector
B20
PETn1
A20
GND
B21
GND
A21
PERp1
B22
GND
A22
PERn1
B23
PETp2
A23
GND
B24
PETn2
A24
GND
B25
GND
A25
PERp2
B26
GND
A26
PERn2
B27
PETp3
A27
GND
B28
PETn3
A28
GND
B29
GND
A29
PERp3
B30
RSVD
A30
PERn3
B31
PRSNT2#
A31
GND
B32
GND
A32
RSVD