3.c. PCI Express x1 Connector
The PCI Express x1 connector is an 18 position pin and socket D connector with metallic shell as defined in the PCI Express
External Cabling Rev 1.0.
3.d. PCI Express x1 Connector Pin Assignment
Pin
#
Row A
Signal Name
Row B
Signal Name
Pin
#
1
PER+
GND
1
2
PER-
N/C
2
3
N/C
CWAKE#
3
4
GND
CPRSNT#
4
5
CREFCLK-
GND
5
6
3.3V
6
7
GND
CPWRON
7
8
CPRSET#
PET0-
8
9
GND
PET0+
9
Row A, Pin 1
Row B, Pin 9
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