One Stop Systems Max Express OSS-KIT-EXP-4500 User Manual page 9

PCI Table 2: Pin-out for the External PCIe Cable Connector
PIN #
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
B1
B2
B3
B4
B5
B6
B7
B8
B9
One Stop Systems, Inc.
Rev. A
Signal
GND
PETp0
PETn0
GND
PETp1
PETn1
GND
PETp2
PETn2
GND
PETp3
PETn3
GND
CREFCLK+
CREFCLK
GND
SB_RTN
CPRSNT#
CPWRON
GND
PERp0
PERn0
GND
PERp1
PERn1
GND
PERp2
PERn2
Description
Ground reference for PCI
Express transmitter Lanes
Differential PCI Express
transmitter Lane 0 5
Differential PCI Express
transmitter Lane 0 5
GND Ground reference for
PCI Express transmitter Lanes
Differential PCI Express
transmitter Lane 1 5
Differential PCI Express
transmitter Lane 1
Ground reference for PCI
Express transmitter Lanes
Differential PCI Express
transmitter Lane 2
Differential PCI Express
transmitter Lane 2
Ground reference for PCI
Express transmitter Lanes
Differential PCI Express
transmitter Lane 3
Differential PCI Express
transmitter Lane 3
Ground reference for PCI
Express transmitter Lanes
Differential 100MHz cable
reference clock
Differential 100MHz cable
reference clock
GND Ground reference for
cable reference clock
Signal return for single ended
sideband signals
Used for detection of whether
a cable is installed and the
downstream subsystem is
powered
Turns power on / off to slave-
type downstream subsystems
Ground reference for PCI
Express receiver Lanes
Differential PCI Express
receiver Lane 0
Differential PCI Express
receiver Lane 0
Ground reference for PCI
Express receiver Lanes
Differential PCI Express
receiver Lane 1
Differential PCI Express
receiver Lane 1
Ground reference for PCI
Express receiver Lanes
Differential PCI Express
receiver Lane 2
Differential PCI Express
receiver Lane 2
Notes
5
5
5
5
5
5
5
5
5
5
5
5
5
5
OSS-KIT-EXP-4500
Page 9