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

Page: 9 / 13

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