Kontron COMe-cSP2 - Manual (Page 34)

COMe-cSP2 / COMe-cSP2 Connector
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4.3 Signal Description
4.3.1 PCIexpress
The PCI express x1 lane is a fast connection interface for many different system devices, such as network controllers,
I/O controllers or express card devices. The implementation of this subsystem complies with the COM Express®
Specification. Implementation information is provided in the COM Express® Design Guide. Refer to the official PICMG
documentation for additional information.
The COMe-cSP2 supports up to 5 PCIexpress x1 Lanes. See the table below for detailed configuration:
Source 1 Optional Standard Target
Intel US15W PCIe #2 - - COMe PCIe Lane #1
- PEX8505 Port #0 PEX8509 Port #0 COMe PCIe Lane #0
Intel US15W PCIe #1 PEX8505 Uplink Port #1 PEX8509 Uplink Port #1 -
- PEX8505 Port #2 PEX8509 Port #2 Intel 82574L GBLan
- PEX8505 Port #3 PEX8509 Port #3 PEX8112 PCIe2PCI Bridge
- PEX8505 Port #4 PEX8509 Port #4 SIL3132 PCIe2SATA Bridge
- - PEX8509 Port #5 COMe PCIe Lane #2
- - PEX8509 Port #6 COMe PCIe Lane #3
- - PEX8509 Port #7 COMe PCIe Lane #4
Note1: The PCIexpress lanes can only be used in x1 configuration. No x4 lane is possible.
Note2: PCIexpress HotPlug functionality is not supported by the US15W SCH.