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Pciexpress and express card, 10 pciexpress and express card, Pcie switch enabled – Kontron COMe Eval Carrier T10 User Manual

Page 32: Pcie switch disabled

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COM Express® Eval Type 10

/ Connectors and Features



29

5.10 PCIexpress and Express Card

The COM Express® Eval Type 10 provides one PCIexpress x1 port, two PCIexpress x16 ports (electrically x1) and one
Express Card Slot in different configuration. To allow usage of multiple PCIexpress connectors and PCI the PEX8505
PCIexpress switch (U31) is connected to module's PCIexpress Lane #0.

PCIe switch enabled

If PEX8505 PCIe switch is enabled (J62 closed, default) the following routing is active

Computer-on-Module

PCIe switch PEX8505

Connector

PCIe Lane #0

PCIe Lane #0: Uplink

-

-

PCIe Lane #1

Express Card J41

-

PCIe Lane #2

PCIe2PCI Bridge

-

PCIe Lane #3

PCIe Slot B J26

-

PCIe Lane #4

PCIe Slot C J27

The PCIexpress Slot A (J25) is disabled in this configuration and marked by red LED D75.

Note:

Module PCI Express lanes #1 -#3 are not connected if PCIe switch is enabled

PCIe switch disabled

If PEX8505 PCIe switch is disabled (J62 open) the following routing is active

Computer-on-Module

Connector

PCIe Lane #0

PCIe Slot A J25

PCIe Lane #1

Express Card J41

PCIe Lane #2

PCIe2PCI Bridge

PCIe Lane #3

PCIe Slot B J26

The PCIexpress Slot C (J27) is disabled in this configuration and marked by red LED D74.