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Common Switch Region: PCI Express Switch (optional)
10007175-02 KAT4000 User’s Manual
4-7
PCI EXPRESS SWITCH (OPTIONAL)
The optional PLX Technology, Inc. PEX 8524 PCI Express switch device contains 24 PCI
Express lanes and up to six ports. The PCIe switch supports the following:
• One port connected from each AMC site to the switch (AMC.0 and AMC.1)
• One port connected from the processor to the switch (one x1 or one x4 port)
• Four lanes connected from the fat pipe switch module to the switch with these possible
port configurations: four x1 ports, two x2 ports or one x4 port.
Features of the switch include:
• PCI Express interface at 2.5 Gbps transfer rate
• 24 PCI Express lanes (SerDes [7:0] and [32:16]) and up to six ports (assign x1, x2, or x4
lanes to ports 0, 1, 8, 9, 10 or 11)
• Link power management states (L0, L0s, L1, L2/L3 Ready and L3) and device power
management states (D0 and D3hot)
• EEPROM interface signals
• JTAG boundary scan interface signals
•Compliant with PCI Express Base 1.0a and PCI Standard Hot Plug r1.0
Note: The device ID for the PEX 8524 switch reads “8532h” because the PEX 8524 and PEX 8532 share the same
base device.
For more information, reference the PEX 8524 Versatile PCI Express™ Switches Data Book.
Note: Proprietary information on the PCIe switch is not available in this user’s manual. Please refer to the PLX
Technology web site for documentation, http://www.plxtech.com.