PCIe2-437
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the PCIe2-437 Manual (PDF)


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Features

  • x16 PCI-Express Gen2 Upstream Port
  • Four x4 PCI-Express Downstream Ports
  • Three x8 PCIe 2.0 Slots
  • One x16 PCIe 2.0 Slot
  • 32 Lane PCI-Express Gen2 Switch Supporting
    • Non-Blocking Switch Fabric
    • Data Integrity
    • Quality of Service
    • Peer-to-Peer Transactions
  • Compatible with PCI Express x16 Host Slots
  • RoHS Compliant



PCIe2-437-Four Slot PCI Express Switched Riser Card

PCIe2-437 Block Diagram

 




More Slots
The PCIe2-437 provides up to three x8 PCIe low profile slots and one x16 slot, all electicially routed as x4.

Peer-to-Peer Communications
The PCIe2-437 allows the I/O boards to communicate with each other at the full 20 Gb/s of the x4 PCIe 2.0 interface.

Better Utilization of the I/O Links
The PCIe2-437 allows several I/O boards to share the x16 PCIe link to the host processor and to host memory in a more efficient manner. The PCIe2-437 allows the I/O boards to share a single x16 link prompting faster data transfers to the host system.


Non-Blocking Switch Fabric
The PCIe2-437 PCI Express supports a non-blocking switch fabric between the three PCI Express slots and the host system. The non-blocking switch fabric supports complex peer-to-peer data flows.

Quality of Service
QoS features allow different applications to route packets through the fabric with differentiated priorities and bandwidths, and deterministic latencies. Two Virtual Channels per lane and eight traffic classes allows for different traffic priorities. Virtual Channel arbitration algorithms are user's selectable and allow the QoS to be optimized for different traffic requirements.

End-to-End Packet Integrity
PCI Express Expansion Series provides end-to-end CRC protection and Poison bit support to guarantee error free data transmission. Corrupted packets are automatically re-transmitted by the hardware with no software intervention.



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