The EB-LOGAN-23 Evaluation Board provides an evaluation platform for both the PES32NT24AG2 and PES32NT24BG2 switches and for several other members of this switch family including PES32NT8AG2, PES32NT8BG2, and PES24NT6AG2.  

The evaluation board, along with additional adapters and daughter boards provide by Renesas, can be configured to test every possible combination of the number of lanes and ports offered by the switch. Advanced capabilities such as switch partitioning, NTB, DMA, and local port clocking can be evaluated with the evaluation board.   

The EB-LOGAN-23 brings out all 32 lanes of the device to 4 Mezzanine connectors located close to the device — one connector per stack of 8 lanes. Various types of daughter cards (provided by Renesas) can then be plugged into these connectors to facilitate connectivity to one x8 or two x4 or four x2 or eight x1 link partners. Link partners may be plugged directly into these daughter cards, or they can be connected to these daughter cards via SAS or SATA cables and a different board with PCIe slots known as the 12-PACK board (provided by Renesas). Given that the majority of the hosts/servers offer PCIe standard slots, Renesas provides the necessary adapter cards that may be plugged into these host/server slots as well as the cables that connect such adapters to the daughter cards, which in turn are plugged into the main evaluation board on which the Renesas PCIe switch device is populated.


  • Hardware
    • 32NT24AG2 PCIe 24-port switch
    • Upstream, Downstream Ports
    • Numerous user selectable configurations set using onboard jumpers and DIP-switches
    • SMBUS Slave Interface (4 pin header)
    • SMBUS Master Interface connected to the Serial EEPROMs and I/O Expanders
    • Push button for Warm Reset
    • Many LEDs to display status, reset, power, hot-plug, etc.
    • JTAG connector to the 32NT24AG2 JTAG pins
  • Software
    • GUI based application for Windows and Linux 
  • Other
    • SMBUS cable/dongle may be required for certain evaluation exercises.
    • SMA/SATA connectors are provided on the EB-LOGAN-23 board for clock outputs.


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