SIS1100-eCMC PCI express CMC carrier/optical link board

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The SIS1100-eCMC is the latest addition to our SIS1100 CMC carrier family. It is a single lane PCI express CMC carrier to be used with CMCs like the FZ Jülich ZEL Scaler CMC. For our PCIe to VME interface or frontend readout systems it is stuffed with one small form factor (SFF) 1/2/4 G link medium.


  • single lane PCIe card
  • PLXtech PEX8311 PCIe to local bus bridge
  • Xilinx Virtex-4 FPGA
  • single CMC site
  • SFF 1/2/4 GBit/s optical link option
  • In field JTAG and PCIe firmware upgrade capability
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    SIS1100e PEX8311 EEPROM File

    Prefetchable base address capability has to be enabled on the PEX8311 PCI Express to local bus bridge chip to perform 64-bit direct master or DMA transfers. This is of relevance on machines from 4 GB of memory on. The corresponding bits can be set through the configuration EEPROM of the PEX8311. Units with serial number 94 and higher are shipped with this configuration. The EEPROM can be regrogrammed with the PLX Technology SDK. The V2 EEPROM file can be found here.

    An archive with upgrade instructions and software is available here.

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