PMC Quad 10/100/1000BaseT Gigabit Ethernet PCI -X NIC

This product entered a Restricted Production Phase (RPP) on August 31, 2010

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PMC677TX is a PMC designed to offer maximum 1000Mbit Ethernet connectivity. Using 10/100/1000BaseT, the PMC677TX is capable of full duplex operation. The Ethernet/PCI interface includes a powerful DMA engine with 64KB deep FIFO buffers. This assures continuous, full bandwidth operation with minimum PCI overhead. PMC677TX has a rich suite of host off-loading feature including: Packet filtering based on checksum errors; SNMP and RMON statistic counters; Hardware TCP checksum off-loading; and Support for various address filtering modes such as 16 exact matches (unicast or multicast), 4096-bit hash filter for multicast frames and Promiscuous unicast and multicast. Two PMC677TX boards can be directly cabled with a simple "cross-over". This configuration creates a full duplex 1000Mbit dedicated data path (for each port) - delivering high bandwidth at very low cost. More complex, dedicated interconnects can be created using a hub or switch. Both point-to-point and switched hubs, in full duplex mode, remove many determinism concerns raised with traditional Ethernet solutions. This makes the PMC677TX an excellent candidate for high performance interconnects that require real time determinism. Software drivers are available for most popular operating systems including VxWorks, Linux, LynxOS, Windows NT and Solaris. These drivers have been carefully designed and implemented to fit within the LAN protocol stack of the host operating system. All facilities available from the host OS can be used across the PMC677TX.



  • Polyurethane or acrylic conformal coating optional
  • RoHS compliant versions available
  • Full 1000Mbit point to point performance
  • 3.3V signaling
  • Four 10/100/1000BaseT Gigabit Ethernet interfaces
  • DMA engine
  • Pluggable copper transceivers
  • PCI-X, PCI 64-bit/66MHz
  • Jumbo Frames capable




Form Factor
Port Type
Front Panel I/O Connectors
PCI Controller/ Ethernet MAC
Intel 82546

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