Broadcom offers the below reference drivers as a courtesy to end users ... If you are having a problem with a Broadcom-based Ethernet controller product, please contact either the PC or board ...
The JMC25x/JMC26x is a single-chip PCI-Express Gigabit Ethernet Controller. The Ethernet function is compliant to IEEE 802.3 Media Access Controller, and IEEE 802.3u 1000BASE-T/100BASE-TX/ 10BASE-T.
The Edge Network Controller supports two doors and provides four general purpose inputs and two general purpose outputs. It can be powered by either a local power supply or Power over Ethernet (PoE+).