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.