Asus RS740-E7-RS24-EG - Manual (Page 72)

Chapter 4: Motherboard information 4-8
8. Baseboard Management Controller setting (3-pin BMC_EN1)
This jumper allows you to enable (default) or disable the ASMB6.
9. Broadcom 10GbE controller setting (3-pin BCM10G_SW1)
This jumper allows you enable or disable the Broadcom 10Gb chip. The Broadcom
10Gb chip is a converged controller that enables convergence of all the possible
network communications in a server such as data network. Set to pins 1-2 to enable,
otherwise set to pins 2-3 to disable the Broadcom 10Gb chip.