Asus Z9PE-D16-10G/DUAL - Manual (Page 51)

Z9PE-D16-10G Series 2-31
8. BMC Setting (3-pin BMC_EN1)
This jumper allows you to enable(default) or disable the Baseboard Management
Controller.
9. Broadcom 10GbE controller setting (3 pin BMC10G_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.