Asus KCMA-D8 User Manual page 55

8. Serial port connector (10-1 pin COM2)
This connector is for the serial (COM) port. Connect the serial port module
cable to this connector, then install the module to the slot opening at the back
of the system chassis.
The serial port module is purchased separately.
9. BMC header (BMC_FW1)
The BMC connector on the motherboard supports an ASUS
Management Board 4 Series (ASMB4).
ASUS KCMA-D8
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