Asus RS704DA-E6/PS4 - Manual (Page 38)

Chapter 2: Hardware setup 2-18
2.7.3 Installing ASMB4 series management board (optional)
Follow the steps below to install an optional ASMB4 series management board on
your motherboard.
3. Insert the LAN cable plug to the
LAN3 port for server management.
1. Locate the BMC_FW1 header on
the motherboard.
2. Orient and press the ASMB4
management card in place.