User’s Manual

ROG CROSSHAIR X670E EXTREME
1-23
Chapter 1
21. Front Panel Audio header
The Front Panel Audio header is for a chassis-mounted front panel audio I/O module
that supports HD Audio. Connect one end of the front panel audio I/O module cable to
this header.
We recommend that you connect a high-definition front panel audio module to this
connector to avail of the motherboard’s high-definition audio capability.
22. LN2 Mode jumper
Set to pins 2-3 to optimize the motherboard to remedy the cold-boot bug during POST
and help the system boot successfully.