Asus PRIME TRX40-PRO Manual page 37

13. LED connector
The LED connector is for connecting the LED PCB on your I/O cover.
14. Front Panel Audio connector
The front panel audio connector 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 connector.
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.
PRIME TRX40-PRO
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