Asus Z590 WIFI, Manual

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Z590 WIFI GUNDAM EDITION 1-19
Chapter 1
15. 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.
14. COM Port header
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD DTR DSR CTS
The COM module is purchased separately.