Asus PRIME Z490-P - COM Port Header; Front Panel Audio Header

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Chapter 1: Product Introduction
Chapter 1
14. 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.
13. 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.