Asus H81M-CS - Page 22

1-14
Chapter 1: Product introduction
1.7.2 Internal connectors
1. Front panel audio connector (10-1 pin AAFP)
Thisconnectorisforachassis-mountedfrontpanelaudioI/Omodulethatsupports
eitherHDAudioorlegacyAC`97audiostandard.Connectoneendofthefrontpanel
audioI/Omodulecabletothisconnector.
• Werecommendthatyouconnectahigh-denitionfrontpanelaudiomoduletothis
connectortoavailofthemotherboard’shigh-denitionaudiocapability.
• Ifyouwanttoconnectahigh-denitionfrontpanelaudiomoduletothisconnector,set
theFrontPanelTypeitemintheBIOSsetupto[HD].IfyouwanttoconnectanAC’97
frontpanelaudiomoduletothisconnector,settheitemto[AC97].Bydefault,this
connectorissetto[HD].
H81M-CS
H81M-CS Front panel audio connector
AAFP
PIN 1
AGND NC SENSE1_RETUR SENSE2_RETUR
PORT1 L
PORT1 R PORT2 R
SENSE_SEND
PORT2 L
HD-audio-compliant
pin definition
PIN 1
AGND NC NC NC
MIC2
MICPWR
Line out_R
NC
Line out_L
Legacy AC’97
compliant definition
2. Serial port connector (10-1 pin COM)
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.
TheCOMmoduleispurchasedseparately.
H81M-CS
H81M-CS Serial port connectors
PIN 1
COM
CTS
DSR
DTR
RXD
RI
RTS
GND
TXD
DCD