User Manual

ASUS PRIME X370-A
1-5
10. USB 2.0 connectors (10-1 pin USB3~6)
TheseconnectorsareforUSB2.0ports.ConnecttheUSBmodule
cabletoanyoftheseconnector,theninstallthemoduletoaslot
openingatthebackofthesystemchassis.TheseUSBconnectors
complywithUSB2.0specicationsandsupportsupto480Mbps
connection speed.
Neverconnecta1394cabletotheUSBconnectors.Doingso
will damage the motherboard!
USB+5V USB_P3- USB_P3+ GND NC
USB+5V
USB_P4-
USB_P4+
GND
USB34
PIN 1
11. 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.
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
12. Digital audio connector (4-1 pin SPDIF_OUT)
ThisconnectorisforanadditionalSony/PhilipsDigitalInterface(S/
PDIF)port.ConnecttheS/PDIFOutmodulecabletothisconnector,
then install the module to a slot opening at the back of the system
chassis.
SPDIF_OUT
+5V
SPDIFOUT
GND
13. 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.
AAFP
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
• 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].