User’s Manual

ASUS PRIME B460M-K
1-3
8. USB 3.2 Gen 1 header
TheUSB3.2Gen1headerallowsyoutoconnectaUSB3.2Gen1moduleforadditional
USB3.2Gen1ports.TheUSB3.2Gen1headerprovidesdatatransferspeedsofupto5
Gb/s.
TheUSB3.2Gen1moduleispurchasedseparately.
9. USB 2.0 headers
TheUSB2.0headersallowyoutoconnectaUSBmodulefor
additionalUSB2.0ports.TheUSB2.0headersprovidedatatransferspeedsof
upto480Mb/sconnectionspeed.
DONOTconnecta1394cabletotheUSBconnectors.Doingsowill
damage the motherboard!
TheUSB2.0moduleispurchasedseparately.
10. Clear CMOS header
ThisheaderallowsyoutocleartheCMOSRTCRAMdataofthesystemsetupinformation
suchasdate,time,andsystempasswords.
To erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
 2. Useametalobjectsuchasascrewdrivertoshortthetwopins.
 3. PlugthepowercordandturnONthecomputer.
4. Hold down the <Del>keyduringthebootprocessandenterBIOS
setup to re-enter data.
Ifthestepsabovedonothelp,removetheonboardbatteryandshortthetwopinsagainto
cleartheCMOSRTCRAMdata.AfterclearingtheCMOS,reinstallthebattery.
11. COM Port header
This header is for a serial (COM) port. Connect the serial port module cable
tothisheader,theninstallthemoduletoaslotopeningatthebackofthe
system chassis.
12. Front panel audio header
Thisheaderisforachassis-mountedfrontpanelaudioI/Omodulethat
supports HD audio standard. Connect one end of the front panel audio
I/Omodulecabletothisheader.
• Werecommendthatyouconnectahigh-denitionfrontpanel
audiomoduletothisheader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header,settheFrontPanelTypeiteminthe
BIOSsetupto[HDAudio].Bydefault,thisheaderissetto[HD
Audio].
PIN 1
USB+5V USB_P11- USB_P11+ GND NC
USB+5V
USB_P12-
USB_P12+
GND
CLRTC
+3V_BAT GND
PIN 1
USB3+5V
IntA_P1_SSRX-
IntA_P1_SSRX+
GND
IntA_P1_SSTX-
IntA_P1_SSTX+
GND
IntA_P1_D-
IntA_P1_D+
GND
PIN 1
USB3+5V
IntA_P2_SSRX-
IntA_P2_SSRX+
GND
IntA_P2_SSTX-
IntA_P2_SSTX+
GND
IntA_P2_D-
IntA_P2_D+
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
AAFP
AGND NC SENSE1_RETUR SENSE2_RETUR
PORT1 L
PORT1 R PORT2 R
SENSE_SEND
PORT2 L
HD-audio-compliant
pin definition