Asus Prime B350M-K, Руководство пользователя

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ASUS PRIME B350M-K
1-5
12. 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
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.
CLRTC
+3V_BAT GND
PIN 1
11. Clear RTC RAM (2-pin CLRTC)
This header allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can
clear the CMOS memory of date, and system setup parameters by erasing the CMOS
RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which
include system setup information such as system passwords.
13. 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
14. 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-definition front panel audio module to this
connector to avail of the motherboard’s high-definition audio capability.
• If you want to connect a high-definition 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].