Specifications

ASUS J1800I-C/BR
1-11
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]. See section 2.5.6 Onboard Devices Conguration for
details.
J1800I-C/BR
J1800I-C/BR Front panel audio connector
AAFP
SENSE2_RETUR
SENSE1_RETUR
NC
AGND
PORT2 L
SENSE_SEND
PORT2 R
PORT1 R
PORT1 L
HD-audio-compliant
pin definition
PIN 1PIN 1
NC
NC
NC
AGND
Line out_L
NC
Line out_R
MICPWR
MIC2
Legacy AC’97
compliant definition
J1800I-C/BR
J1800I-C/BR Serial port connectors
PIN 1
COM1
DCD
TXD
GND
RTS
RI
RXD DTR
DSR
CTS
2. Serial port connector (10-1 pin COM1)
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.