Internal Connectors - Asus J1900I-C User Manual

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.
J1900I-C Front panel audio connector
• 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]. See section 2.5.6 Onboard Devices Configuration for
details.
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.
J1900I-C Serial port connectors
ASUS J1900I-C
PORT2 L
SENSE2_RETUR
SENSE_SEND
PORT2 R
SENSE1_RETUR
PORT1 R
NC
PORT1 L
AGND
PIN 1
HD-audio-compliant
pin definition
PIN 1
AAFP
NC
Line out_L
NC
NC Line out_R
NC MICPWR
AGND MIC2
PIN 1
Legacy AC'97
compliant definition
COM1
1-11