Asus H81M-CS User Guide - Page 22

Internal connectors, H81M-CS Serial port connectors - front panel connectors

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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. AGND NC SENSE1_RETUR SENSE2_RETUR AGND NC NC NC AAFP PIN 1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L H81M-CS HD-audio-compliant Legacy AC'97 pin definition compliant definition H81M-CS 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]. 2. 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. COM CTS DSR DTR RXD RI RTS GND TXD DCD PIN 1 H81M-CS H81M-CS Serial port connectors The COM module is purchased separately. 1-14 Chapter 1: Product introduction

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1-14
Chapter 1: Product introduction
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-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].
H81M-CS
H81M-CS Front panel audio connector
AAFP
PIN 1
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
2.
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.
The COM module is purchased separately.
H81M-CS
H81M-CS Serial port connectors
PIN 1
COM
CTS
DSR
DTR
RXD
RI
RTS
GND
TXD
DCD