Owner's manual

2-21
Chapter 2: Motherboard information
4. Front panel audio connector (10-1 pin AAFP1)
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.
IMPORTANT:
• 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].
EMB-H81A Front panel audio 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
5. LVDS connector (30-pin LVDS)
This connector is for a LCD monitor that supports Low-voltage differential
signaling (LVDS) interface.
EMB-H81A LVDS connector
LVDS
PIN 1
Back Light Control for DC mode
GND
LVDS0_CLK+
GND
LVDS0_D0+ LVDS0_D1+ LVDS0_D2+ LVDS0_D3+
EDID_Clk
LVDS1_D0+ LVDS1_D1+ LVDS1_D2+ LVDS1_D3+
GND
LVDS1_CLK+
LVDS Panel Enable LVDS VCC LVDS0_CLK- LVDS VCC LVDS0_D0- LVDS0_D1- LVDS0_D2- LVDS0_D3- EDID_Data LVDS1_D0- LVDS1_D1- LVDS1_D2- LVDS1_D3- LVDS VCC LVDS1_CLK-