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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-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].
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
LV LVDS0_CLK- LVDS VCC L LVDS0_D3- EDID_Data L LVDS0_D2- LVDS VCC L LVDS0_D1- LVDS VCC L LVDS0_D0- Back Light Enable
LV LVDS1_CLK-
GND
L LVDS1_D3-
EDID_Clk
L LVDS1_D2-
GND
L LVDS1_D1-
GND
L LVDS1_D0-
Back Light Control
Summary of Contents for EMB-H81A
Page 1: ...Industrial Motherboard EMB H81A...
Page 8: ...EMB H81A 1 4...
Page 15: ...2 7 Chapter 2 Motherboard information 2 4 1 Installing the CPU 1 A B 2 3...
Page 16: ...EMB H81A 2 8 A B C 4 5...
Page 18: ...EMB H81A 2 10 A B B A To uninstall the CPU heatsink and fan assembly 2 1...
Page 20: ...EMB H81A 2 12 To remove a DIMM A B 2 5 1 Installing a DIMM 1 2 3 A...
Page 49: ...3 16 EMB H81A...
Page 51: ...A 2 EMB H81A Pb Hg Cd Cr VI PBB PBDE SJ T 11363 2006 SJ T 11363 2006 2002 95 EC...