Connecting Optional Devices - ECS Motherboard User Manual

Connecting Optional Devices

Refer to the following for information on connecting the
motherboard's optional devices:
AUDIO1
1
1
SIR1
SPK1: Speaker Header
Connect the cable from the PC speaker to the SPK1 header on
the motherboard.
Pin
1 SIGNAL 2
3 GND
AUDIO1: Front Panel Audio Header
This header allows the user to install auxiliary front-oriented
microphone and line-out ports for easier access.
Pin Signal
1 AUD_MIC
3 AUD_MIC_BIAS 4
5 AUD_FPOUT_R 6
7 HP_ON
9 AUD_FPOUT_L 10
Chapter 2: Motherboard Installation
Signal Pin Signal
KEY
4 VCC
Pin Signal
2 AUD_GND
AUD_VCC
AUD_RET_R
8 KEY
AUD_RET_L
17
USB2
1
USB3
1
1
SPK1