ECS A785GM-M User Manual
18
Installing the Motherboard
F_AUDIO: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
out ports for easier access.
Pin
Signal Name
Function
1
PORT 1L
2
AUD_GND
3
PORT 1R
4
PRESENCE#
5
PORT 2R
6
SENSE1_RETURN
7
SENSE_SEND
8
KEY
Pin
Signal Name
9
PORT 2L
10
SENSE2_RETURN
Pin
Signal Name
SPI_DEBUG: SPI DEBUG header
This 16 MB DEBUG contains the programmable BIOS program.
1
CHIP SELECT
Select chip
2
VCC
VCC
3
DATA OUTPUT
data output
4
HOLD
hold
5
WRITE PROTECT BIOS write protect
6
CLOCK
clock
7
CND
CND
8
DATA INPUT
data input
Pin
Signal Name
Function
Connect this header to any device with IEEE 1394a interface.
F_1394A: Onboard IEEE 1394a header
5
XTPB1P
6
XTPB1M
Pin
Signal Name
Function
1
XTPA1P
2
XTPA1M
3
GND
4
GND
7
PWR
8
PWR
Pin
Signal Name
Pin
Signal Name
9
Key
10
GND