ECS A785GM-M Manual page 22

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