Datasheet

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.
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