
18
Installing the Motherboard
1394A1: IEEE 1394a connector (optional)
It can be used to connect any device with IEEE 1394a interface.
JMIC1: Front Audio Microphone Jack
JPHOME1: Front Audio Line-out Jack
5
Pin Signal Name
Pin Signal Name
2
LINE2_L
LINE2_R
4
LINE2_JD
N/C
GND
6
1
3
GND
5
Pin Signal Name
Pin Signal Name
GND
2
MIC2_L
MIC2_R
4
MIC2_JD
N/CGND
6
1
3
SPI_ROM1: SPI ROM header
This 8 Mb ROM 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
J3: SATA HDD power connector
Pin Signal Name Function
1 TPB-
2 TPB+
3 TPA-
4 TPA+
Pin Signal
Pin Signal Name Function
1 12V 12V power
2 GND Ground
3 VCC3 J3 power
4 5V 5V power
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