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Connecting Optional Devices
Refer to the following for information on connecting the motherboard
’
s optional devices:
JMIC1: Front MIC IN
Pin
Signal Name
Pin
Signal Name
1
GND
2
MIC2_L
3
MIC2_R
4
MIC2_JD
5
GND
6
N/C
JPHOME1: Headphone OUT
Pin
Signal Name
Pin
Signal Name
1
GND
2
LINE2_L
3
LINE2_R
4
LINE2_JD
5
GND
6
N/C
SPI_ROM1: SPI ROM header
This 8 Mb ROM contains the programmable BIOS program.
Pin
Signal Name
Function
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
