Hardware Configuration
ROBO-8771VG2 User’s Manual
2-6
J13: IrDA Connector
PIN No.
Signal Description
1
+5V
2
N/C
3
IRRX
4
Ground
5
IRTX
6
N/C
J14: Hard Disk Drive LED Connector
PIN No.
Signal Description
1
+5V (470 ohm pull-up for HDD LED+)
2
HDD Active # (HDD LED-)
J15: Power LED
PIN No.
Signal Description
1
5V Standby (470 Ohm pull-up for power
LED+)
2
Ground (For Power LED-)
J16: AC97 Connector
PIN No.
Signal Description
PIN No.
Signal Description
1 CLK_AC97
2 GND
3 12V
VCC
4 ACZ_BIT_CLK
5 ACZ_SDOUT
6 ACZ_SDIN
7 ACZ_SYNC
8 ACZ_RST#
9 3V
VCC
10 PC_SPK
J17: External Speaker Connector
PIN No.
Signal Description
1
Speaker Signal Output (Open-drain w/
internal series 33 Ohm)
2
N/C
3
Ground
4
+5V
Note:
The pull-high voltage of external speaker is limited at 5V maximum.