Front Panel Setting Connector (J3) - IBASE Technology IB981AF-C226 User Manual

2.5.6

Front Panel Setting Connector (J3)

Pin Assignment
1 VCC
3 NC
5 Ground
7 NC
9 Ground
11 Ground
13 Ground
15 NC
17 Ground
19 HDD LED +
J3 is utilized for system indicators to provide light indication of the
computer activities and switches to change the computer status. It
provides interfaces for the following functions.
•
Speaker (Pins 2 ~ 8)
This connector connects to the system speaker on control
panel.
•
Power LED (Pins 1 ~ 5)
This connector connects to the system power LED on control
panel. This LED will light when the system turns on.
•
ATX Power ON Switch (Pins 13 and 14)
The 2 pins make an "ATX Power Supply On/Off Switch" for the
system that connects to the power switch on the case. When
pressed, the power switch will force the system to power on.
When pressed again, it will power off the system.
22
2
1
Pin Assignment
2 Speaker Out
4 NC
6 Ground
8 VCC
10 NC
12 NC
14 PWR_SW
16 NC
18 RST
20 HDD LED -
IB981 User's Manual
20
19