IBASE Technology IB981, Руководство пользователя

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22 IB981
User’s Manual
2.5.6 Front Panel Setting Connector (J3)
1
19
20
2
Pin Assignment Pin Assignment
1 VCC 2 Speaker Out
3 NC 4 NC
5 Ground 6 Ground
7 NC 8 VCC
9 Ground 10 NC
11 Ground 12 NC
13 Ground 14 PWR_SW
15 NC 16 NC
17 Ground 18 RST
19 HDD LED + 20 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.