Front Panel Settings Connector (J18) - IBASE Technology MB995 User Manual

2.5.8

Front Panel Settings Connector (J18)

Pin
1
3
5
7
9
11
13
15
17
19
J18 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.
•
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.
•
Hard Disk Drive LED Connector (Pins 19 and 20)
This connector connects to the hard drive activity LED on control
panel. This LED will flash when the HDD is being accessed.
24
Signal Name
Power LED+
Ground
Power LED-
NC
Ground
Ground
Power BTN
NC
Reset BTN
HDD LED+
20
2
Pin Signal Name
2
4
6 Ground
8 SPK (VCC)
10
12
14 Power BTN
16
18 Reset BTN
20 HDD LED-
MB995 User's Manual
19
1
SPK
NC
NC
NC
NC