Lcd Driving Voltage Select (Jp17) - Aaeon MB-562 Manual

You can connect an LED to indicate when the CPU card is on. Pin 1 of
JP15 supplies power to the LED; Pin 3 is the ground.
You can use a switch (or a lock) to disable the keyboard. In this state,
the PC will not respond to any input. This is useful if you do not want
anyone to change or stop a running program. Simply connect the
switch between Pins 4 and 5. The pin assignments appear in the
following table:
Pin Function
1 LED Power (+5 V)
2 No Connector
3 Ground
4 Keyboard lock
5 Ground
You can select the LCD driving voltage by setting JP17. The configu-
rations as follows:

LCD driving voltage select (JP17)

* Default
26 MB-562 User's Manual
5V*
5 3 1
6 4 2
3.3V
5 3 1
6 4 2