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10 PC/104-Plus – CPU-1461 Module
Jumper Layout and Configuration
Figure 1 shows the jumper layout of the CPU-1461.
The jumpers are indicated as JP followed by the jumper's number.
JP3
JP2
JP1
Figure 1. Jumpers on the CPU-1461 module
Three 2-pin jumpers (JP1, JP2 & JP3) are located on the module. They can be set as follows:
¾ Pins connected together (which will be indicated as ‘Closed’)
¾ Pins not connected (which will be indicated as ‘Open’)
Table 1 gives a quick cross-reference for them.
Table 1. Jumper Functions
Jumper # Type Function Default
JP1
2 pin
jumper
IDE LED
Pin 1 (-): cathode LED
Pin 2 (+): anode LED
Open
JP2
2 pin
jumper
Reserved Open
JP3
2 pin
jumper
Reserved Open