# 5.1 I/O Connectors

| Connector | Function                                      |
| --------- | --------------------------------------------- |
| J1        | PC/104, ISA bus 8-bit connector (rows A, B)   |
| J2        | PC/104, ISA bus 8-bit connector (rows C, D)   |
| J3        | PS/2 keyboard/mouse                           |
| J4        | Input power                                   |
| J5        | IO Power                                      |
| J6        | Externel Battery                              |
| J7        | Digital IO                                    |
| J8        | Serial Ports COM1-4                           |
| J9        | LCD Backlight                                 |
| J10       | VGA                                           |
| J11       | Ethernet                                      |
| J12       | IDE                                           |
| J13       | LCD interface (LVDS format) on bottom side    |
| J14       | Reset, LEDs                                   |
| J15       | USB 0/1                                       |
| J16       | USB 2/3                                       |
| J17       | Data acquisition I/O                          |
| J19       | Autocalibration connector (factory use)       |
| J20       | Jtag for data acquisition FPGA (factory use)  |
| J22       | Panel power input                             |
| J24       | Jtag for Processor / BIOS flash (factory use) |