Advantech RUGGED PENTIUM IPPC-9120 - Manual (Page 52)

Chapter 3 Jumper Settings and Connectors 37
3.3.3 COM3 / COM4 pin 9 output type setting (JP6)
Table 3-7: COM3/RI pin setting (JP6)
*Normal operation +5 V output +12 V output
* default setting
Note: Pins 1, 3 and 5 are for COM3.
Pins 2, 4 and 6 are for COM4.
3.4 CMOS Clear for External RTC (JP8)
Warning: To avoid damaging the computer, always turn off the
power supply before setting “Clear CMOS”. Set the
jumper back to “Normal operation” before turning on
the power supply.
Table 3-8: Clear CMOS / External RTC (JP8)
*Normal operation Clear CMOS
* default setting
5
3
1
6
4
2
5
3
1
6
4
2
5
3
1
6
4
2
1 2 1 2