Chapter 3 Jumper Settings and Connectors37

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
12 12