4.2 CMOS Clear for External RTC (JP7)
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
*Normal operation | Clear CMOS |
1 2 3
1 2 3
*default setting
4.3COM-port Interface
The panel PC provides four serial ports (COM1, 3, 4:
COM2 can be configured to operate in
Table
|
| |||
2 | 6 |
| 2 | 6 |
|
|
| ||
JP2 |
| JP2 | 1 | 5 |
1 | 5 |
| ||
|
|
| ||
2 | 6 | JP3 | 2 | 6 |
JP3 |
|
|
| |
1 | 5 |
| 1 | 5 |
* default setting
Chapter 4 Jumper Settings and Connectors | 35 |