5
Chapter 2
Hardware Installation
2-1 Jumper Setting
JBAT (3-pin): Clear CMOS Function Settings
2-3 Closed: Clear CMOS.
JBAT
1
3
1-2 Closed: Normal;
JP1 (4-pin): COM1 Port Pin9 Function Select
JP1
→
COM1 Port
4-6 Closed:
RI= +12V.
1
3
5
3-4 Closed:
RI= +5V;
2-4 Closed:
RI=RS232;
4
6
2
6
5
3
1
4
2
5
3
1
6
4
2
JP4 (4-pin): COM2 Header Pin9 Function Select
JP4
→
COM2 Port
4-6 Closed:
RI= +12V.
1
3
5
3-4 Closed:
RI= +5V;
2-4 Closed:
RI=RS232;
4
6
2
6
5
3
1
4
2
5
3
1
6
4
2
