8
Chapter 2
Hardware Installation
2-1 Jumper Settings
JCLR_CMOS (2-pin): Clear CMOS RAM Setting
Pin1
JCLR_CMOS
→
Clear CMOS
Pin1
1-2
Short:
Clear CMOS.
1-2 Open: Normal
(default)
;
JPCOM1/ JPCOM2(4-pin): COM1 /COM2 Port Pin9 Function Select
JPCOM1
→
COM1 Header Pin-9 VCC
JPCOM2
→
COM2 Header Pin-9 VCC
4-6 Closed:
RI= 12V.
6
4
2
3-4 Closed:
RI= 5V;
2-4 Closed:
RI=RS232;
3
1
5
6
4
2
3 5
1
5
3
1
6
4
2
JPCOM1
JPCOM2
COM1
JCLR_CMOS
COM2
