Chapter 2 Hardware Installation; Jumper Setting - Intel H110 Express Technical Manual

2-1 Jumper Setting

JCOMP1 (4-pin): COM1 Port Pin9 Function Select
JCOMP2 (4-pin): COM2 Port Pin9 Function Select
Chapter 2
Hardware Installation
JCOMP1
JCOMP2
→
COM1 Port Pin-9
5 3 1
5 3 1
6 4 2
6
4
2
2-4 Closed: 3-4 Closed:
Pin9=RING; Pin9=5V;
→
COM2 Port Pin-9
5 3 1
5 3 1
6 4 2
6
4
2
2-4 Closed: 3-4 Closed:
Pin9=RING; Pin9=5V;
8
5 3 1
6 4 2
4-6 Closed:
Pin9=12V.
5 3 1
6 4 2
4-6 Closed:
Pin9=12V.