AMD Hudson M1 Chipset

7
Chapter 2
Hardware Installation
2-1 Jumper Setting
(1) JBAT(3-pin): Clear CMOS
2-3 closed : Clear CMOS
JBAT
JBAT
13
1-2 closed: Normal
1
3
(2) JCOM1(6-pin): COM1 Port RS232/422/485 function select
3-4 closed : RS485
JCOM1
1
1-2 closed: RS232
1 1
5-6 closed : RS422