IBASE MI945 - Manual (Page 14)

INSTALLATIONS
10 MI945 User’s Manual
JP1: Keyboard/Mouse Power Selection
JP1 KB/MS Power
5V
5VSB(Standby)
JP2: LCD Panel Power Selection
JP2 LCD Panel Power
3.3V
5V
JP5, JP6, JP7: RS232/422/485 (COM2) Selection
COM1 is fixed for RS-232 use only.
COM2 is selectable for RS232, RS-422 and RS-485.
The following table describes the jumper settings for COM2 selection.
COM2
Function
RS-232 RS-422 RS-485
Jumper
Setting
(pin closed)
JP5:
1-2
JP6:
3-5 & 4-6
JP7:
3-5 & 4-6
JP5:
3-4
JP6:
1-3 & 2-4
JP7:
1-3 & 2-4
JP5:
5-6
JP6:
1-3 & 2-4
JP7:
1-3 & 2-4