Jumper Settings; Com1 Mode Select Jumpers For Rs-232/422/485 (Jp1/3/4) - AXIOMTEK IMB203 Series User Manual

IMB203 LGA775 ATX Motherboard User's Manual
2.3

Jumper Settings

Proper jumper settings configure the IMB203 to meet your application
purpose.
2.3.1 COM1 Mode Select Jumpers for RS-232/422/485
(JP1, JP3, JP4)
These jumpers select the COM1 port's communication mode to
operate RS-232 or RS-422/485.
Description Function
COM1 RS-232
(Default)
RS-422
RS-485
Jumpers and Connectors
Jumper Setting
JP1 JP3
JP1 JP3
JP1 JP3
JP4
JP4
JP4
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