Computer Hardware User Manual

INSTALLATIONS
MB820 User’s Manual 7
Jumper Locations on MB820
Jumper Locations on MB820..............................................................Page
JP1: RS232/422/485 (COM2) Selection..................................................8
JP2: COM1 RS232 +5V/+12V Power Setting ........................................8
JP3: COM2 RS232 +5V/+12V Power Setting ........................................8
JP4: Clear CMOS Contents.......................................................................9
JP5: COM3 RS232 +5V/+12V Power Setting ........................................9
JP6: COM4 RS232 +5V/+12V Power Setting ........................................9
JP7: DiskOnChip Address Select.............................................................10
JP8: Onboard VGA Enable/Disable........................................................10