Intel MB879 Computer Hardware User Manual


 
INSTALLATIONS
8
MB879 User’s Manual
Setting the Jumpers
Jumpers are used on MB879 to select various settings and features
according to your needs and applications. Contact your supplier if you
have doubts about the best configuration for your needs. The following
lists the connectors on MB879 and their respective functions.
Jumper Locations on MB879..........................................................9
JP1: COM4 RS232 +5V / +12V Power Setting............................ 10
JP2: LVDS Panel Voltage Selection.............................................10
JP3: COM3 RS232 +5V / +12V Power Setting............................ 10
JP4: CPU FSB Selection...............................................................10
JP5: Clear CMOS Setting .............................................................11
SW1: LVDS Resolution Switch Setting .......................................11
IMPORTANT NOTE: When the system boots without the CRT being
connected, there will be no image on screen when you insert the
CRT/VGA cable. To show the image on screen, the hotkey must be
pressed.