IBASE Technology MB990, Руководство пользователя, Страница: 13 / 72

INSTALLATIONS
MB990 User’s Manual 9
Setting the Jumpers
Jumpers are used on MB990 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 MB990 and their respective functions.
Jumper Locations on MB990 ........................................................... 10
JBAT2: Clear CMOS Contents ........................................................ 11
JBAT1: Clear RTC Contents ............................................................ 11
JP1: COM1 RS232 RI/+5V/+12V Power Setting ............................. 12
JP2: COM2 RS232 RI/+5V/+12V Power Setting ............................. 12
JP3: Flash Descriptor Security Override (Factory use only) .............. 13
JP4, JP5: Processor dgfx Bifurcation Function Setting...................... 13
(MB990VF PCIE1 only) .................................................................. 13