Jumpers and settings, Cmos & rtc clear jumper (jp8) – Kontron PCI-761 User Manual
Page 18
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9. Jumpers and Connectors
PCI 761 – User’s Guide (V1.01)
16
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9.3. Jumpers and Settings
Proper jumper settings configure the PCI-761 to meet your application purpose.
9.3.1. COM1 Mode Select Jumpers for RS-232/422/485 (JP2, JP3, JP4)
These jumpers select the COM1 port’s communication mode to operate RS-232 or RS-422/485.
Description
Function
Jumper Setting
RS-232 (Default)
JP2
JP3
JP4
RS-422
JP2
JP3
JP4
COM1
RS-485
JP2
JP3
JP4
9.3.2. CMOS & RTC Clear Jumper (JP8)
You may need to use this jumper is to clear the CMOS memory if incorrect BIOS settings.
Description
Function
Jumper Setting
Normal (Default)
Clear CMOS
CMOS & RTC Clear
Clear
RTC
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