AXIOMTEK E38M561100, User Manual

Page: 14 / 62

MANO561 Mini ITX Motherboard
8 Board and Pin Assignments
2.3 Jumper Settings
Jumper is a small component consisting of jumper clip and jumper pins. Install jumper clip on
2 jumper pins to close. And remove jumper clip from 2 jumper pins to open. The following
illustration shows how to set up jumper.
Before applying power to MANO561 Series, please make sure all the jumpers are in factory
default position. Below you can find a summary table of all jumpers and onboard default settings.
Note
Once the default jumper setting needs to be changed, please do it under power-
off condition.
2.3.1 COM1 Data/Power Select (JP1)
This is a 3x2-pin (pitch=2.00mm) jumper. The COM1 port has +5V power capability on
DCD and +12V on RI by setting JP1.
2.3.2 Clear CMOS (JP3)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear
the CMOS memory of date, time, and system setup parameters by erasing the CMOS
Jumper Description Setting
JP1
COM Data/Power Select
Default: RS-232 Data
3-5 Close
4-6 Close
JP3
Clear CMOS
Default: Normal Operation
1-2 Close
JP4
LVDS VDD Select
Default: +3.3V Level
1-2 Close
JP5
AT/ATX Power Mode Select
Default: ATX Mode
1-2 Close
Function Setting
Power: Set COM1 pin 1 to +5V 1-3 close
Data: Set COM1 pin 1 to DCD (Default) 3-5 close
Power: Set COM1 pin 9 to +12V 2-4 close
Data: Set COM1 pin 9 to RI (Default) 4-6 close