Jumper Settings - AXIOMTEK IMB520R User Manual

IMB520R / 521R LGA1151 ATX Motherboard
2.4

Jumper Settings

Pin description
A jumper is a small component consisting of a jumper clip and jumper pins. Install a jumper clip
on two jumper pins to close the jumper pins. Remove the jumper clip from two jumper pins to
open the jumper pins. The following illustration shows how to set up a jumper.
To identify the first pin of a header or jumper, please refer to the following
information:

Usually, there is a thick line or a triangle near the header or jumper pin 1.
Note

A square pad, which you can find on the back of the motherboard, is usually
used for pin 1.
Before applying power to the IMB520R / 521R series, make sure all of the jumpers are in
factory default position. Below you can find a summary table of all jumpers and onboard
default settings.
Turn off power before changing any default jumper settings.
Note
Jumper Description
Clear CMOS
JP8
Default: Normal Operation
AT/ATX Power Mode Select
JP9
Default: AT Mode
JP3, JP6
COM1/2 RS-232/422/485 Mode Select
JP1, JP2
Default: RS-232
JP4, JP5
System Temperature Sensor Source Select
JP7 Default: Internal Sensor
External Sensor can be installed on 2-3
8
Setting
1-2 Close
1-2 Close
1-2 Close
3-5, 4-6 Close
3-5, 4-6 Close
1-2 Close
Board and Pin Assignments