Jumper Settings; At/Atx Mode Select (J_At/Atx1); Clear Cmos (Clr_Cmos1) - AXIOMTEK IMB541 User Manual

2.3

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:
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 IMB541 series
factory default position. Below you can find a summary table of all jumpers and onboard default
settings.
2.3.1

AT/ATX Mode Select (J_AT/ATX1)

This 3x1-pin p=2.54mm jumper allows you to select AT or ATX power mode.
Function
ATX mode (Default)
AT mode
2.3.2

Clear CMOS (CLR_CMOS1)

Pressing the tact switch can restore BIOS optimal defaults.
(The button is next to the Front Panel Header connector)
Function
NORMAL(Default)
CLEAR
Board and Pin Assignments
, make sure all of the jumpers are in
motherboard
Setting
1-2 close
2-3 close
Setting
1-2 close
2-3 close
IMB540 User's manual
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