Pcie X16 Slot Bifurcation (Jp1); Clear Cmos (Jp2); At/Atx Mode Select (Jp3) - AXIOMTEK IMB530 User Manual

2.3.1

PCIe x16 slot bifurcation (JP1)

Use these jumpers (3x1-pin p=2.54mm) to set signal of PCIe x16 slot.
CN14
x16(Default)
x8 x8
2.3.2

Clear CMOS (JP2)

This jumper (3x1-pin p=2.54mm) 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 RTC RAM data. The onboard button cell battery powers the RAM data
in CMOS, which includes system setup information such as system passwords.
To erase the RTC RAM:
Turn OFF the computer and unplug the power cord.
1.
2. Remove the onboard battery.
Move the jumper clip from pins 1-2 (default) to pins 2-3. Keep the clip on pins 2-3 for
3.
about 5~10 seconds, then move the clip back to pins 1-2.
4. Re-install the battery.
5. Plug the power cord and turn ON the computer.
Hold down the <Del> key during the boot process and enter BIOS setup to re-enter
6.
data.
Function
Normal operation (Default)
Clear CMOS
2.3.3

AT/ATX Mode Select (JP3)

This 3x1-pin p=2.54mm jumper allows you to select AT or ATX power mode.
Function
AT mode (Default)
ATX mode
14
JP1
1-2
2-3
Setting
1-2 close
2-3 close
Setting
1-2 close
2-3 close
Board and Pin Assignments