Pcie X16 Slot Bifurcation (Jp1); At/Atx Mode Select (Jp3); Clear Cmos (Sw1) - AXIOMTEK IMB540 User Manual

IMB540 User's 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
PCIe 1 x16
PCIe 4 x0
PCIe 1 x8
PCIe 4 x8
2.3.2

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
2.3.3

Clear CMOS (SW1)

Pressing the tact switch can restore BIOS optimal defaults.
(The button is next to the Front Panel Header connector)
8
JP1
1-2
(Default)
2-3
Setting
1-2 close
2-3 close
Board and Pin Assignments