How do you use a jumper on a motherboard?

How do you use a jumper on a motherboard?

In general, the CMOS jumper is three pins located near the battery. In general, CMOS jumper has positions 1–2 and 2–3. Move the jumper from the default position 1–2 to position 2–3 to clear CMOS. Wait 1–5 minutes then move it back to the default position.

Does CMOS jumper come with motherboard?

The cmos pins are used with a jumper to short and reset the bios to defaults. The contents of the motherboard box should have contained a jumper with along with other parts.

What is a hardware jumper?

A jumper is a removable wire or small plastic or metal plug whose absence or placement on a piece of hardware determines how the hardware is to be configured. It works by opening or closing part of a circuit.

What is the purpose of jumper wire?

A jumper wire is an electric wire that connects remote electric circuits used for printed circuit boards. By attaching a jumper wire on the circuit, it can be short-circuited and short-cut (jump) to the electric circuit.

Is CMOS jumper needed?

you should not need the battery in place to start the computer though. with the battery out it should start but with BIOS default settings, and any changes you make to BIOS settings won’t be retained after a power-down as the CMOS memory requires the battery to work.

What is a motherboard jumper?

In a computer, a jumper is a pair of prongs that are electrical contact points set into the computer motherboard or an adapter card . When you set a jumper, you place a plug on the prongs that completes a contact. In effect, the jumper acts as a switch by closing (or opening) an electrical circuit.

Where is the CMOS jumper located on a motherboard?

In general, the CMOS jumper is three pins located near the battery. In general, CMOS jumper has positions 1–2 and 2–3. Move the jumper from the default position 1–2 to position 2–3 to clear CMOS.

What are the onboard jumpers on the Intel® desktop board dp45sg?

The Intel® Desktop Board DP45SG includes two onboard jumpers that are not documented in the Product Guide or Technical Product Specification: the SPI_CON jumper and the CMOS jumper. The SPI_CON jumper must be connected to pins 1 and 2.

What is the function of the BIOS?

The BIOS is the software stored on the memory chip on the motherboard. It instructs the computer on how to perform a number of basic functions such as booting and keyboard control. The BIOS is also used to identify and configure hardware in the computer.

How to clear CMOS using jumper method?

Steps to clear CMOS using the jumper method. Power off the system. Open up the system so you can see the motherboard. Locate the CMOS jumper by referring to the motherboard manual and how to clear the CMOS. In general, the CMOS jumper is three pins located near the battery. In general, CMOS jumper has positions 1–2 and 2–3.