12/20/2023 0 Comments Check motherboard battery status![]() With a medium flat-bladed screwdriver, gently pry the battery free from its connector.Disconnect the power cord of the computer from the ac power source (electrical outlet or power adapter). Turn off all peripheral devices connected to the computer.To replace the CMOS battery, follow the steps for the style on your board.īattery is in a horizontal or vertical battery holder: There are several styles of battery placement on Intel® Desktop Boards. If a station is not available, you can create some ESD protection by wearing an antistatic wrist strap attached to a metal part of the chassis. Apply the procedures described here only at an ESD workstation using an antistatic wrist strap and a conductive foam pad. If custom defaults were not saved, BIOS setup defaults load into CMOS SRAM at power-on.Įlectrostatic discharge (ESD) can damage components. If the battery and AC power fail, custom defaults (if previously saved) are loaded into CMOS SRAM at power-on. If this event occurs, replace the battery with an equivalent one. When the voltage drops below a certain level, the BIOS Setup program settings stored in CMOS RAM (such as, the date and time) might not be accurate. The clock is accurate to plus or minus 13 minutes/year at 25 degrees C with 3.3 VSB applied. When the computer is plugged in, the standby current from the power supply extends the life of the battery. When the computer is not plugged into a wall socket, the battery has an estimated life of three years. A coin-cell battery (CR2032) powers the real-time clock and CMOS memory.
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