CMOS battery

CMOS battery

A battery that maintains the time, date, hard disk and other configuration settings in the CMOS memory. CMOS batteries are small and are attached directly to the motherboard. See BIOS setup and batteries.
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Once removed, you get access to the RAM, Storage, Wi-Fi module, CMOS battery and even the 74Wh battery.
The PC's flash disk (up to 8 GB), optional 40 GB hard drive measuring just 2 1/2" and the CMOS battery are easily accessible behind a front cover.
This lets you confirm the batten problem and gives your repairman access to the CMOS battery settings without the guesswork of using the key sequence.
The 2060 avoids the common boot-failure from a depleted CMOS battery by storing an image in serial EEP-ROM, minimizing downtime and service calls.
AIT almost certainly means that your CMOS battery has died and needs replacing.
Q MY PC clock has been running slow and someone told me I need to renew the CMOS battery. How do I go about this safely, since I've never tried this before?
The 5070 avoids the common boot-failure from a depleted CMOS battery by storing an image in serial EEPROM.
AIT sounds like your CMOS battery is on its last legs.
The PC-520 avoids the common boot-failure from a depleted CMOS battery by storing an image in serial EEPROM.