CMOS battery


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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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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.
AIT almost certainly means that your CMOS battery has died and needs replacing.
Sooner or later, when ``CMOS Checksum Error -- Run Setup'' appears on the screen, you can bet that your CMOS battery just died.
Stored safely on disk, the CMOS data is available for retrieval as soon as the CMOS battery fails.
With BatteryDisk, CMOS battery failure down time is virtually eliminated.
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AIT sounds like your CMOS battery is on its last legs.
When the CMOS battery dies, the information it stores dies with it and your computer won't be able to access its hard, floppy and CD drives among other things.
Field replaceable units on the Standard HMI Series include: CMOS battery, mass storage, random-access memory, and power fuses.
AIF it's losing more than a few seconds, the usual cause is a failing CMOS battery.