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The complementary metal–oxide–semiconductor (CMOS) power comes from the CMOS battery located on the motherboard. This battery powers the Basic Input Output System (BIOS) and stores the start-up config for the computer.
It's a mixture of things. BIOS, CMOS, Operating system.
Generally, a "CMOS error" will occur if one of the following has happened:The configuration of the computer has significantly changed. Simply entering the BIOS and saving should remove the error message.The backup battery has gone dead. You can check for this by seeing if the time is incorrect in the BIOS. You would need to purchase a replacement battery.A checksum error can occur if the BIOS has been updated, or if some external program has modified the CMOS settings. Again, simply entering the BIOS and saving should fix the message.
yes it is stored in CMOS
If you mean the CMOS setup, then it was likely made around 1984. That was the year that IBM released the AT computer. That was the first to make use of CMOS settings. If you mean CMOS-based logic chips, they have been around since at least the the mid 1970's.
how to clear computer motherboards cmos passwords
CMOS
No
There are three ways to clear the CMOS on a computer. You can access the BIOS menu and reset the BIOS settings, you can use the motherboard jumper or clear it by reseating the CMOS battery.
Yes CMOS is available in modern computer. CMOS definition: Complementary metal-oxide semiconductor, or CMOS, typically refers to a battery-powered memory chip in your computer that stores startup information. Your computer's basic input/output system (BIOS) uses this information when starting your computer. CMOS-related error messages could be caused by a faulty or discharged battery. The battery can become discharged if your computer has been turned off for a very long time. To resolve CMOS-related errors, check the information that came with your computer or contact your computer manufacturer. Because your CMOS settings are specific to your computer's hardware, Microsoft can't provide specific instructions for changing them.
Removing the CMOS battery will not prevent the computer from turning on, it will only cause the information in the CMOS RAM to be lost (while the computer is turned off). When you turn on the computer after the CMOS battery has been removed, while it will turn on it will most likely not boot the OS correctly but will stop in the BIOS and require you to completely setup the CMOS parameters again before you can tell it to continue..
Chances are that the CMOS Battery on the motherboard is dead and needs to be replaced. Without this battery, the computer can not remember the CMOS settings when the power is turned off.
small battery located on the motherboard or computer case.
The CMOS is run off of a battery on the motherboard.
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The CMOS remembers the time and date settings of the computer, and also remembers the Hardware settings.