What does clearing the cmos do

Jul 14, 3, 2 21, Motopsychojdn Illustrious. Jan 26, 11, 2 41, If you have 'bricked' your motherboard maybe because a biosflash was interrupted for example, then you need to either replace your bios chip or find a bookshelf with a motherboard-sized space on it Moto.

Jun 10, 0 19, Not quite so fast, moto! Quite a few motherboards these days have two BIOS chips, and you can only flash the first one. If you have a failure during the flashing process, then you can boot from the second BIOS the manual will tell you how to do that and then repeat the flashing process with a good BIOS. As for your direct question, pjmelect has it right - the clearing process only clears the small amount of CMOS memory which holds the parameters which control what the BIOS does like what settings to use for RAM, which drive to boot from, etc.

It won't fix your BIOS - sorry! This is not the same as the CMOS memory which is battery backed. When you flash a new BIOS it may use different memory locations in the CMOS memory to the old version which can cause unpredictable operation or even no operation at all.

Oct 28, 0 18, 3. It is located elsewhere. The CMOS memory is eight bits wide and depending on the manufacturer can be 64 bytes or more long. Motherboards 3 Oct 21, Question Could somebody explain this? Because the motherboard instructions require it?

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