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BIOS is a program that is made accessible to the microprocessor on an erasable programmable read-only memory (EPROM) chip. When users turn on their computer, the microprocessor passes control to the BIOS program, which is always located at the same place on EPROM.
What does a BIOS chip do?
Short for Basic Input/Output System, the BIOS (pronounced bye-oss) is a ROM chip found on motherboards that allows you to access and set up your computer system at the most basic level.
How do I know if my BIOS chip is bad?
Signs of a Bad Failing BIOS Chip
- First Symptom: System Clock Resets. Your computer uses the BIOS chip to maintain its record of the date and time. …
- Second Symptom: Inexplicable POST Problems. …
- Third Symptom: Failure to Reach POST.
