BIOS in Windows® 7
Get to know more about BIOS in Windows 7
BIOS is a basic input output system in Windows 7 that is a built in software which determines the functioning of computer without accessing programs from a disk. The code needed to control the keyboard, display screen, serial communication, disk drives and a number of functions are contained in BIOS on a PC. The BIOS is placed in a ROM chip and it makes sure that the BIOS is not damaged by disk failure. The computer might boot itself by this process. It facilitates the communication between the computer's OS and devices attached to the computer. BIOS is an integral part of your system and when you turn on the computer the microprocessor can access it. The BIOS make accessible the microprocessor, which is placed on an EROM. The microprocessor passes control to the BIOS when you turn o the system. BIOS determines whether the attachments are functional and in place and it loads the OS to the random access memory of your computer.
Following informs about the role of BIOS and tips to access BIOS:
- About BIOS
- Role of BIOS
- Tips to Access BIOS
BIOS stands for basic input output system and its function is to identify the components of the PC during its start up. It identifies system devices such as video display card, keyboard, mouse, etc. during system start up. Non volatile ROM chip which built in to the mother board of your system usually stores BIOS. It is a small library of basic input/output functions, which is used to control peripheral devices. Bios is placed in rewritable memory nowadays, which allows the replacing or rewriting of components.
Role of BIOS
BIOS is a software in your system which has different roles. Loading of the operating system is the most important role of the BIOS in Windows 7 OS. To ensure the proper working of the different hardware components in the system a power-on self-test is performed by the BIOS. Other BIOS chips, which are on different cards installed in the computer, might be activated by BIOS. Another function of the BIOS is to provide a set of of low-level routines that the operating system needed to interface to different hardware. The settings of the hard disk and clock is also managed by the BIOS.
For accessing BIOS in your Windows 7 system first you need to power on you system and then restart it. When you are prompted to enter the set up you need to press the 'F2' key. Then you must make changes in the BIOS configuration and save the changes by pressing the 'F10' key.