Provides Computer Hardware

April 30th, 2014 News Tags: ,

“Computer hardware – part 15: introduction to the BIOS after we now have flown over, what is the basic input output system (BIOS), we want us the function of the heart piece” yet once a closer look. Should no longer supports the old BIOS versions from Windows 8, but only the new, enlarged EFI-BIOS’. I’m not going up on this here however. Before the operating system is started, the PC must check itself or its hardware. This will be taken over by the BIOS, which then provides his services to the operating system.

With new systems often bypass the BIOS and use its own interface to the hardware. The BIOS is located in a ROM that does not lose its contents when the power is off. Often it is also programmable to play updates. “At that time” had to be soldered yet. Only the BIOS settings are saved by a small battery on the motherboard. Should here something lost, thats too bad, and can be saved after battery replacement. The tasks of the BIOS are right clearly laid out. One is performed directly after switching the power on self test (POST).

This hardware, undergoes as mentioned above, a quick test. For example a defective memory, a missing / defective graphics card or similar usually this BIOS these abuses with a defined beep sequence suggests, the meaning of which can be found on the Internet. This order varies depending on the BIOS manufacturer. The available resources are redistributed, as E.g. interrupts for sound cards, etc. unless they have about plug & play capabilities, what is standard but for some years. The BIOS also provides the connected hard disks and drives and can control the temperature of the CPU. You want to make settings in the BIOS, so you can start POST Setup after, by pressing the “F2” key, “F8” or “Delete”. Depending on the BIOS, this key but also any other may be. In the Setup, many internals of the PCs can be set but not too, whose description much sense. Today a BIOS detects the connected drives by itself, what had to be adjusted often manually for example years ago. Relatively often required, even today, is the setting of the boot order. Here, it can be specified to be booted by what medium first. Current motherboards support booting from USB-sticks. After the BIOS has fixed everything, is looking for the operating system on a disk and started. In the next article, a general introduction to the topic of the store follows. See also: computer hardware – conveys clear – part 1: introduction to computer hardware – understandable conveys – part 2: the real innovations in computer hardware – understandable conveys – part numbering systems computer hardware 3: – clearly conveys – part 4: number systems 2 computer hardware – understood conveys part 5: binary numbers of computer hardware – understood conveys part 6: coding standards computer hardware – understandable conveys part 7: the personal computer computer hardware -. Understood conveys part 8: the basic structure of the CPU computer hardware – to understand the frequency of computer hardware gives – part 9: – clearly conveys – part 10: gives the CPU cache computer hardware – understandably – part 11: gives the CPU cache 2 computer hardware – understandably – part 12: the motherboard computer hardware – understandable conveys – part 13: conveys the mainboard 2 computer hardware – understandable – part 14: motherboard 3 the author Michael Sander also writes articles for pages in his spare time, where for example sofas can be found cheap.


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