`
`What is BIOS? | Know-How | Blog | spo-comm
`
`What is BIOS?
`
`What is BIOS?
`
`2 May 2016
`
`In the rst part of our BIOS-series we explain the terms BIOS and UEFI. We also talk about the tasks of the BIOS and we
`answer the important question of how to actually get into the BIOS.
`
`What is BIOS?
`
`The abbreviation BIOS means “Basic Input/Output System”. It is the rmware of a PC – A software which is built integrated
`into the hardware. The BIOS is stored on a small chip in the mainboard of the computer and is always preinstalled. There are
`motherboards, which also have a second chip, that acts as backup. The BIOS is the link between the software (OS) and
`hardware components such as hard drives, keyboard, mouse and printer. The navigation in BIOS is only possible with a
`keyboard.
`
`And what is this UEFI?
`
`The new version of BIOS is called UEFI, which means uni ed extensible rmware interface. UEFI looks like an operating
`system, can be controlled by mouse and is capable of executing programs.
`
`What is BIOS responsible for?
`
`The main tasks of the BIOS are a self-test and the initialization of the hardware as well as the communication between the
`operating system and other components. When a computer is turned on, the BIOS starts and prepares the PC for booting. First
`it performs the power-on self-test (POST). The computer checks one by one whether the basic hardware components such as
`CPU and RAM are working properly. If errors are found, the BIOS displays them by speci c sounds or on screen, if the graphics
`have already been tested successfully.
`
`Following this self-test, the booting process starts. For this, the hardware must know from which component it should boot the
`operating system. The BIOS searches the operating system in the available devices (hard drives, USB, DVD) following a
`speci c order. As soon as it nds software, the PC is booting automatically. The order of the drives, on which to search for the
`operating system, can be set in the BIOS. For instance if you want to delete the existing OS and install a new one via DVD, it is
`necessary to set “CDROM” as rst boot device. Other tasks of the BIOS are managing date and time as well as the temperature
`monitoring of the processor and the mainboard.
`This website uses cookies, which are necessary for the technical operation of the website and are always set. Other cookies, which increase the usability of this website,
`serve for direct advertising or simplify interaction with other websites and social networks, will only be used with your consent.
`How do I get into the BIOS?
`
`Decline
`
`
`
`Configure
`
`https://www.spo-comm.de/en/blog/know-how/what-is-bios#:~:text=The main tasks of the,self-test
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`1/3
`
`Patent Owner, Bot M8 LLC - Ex. 2034, p. 1
`
`
`
`What is BIOS? | Know-How | Blog | spo-comm
`1/14/2021
`To enter the BIOS, a certain key must be pressed (multiple times!) right after turning on the PC and even before the operating
`system is booted. It depends on the manufacturer which key: usually - and also at all spo-books – the BIOS is accessed by
`pressing the key "F2" or "Del".
`
`Write a comment
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`This website uses cookies, which are necessary for the technical operation of the website and are always set. Other cookies, which increase the usability of this website,
`serve for direct advertising or simplify interaction with other websites and social networks, will only be used with your consent.
`
`https://www.spo-comm.de/en/blog/know-how/what-is-bios#:~:text=The main tasks of the,self-test
`
`2/3
`
`Decline
`
`
`
`Configure
`
`Patent Owner, Bot M8 LLC - Ex. 2034, p. 2
`
`
`
`1/14/2021
`
`What is BIOS? | Know-How | Blog | spo-comm
`
`https://www.spo-comm.de/en/blog/know-how/what-is-bios#:~:text=The main tasks of the,self-test
`
`3/3
`
`Patent Owner, Bot M8 LLC - Ex. 2034, p. 3
`
`
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