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In computing, BIOS (/ ˈ b aɪ ɒ s,-oʊ s /, BY-oss, -ohss; Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS) is a type of firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process (power-on startup). [1]
Asus has stated that the smaller battery is "presently the standard battery supplied in the UK" and "the default standard battery pack for Asus Eee PC 900 worldwide". Asus provided a battery exchange to all UK Eee PC 900 customers for £10, and released a firmware update which claimed to extend battery life by 30 minutes ("BIOS 0601: Updated ...
Version 1 of the Desktop Management BIOS (DMIBIOS) specification was produced by Phoenix Technologies in or before 1996. [5] [6] Version 2.0 of the Desktop Management BIOS specification was released on March 6, 1996 by American Megatrends (AMI), Award Software, Dell, Intel, Phoenix Technologies, and SystemSoft Corporation. It introduced 16-bit ...
ASUS Republic of Gamers (ASUS ROG) is a brand used by ASUS since 2006, encompassing a range of computer hardware, personal computers, peripherals, and accessories. AMD graphics cards were marketed under the Arez brand due to the Nvidia 's GeForce Partner Program .
Standard PC BIOS is limited to a 16-bit processor mode and 1 MB of addressable memory space, resulting from the design based on the IBM 5150 that used a 16-bit Intel 8088 processor. [8] [34] In comparison, the processor mode in a UEFI environment can be either 32-bit (IA-32, AArch32) or 64-bit (x86-64, Itanium, and AArch64).
Typical POST screen (AMI BIOS) Typical UEFI-compliant BIOS POST screen (Phoenix Technologies BIOS) Summary screen after POST and before booting an operating system (AMI BIOS) A power-on self-test ( POST ) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on.
AMIBIOS is the IBM PC-compatible BIOS that was formerly developed and sold by American Megatrends since 1986. [10] In 1994, the company claimed that 75% of PC clones used AMIBIOS. [16] It is used on motherboards made by AMI and by other companies. [3] A chip containing an old version AMIBIOS image, pulled from an ECS motherboard
BIOS interrupt calls perform hardware control or I/O functions requested by a program, return system information to the program, or do both. A key element of the purpose of BIOS calls is abstraction - the BIOS calls perform generally defined functions, and the specific details of how those functions are executed on the particular hardware of the system are encapsulated in the BIOS and hidden ...