BIOSFrom Wikipedia, the free encyclopediaIn IBM PC compatible computers, the Basic Input/Output System (BIOS, also known as SystemBIOS, ROM BIOS or PC
Award BIOS setup utility on astandard PCSome operating systems, for example MS-DOS, rely on the BIOS to carry out most input/output taskswithin the PC
PhoenixBIOS D686. ThisBIOS chip is housed in aPLCC package in a socket.peripheral devices, a password for booting the system, or a hard disk password
The size of the BIOS, and the capacity of the ROM, EEPROM, or other media it may be stored on, hasincreased over time as new features have been added
Comparison of different BIOS implementationsAwardBIOS AMIBIOS Insyde SeaBIOSLicense Proprietary Proprietary Proprietary LGPL v3Maintained / developed
An American Megatrends BIOSshowing a "Intel CPU uCode LoadingError" after a failed attempt to uploadmicrocode patches into the CPU.Detached
a backup BIOS. Also, all modern operating systems such as FreeBSD, Linux, OS X, Windows NT-based Windows OS like Windows 2000, Windows XP and newer, d
specification development is driven by The Unified EFI Forum, an industry Special Interest Group.EFI booting has been supported in only Microsoft Wind
[...]/* B A S I C D I S K O P E R A T I N G S Y S T E M (B D O S) COPYRIGHT (C) GARY A. KILDALL
8. ^ page 5-27 IBM Personal Computer Hardware Reference Library Technical Reference, 1984, publicationnumber 63614599. ^ How StuffWorks: What BIOS D
Wikimedia Commons hasmedia related to the BIOS.Further readingIBM Personal Computer Technical Reference (Revised ed.). IBM Corporation. March 1983.IBM
5 Operating system services5.1 Processor microcode updates5.2 Identification5.3 Modern use6 Configuration6.1 Setup utility6.2 Reprogramming6.3 Overclo
Preventing BIOS Failures Using Intel Boot Block Flash Memory(http://download.intel.com/design/flcomp/applnots/29219202.PDF) (December 1998)BIOS Boot S
mid-1990s, it became typical for the BIOS ROM to include a "BIOS configuration utility" or "BIOSsetup utility", accessed at system
every PC and clone.) If the download was apparently successful, the BIOS would verify a checksumon it and then run it.[8] This feature was intended fo
When INT 19h is called, the BIOS attempts to locate boot loader software held on a storage devicedesignated as a 'boot device', such as a ha
would only boot from the first floppy disk drive or the first hard disk drive, even if there were twodrives of either type installed. All more advance
for a boot program to be relocatable. DL contains the drive number, as used with INT 13h, of the bootdevice, unless the BIOS is one that does not set
An add-in card requires an option ROM if the card is not supported by the main BIOS and the cardneeds to be initialized or made accessible through BIO
programmers observed that using the BIOS video services for graphics display was very slow. Toincrease the speed of screen output, many programs bypas
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