computing, BIOS (/ˈbaɪɒs, -oʊs/, BY-oss, -⁠ohss; Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS) is firmware...

the firmware on IBM PC compatible computers. Traditionally, BIOS calls are mainly used by DOS programs and some other software such as boot loaders (including...

up BIOS or bios in Wiktionary, the free dictionary. Bios or BIOS may refer to: Bios (album), the third album by Costa Rican music group Gandhi Bios (novel)...

portion as the RAM BIOS of operating systems such as DOS or CP/M in order to contrast it with the built-in ROM BIOS of a machine. List of DOS system files Hardware...

interrupt handlers). For example, IBM PC BIOS provides video services at the vector 0x10, MS-DOS provides the DOS API at the vector 0x21, and Linux provides...

filesystem structures. Filesystems making use of a BIOS parameter block include FAT12 (except for in DOS 1.x), FAT16, FAT32, HPFS, and NTFS. Due to different...

expansion system came with its own BIOS extension ROM (built-in on the disk controller) called the BDOS. This BIOS not only added floppy disk support...

DOS/360 from 1966. Others include Apple DOS, Apple ProDOS, Atari DOS, Commodore DOS, TRSDOS, and AmigaDOS. IBM PC DOS (and the separately sold MS-DOS)...

BIOS) loads and executes the master boot record. The PC/XT (type 5160) used an Intel 8088 microprocessor. In order to remain compatible, all x86 BIOS...

the uppermost 384 KB of the 8088 CPU's 1024 KB address space for BIOS ROM, Video BIOS, Option ROMs, video RAM, RAM on peripherals, memory-mapped I/O, and...

system use and optional devices. UMA was used for the ROM BIOS, additional read-only memory, BIOS extensions for fixed disk drives and video adapters, video...

systems, including Linux and FreeDOS. Today it is still used as a reference to BIOS calls and to develop programs for DOS as well as other system-level software...

loaded the FreeDOS kernel. Many motherboard vendors recommend a bootable FreeDOS for running low level BIOS and firmware updates. FreeDOS is also used in...

Extended BIOS may refer to: XIOS, the extended BIOS in Digital Research's MP/M, Concurrent CP/M, Concurrent DOS, Multiuser DOS and REAL/32 (since 1979)...

strictly an API, NetBIOS is not a networking protocol. Operating systems of the 1980s (DOS and Novell Netware primarily) ran NetBIOS over IEEE 802.2 and...

products included General Software OEM-DOS, Network-DOS, Embedded DOS, Embedded DOS-ROM, Embedded DOS-XL and Embedded BIOS. In 1998 they partnered with Caldera...

DOS BIOS (typically residing in IBMBIO.COM or IO.SYS) during boot. CONFIG.SYS was introduced with DOS 2.0. The directives in this file configure DOS for...

hardware platforms. To this end, MS-DOS was designed with a modular structure with internal device drivers (the DOS BIOS), minimally for primary disk drives...

emulate the old BIOS-based firmware interface, or have their CSMs disabled, cannot natively run MS-DOS since MS-DOS depends on a BIOS interface to boot...

components, but prevents direct access to the hardware. CP/M (CP/M BIOS), DOS (DOS BIOS), Solaris, Linux, BSD, macOS, and some other portable operating systems...

companies were threatened by IBM for BIOS copyright infringement, and settled out of court, agreeing to re-implement their BIOS. There was also the Seequa Chameleon...

the BIOS to overcome this limit and successfully work with larger hard drives, a CHS translation scheme had to be implemented[when?] in the BIOS disk...

doesn't have the extended partition and the logical partition. BIOS boot partition (BIOS BP) is a share of the storage device used to keep software that...

occupied for the extended BIOS parameter block on FAT12 and FAT16 volumes since DOS 4.0, whereas the FAT32 EBPB introduced with DOS 7.1 requires even 87 bytes...

IBMDOS.COM. In Windows 9x, the IO.SYS not only contains the DOS BIOS, but also holds the DOS kernel, which previously resided in MSDOS.SYS. Under some conditions...

needed a legal, fully-compatible BIOS. To develop a legal BIOS, Phoenix used a clean room design. Engineers read the BIOS source listings in the IBM PC Technical...

txt. VESA Super VGA BIOS Extension 1.0 (Standard # VS891001) 1 October 1989 VESA BIOS Extension 1.2 VESA BIOS Extension 2.0 VESA BIOS Extension 3.0 Dr....

is shorthand for BIOS interrupt call 13hex, the 20th interrupt vector in an x86-based (IBM PC-descended) computer system. The BIOS typically sets up...

less common BIOS-bootable devices include floppy disk drives, Zip drives, and LS-120 drives. Typically, the system firmware (UEFI or BIOS) will allow...

direct hardware access for speed, bypassing the OS and BIOS (this was also a common problem in early DOS machines).[citation needed] Bill Gates claimed that...