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...
84 KB (9,118 words) - 11:59, 22 August 2024
IBMBIO.COM (redirect from DOS BIOS)
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...
35 KB (3,482 words) - 00:12, 7 September 2023
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...
29 KB (3,319 words) - 17:50, 25 July 2024
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)...
2 KB (259 words) - 09:58, 24 July 2023
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...
20 KB (1,116 words) - 13:33, 5 February 2024
Interrupt descriptor table (section BIOS interrupts)
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...
9 KB (1,033 words) - 20:57, 3 July 2024
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)...
56 KB (6,490 words) - 17:47, 26 July 2024
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...
14 KB (1,628 words) - 22:56, 2 August 2024
Conventional memory (redirect from BIOS console redirection)
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...
26 KB (3,336 words) - 10:23, 4 July 2024
Master boot record (redirect from BIOS to MBR interface)
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...
100 KB (8,698 words) - 21:34, 17 August 2024
Upper memory area (redirect from UMA (DOS))
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...
10 KB (1,414 words) - 10:33, 4 July 2024
CONFIG.SYS (redirect from CONFIG.DOS)
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...
67 KB (7,049 words) - 07:58, 22 June 2024
loaded the FreeDOS kernel. Many motherboard vendors recommend a bootable FreeDOS for running low level BIOS and firmware updates. FreeDOS is also used in...
29 KB (2,065 words) - 18:17, 18 August 2024
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...
15 KB (1,680 words) - 06:04, 19 May 2024
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)...
515 bytes (94 words) - 21:54, 12 February 2020
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...
20 KB (2,309 words) - 20:31, 14 June 2024
Ralf Brown's Interrupt List (redirect from MS-DOS Interrupt List)
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...
34 KB (2,832 words) - 05:39, 23 August 2023
General Software (redirect from General Software Embedded BIOS)
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...
5 KB (295 words) - 17:48, 14 February 2023
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...
88 KB (9,315 words) - 20:46, 19 August 2024
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...
60 KB (7,144 words) - 15:21, 16 July 2024
IO.SYS (redirect from MS-DOS BIOS)
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...
14 KB (1,037 words) - 10:29, 12 January 2024
Logical block addressing (redirect from Enhanced BIOS)
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...
18 KB (1,937 words) - 20:06, 9 June 2024
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...
12 KB (1,506 words) - 08:27, 22 July 2024
Williams, a 32-bit DOS extender published in Dr. Dobb's Journal and in two books. This extender had the virtue of running DOS and BIOS calls in emulated...
12 KB (1,461 words) - 18:25, 12 December 2023
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....
23 KB (2,060 words) - 16:30, 9 July 2024
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...
27 KB (2,781 words) - 01:50, 21 June 2024
86-DOS to run on the prototype PC in February 1981. 86-DOS had to be converted from 8-inch to 5.25-inch floppy disks and integrated with the BIOS, which...
37 KB (3,596 words) - 21:14, 3 July 2024
INT 13H (redirect from BIOS Enhanced Disk Drive Services)
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...
30 KB (1,929 words) - 21:20, 23 May 2023
Phoenix Technologies (redirect from Phoenix BIOS)
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...
20 KB (2,192 words) - 14:28, 31 July 2024
Disk partitioning (category DOS on IBM PC compatibles)
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...
21 KB (2,300 words) - 15:19, 21 July 2024