BIOS

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Explore the main themes, entities and connections around BIOS. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Operation

8086 8088 80286 80386 Cold boot

31 related topics

Operating system services

System call Text mode Graphics mode Library Interrupt instruction

41 related topics

Configuration

Text user interface Graphical user interface Delete Acer ASRock

31 related topics

Security

Bugs Hash Removable media PLC CIH

26 related topics

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Organization: Originally IBM as proprietary software, later industry wide as a de facto standard. In 1996, the BIOS Boot Specification was written by Compaq, Phoenix Technologies and Intel.
Successor: UEFI
Year started: 1981[a]

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Computing
Firmware
Operating systems Operating system
Programs Computer program
Hardware Computer hardware
Booting
Motherboard
CP/M
Proprietary Proprietary software
IBM PC
Reverse engineered Reverse engineer
Compaq
Phoenix Technologies
AMI American Megatrends
Interface Interface (computing)
De facto standard
Power-on self-test
Boot loader
Kernel Kernel (operating system)
DOS
Interrupt 18h BIOS interrupt call
Input/output
Chipset
ROM Read-only memory
Flash memory
Rootkits Rootkit
Brick Brick (electronics)
Unified Extensible Firmware Interface
Microsoft Windows
Windows 10

History

User interface

XT IBM Personal Computer XT
Expansion cards Expansion card
DIP switches DIP switch
IBM AT IBM Personal Computer/AT
EISA Extended Industry Standard Architecture
Wintel

Vendors and products

Open-source BIOS replacements

Security

Bugs Software bug
Hash Hash function
Removable media
PLC Programmable logic controller
CIH CIH (computer virus)
Windows 9x
FreeBSD
MacOS
Windows NT
Windows 2000
Windows XP
User-mode Protection ring
Hardware abstraction layer
Anibal Sacco Anibal Sacco?action=edit&redlink=1
Trojan Trojan horse (computing)
AwardBIOS
Antivirus software
Master boot record
60 Minutes
National Security Agency
The Guardian
The Atlantic
Wired Wired (magazine)
The Register
Intel Boot Guard
PCH Platform Controller Hub

Alternatives and successors

Intel Itanium architecture
X86
Arm ARM architecture family
Unified EFI Forum
Special interest group
GPT GUID Partition Table
Linux kernel
Intel-based Macs Apple–Intel architecture
Open hardware
Forth Forth (programming language)
SPARC
RS/6000
PowerPC
CHRP Common Hardware Reference Platform
OLPC XO-1
Apple Apple Inc.
Intel-based Macs Apple-Intel architecture

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Nodes252

Edges251

Triples391

Avg. degree1.99

Density0.007937

Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

BIOS

Top relations

related to Further reading · 36

BIOS → ABIOS, Addison Wesley Publishing Company, Amsterdam, BIOS Disassembly Ninjutsu Uncovered, CBIOS, Compatibles, DOS, EISA Computers, IBM Corporation, IBM PC/XT/AT Computers, IBM PCs, IBM Personal Computer AT, IBM Personal Computer Hardware, IBM Personal Computer Technical, IBM PS/2 Computers, Inc, Internals, ISBN, June, Ltd

related to User interface · 23

BIOS → BCU, BIOS ROM, DIP, ECU, EISA, EISA Configuration Utility, Error, IBM AT, IBM PC, IBM-compatible PCs, In, Options, POST, RAM, ROM, ROM-resident BIOS, Starting, The, The BIOS, This

related to Hardware · 22

BIOS → According, BASIC, Beginning, BIOSes, December, EEPROM, EPROM, Flash, Flash BIOS, IBM AT, IBM PC BIOS, It, Micro Firmware, Most BIOS, NOR, PCs, PROM, Robert Braver, ROM, ROMs

related to External links · 21

BIOS → Archived, BIOS Boot Specification, Boot Block Flash Memory, December, February, How BIOS Works, How Stuff Works, Implementing, Intel, Intel Boot Block Flash, List, Memory, No, PDF, Persistent BIOS Infection, Phoenix, Phrack, Play BIOS Using Intel's, Plug, Preventing BIOS Failures Using

related to Boot environment · 20

BIOS → All, At, Because, BIOS POST, BIOS-provided ISRs, CPU, CS, DL, DMA, DRAM, IP, ISR, POST, RAM, Some BIOSes, SP, SS, The, The BIOS, What

related to Identification · 19

BIOS → ACPI, COA, Computer, Dell, If, Microsoft, Microsoft Windows, OEM, OEM Windows Installation, Power, SLIC, SLP, Some BIOSes, System Locked Preinstallation, Systems, The SLIC, This, Windows, XML

related to Alternatives and successors · 18

BIOS → After, Arm, As, EFI, GPT, Initially, Intel Itanium, Intel-based Macs, IoT Enterprise, Likewise, Linux, Microsoft Windows, PC, The, UEFI, Unified EFI Forum, Unified Extensible Firmware Interface, Windows

related to Setup utility · 18

BIOS → Access, Anyone, AT-class, CMOS RAM, CPUs, DIP, Early BIOS, Historically, IBM AT, IBM PC, IBM-compatibles, Later, PCs, ROM, The BIOS, These, XT, XT-class

related to Hardware monitoring · 16

BIOS → CPU, Hardware Monitor, Hardware Monitoring, Industry Standard Architecture, ISA, I²C, Low Pin Count, LPC, NetBSD, Once, OpenBSD, PC Health Status, SMBus, Some, Super I/O, This

related to Extensions (option ROMs) · 15

BIOS → An, Code, Even, For, IBM-compatible, In, Operation, Peripheral, RAID, ROM, ROMs, SCSI, The, These ROMs, Video BIOS

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

system rom boot hardware motherboard operating systems ibm pc firmware memory also software option intel interface computer interrupt uefi disk

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
BIOS	Organization	Originally IBM as proprietary software, later industry wide as a de facto standard. In 1996, the BIOS Boot Specification was written by Compaq, Phoenix Technologies and Intel.	1.00	infobox
BIOS	Successor	UEFI	1.00	infobox
BIOS	Year started	1981[a]	1.00	infobox
DOS	instance of	The real-mode portion was meant to provide backward compatibility with existing operating systems	0.80	text
and therefore was named	instance of	The real-mode portion was meant to provide backward compatibility with existing operating systems	0.80	text
hard disk drive host bus adapters	instance of	Peripheral cards	0.80	text
video cards have their own firmware	instance of	Peripheral cards	0.80	text
and BIOS extension option ROM code may be a part of the expansion card firmware	instance of	Peripheral cards	0.80	text
network booting	instance of	or it could implement an entirely different boot process	0.80	text
SCSI	instance of	plug-in adapter cards	0.80	text
RAID	instance of	plug-in adapter cards	0.80	text
network interface cards	instance of	plug-in adapter cards	0.80	text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

Connections between topic areas Semantic bridges

Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

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