A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
General questions about computer chips and chipsets in retro hardware. Use a specific chip’s tag instead if available.
The Intel x86 family of architectures in general. Contemporary systems are OFF-TOPIC! Use the specific architecture’s tag if applicable.
For questions about Read Only Memory.
Retrocomputing hardware and software created by Intel.
For questions regarding the layout or mapping of memory in a retrocomputer.
For questions regarding data storage on magnetic tape in a cassette tape format.
For questions regarding the display formats of retrocomputers.
For questions about the Intel 8080 8-bit microprocessor
For questions about Microsoft Windows 98
Requests to identify a historical computer. Whole, self-contained machines only; use [identify-this-card] instead for extension cards.
For questions regarding the instruction sets of microprocessors.
Justifications and trade-offs of historical hardware and software designs, and their possible alternatives.
For questions about different versions of, and products for, Atari consoles and home computers.
For questions about words, phrases and definitions that are specific to classic computers and gaming systems.
Early arcade games and hardware. Not to be used for modern arcade machines capable of running early games, or for custom (e.g. home-made) machines that happen to be old.
Bootstrapping (booting) process, utilities and customisation.
For questions about products made by Apple
Questions and problems related to powering retro equipment.
Historical compilers, or modern compilers targeting retro platforms.
For questions related to the CP/M operating system by Gary Kildall.
Microsoft Windows family of operating systems. For questions specific to one version, use the particular version’s tag. For windowing systems generally, use [gui].
Relating to the encoding format of data within files.
For questions related to cartridge-based games and applications
For questions regarding the DEC PDP-11 minicomputer.
For questions about the software development process on retrocomputing platforms
Nintendo Game Boy and Game Boy Color: use, maintenance, design, programming and emulation.
For generic questions about 8-bit microcomputers. For specific computers please use the appropriate specific tag.
Connecting retro systems to the Internet, and historical aspects of the Internet: software, hardware, protocols. DO NOT USE WHEN MERELY ASKING ABOUT HISTORICAL RESOURCES ON THE INTERNET OF TODAY.
Questions regarding the generation of sound in retrocomputers.
Floating point arithmetic: number formats, instruction sets, software and hardware implementations.
For questions about Random Access Memory
For questions specifically regarding the Intel 8086 16-bit microprocessor
Retro hardware repair. Use for non-functioning systems; for working systems use [maintenance].
Microsoft Windows 3.0, 3.10 and 3.11 (including for Workgroups). Use [windows] instead for Windows NT 3.x.
For questions regarding file systems and software interfaces to them.
Basic Input/Output System, the system firmware found especially in IBM PC compatible computers. Use this tag only for the firmware part; for ‘DOS BIOS’, use [dos] instead.