86/286/386/486/Pentium

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The IBM Personal Computer is the original name of the PC architecture. The first model, the IBM PC 5150, was released in 1981. Over the course of thirty years, it and "IBM PC-compatibles" began to dominate the enterprise and consumer world thanks to IBM's move to use an open architecture, which allowed a ton of add-ons and peripherals to form markets of their own.

Emulators

PC
Name Operating System(s) Latest Version 8086 emulation 286 emulation 386 emulation 486 emulation Pentium emulation* Active Recommended
86Box Windows Git
PCem Windows, Linux 14
DOSBox Multi-platform 0.74-2
SVN
DOSBox-X Multi-platform 0.82.10 ? ? ?
SIMH Multi-platform 3.9-0 ? ? ? ? ?
MAME Multi-platform 0.203 ? ? ? ? ?
PCjs Multi-platform Git ? ? ? ? ?
DOSEmu Linux 1.4.0 ? ? ? ? ?
DOSEmu2 Linux 2.0pre8 ? ? ? ? ?
QEMU Linux, macOS, and Windows 2.11.1 ? ? ? ? ? ? ?
Bochs ? ? ? ? ? ? ? ? ?
Mobile
DOSBox Multi-platform 0.74
SVN
aDOSBox Android 0.2.5 ? ? ? ? ?
AnDOSBox Android 1.2.8 ? ? ? ? ?
DosBox Turbo Android 2.2.0 ? ? ? ? ?
gDosBox Android 0.7.5.5 ? ? ? ? ?
Magic Dosbox Android 1.0.61 ? ? ? ? ?
QEMU Android 2.11.1 ? ? ? ? ? ? ?

*Pentium emulation includes MMX variants and the Pentium II.

Models

IBM PC/XT

Short for the IBM Personal Computer XT 5160, the PC/XT was a version of the IBM PC with a built-in hard drive released on March 8, 1983. Apart from the Winchester disk, it was essentially the same as the original PC, with only minor improvements. The XT was mainly intended as an enhanced IBM PC for business users. Later floppy-only models would effectively replace the original model 5150 PC. A corresponding 3270 PC featuring 3270 terminal emulations was released later in October 1983. Later, the PC/AT 5170 was released with many enhancements, the most major of which was probably the 286 processor. This allowed a 16-bit bus, which is why 16-bit ISA cards will only work on AT or newer, though some XT-class machines have the older 8086 processor, which also allows for a 16-bit bus, and therefore 16-bit ISA cards.