"IBM PC" redirects here. For personal computers compatible with the IBM PC, see IBM PC compatible.
Not to be confused with the separate IBM PC Series released from 1994 to 2000.
IBM Personal Computer
IBM Personal Computer with keyboard and monitor
Also known as
IBM PC
Developer
International Business Machines (IBM)
Manufacturer
IBM
Product family
IBM PC
Type
Personal computer
Generation
First generation
Release date
August 12, 1981; 42 years ago (1981-08-12)
Lifespan
1981–1987
Introductory price
US$1,565 (equivalent to $5,240 in 2023)
Discontinued
April 2, 1987; 37 years ago (1987-04-02)
Operating system
IBM BASIC / PC DOS 1.0
CP/M-86
UCSD p-System
CPU
Intel 8088 @ 4.77 MHz
Memory
16 KB – 256 KB (motherboard) (DRAM)
Removable storage
5.25" Floppy drives (160 KB or 320 KB), Cassette
Display
IBM 5151 Monochrome Display, IBM 5153 Color Display
Graphics
MDA, CGA
Sound
PC speaker 1-channel square-wave/1-bit digital (PWM-capable)
Input
XT-Keyboard
Connectivity
Serial port, parallel port
Power
120/240 V AC ～
Dimensions
Approximately 20.25" (width) x 16.5" (depth) x 5.5" (height) or 51.4 cm x 41.9 cm x 14 cm
Mass
24-30 lbs (10.9-13.6kg)
Model Number
IBM 5150
Predecessor
IBM System/23 Datamaster
Successor
IBM Personal Computer XT (next model)
IBM PS/2 (next generation)
Related
List of IBM Personal Computer models
The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers at International Business Machines (IBM), directed by William C. Lowe and Philip Don Estridge in Boca Raton, Florida.
The machine was based on open architecture and third-party peripherals. Over time, expansion cards and software technology increased to support it.
The PC had a substantial influence on the personal computer market. The specifications of the IBM PC became one of the most popular computer design standards in the world. The only significant competition it faced from a non-compatible platform throughout the 1980s was from Apple's Macintosh product line, as well as consumer-grade platforms created by companies like Commodore and Atari. Most present-day personal computers share architectural features in common with the original IBM PC, including the Intel-based Mac computers manufactured from 2006 to 2022.
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