Tandy 2000
History

Tandy 2000

Section Title: History
Table Section Text: None

First-generation PC workalikes by IBM competitors

Computer name	Manufacturer	Date introduced	CPU	clock rate	Max RAM	Floppy disk capacity	Notable features

Olivetti M24/AT&T 6300	Olivetti, marketed by AT&T	1983 (AT&T 6300 June 1984)	8086	8 MHz (later 10 MHz)	640 KB	360 KB (later 720 KB)	true IBM compatible; optional 640x400 color graphics

Zenith Z-100	Zenith Data Systems	June 1982	8088	4.77 MHz	768 KB	360 KB	optional 8 color 640x255 graphics, external 8" floppy drives

HP-150	Hewlett-Packard	Nov 1983	8088	8 MHz	640 KB	270 KB (later 710 KB)	primitive touchscreen

Compaq Portable	Compaq	Jan 1983	8088	4.77 MHz	640 KB	360 KB	true IBM compatible

Compaq Deskpro	Compaq	1984	8086	8 MHz	640 KB	360 KB	true IBM compatible

MPC 1600	Columbia Data Products	June 1982	8088	4.77 MHz	640 KB	360 KB	true IBM compatible, credited as first PC clone

Eagle PC / 1600 series	Eagle Computer	1982	8086	4.77 MHz	640 KB	360 KB	750×352 mono graphics

TI Professional Computer	Texas Instruments	Jan 1983	8088	5 MHz	256 KB	320 KB	720x300 color graphics

DEC Rainbow	Digital Equipment Corporation	1982	8088	4.81 MHz	768 KB	400 KB	132x24 text mode, 8088 and Z80 CPUs

Wang PC	Wang Laboratories	Aug 1985	8086	8 MHz	512 KB	360 KB	800x300 mono graphics

MBC-550	Sanyo	1982	8088	3.6 MHz	256 KB	360 KB (later 720 KB)	8 color graphics with CGA resolution

Apricot PC	Apricot Computers	late 1983	8086	4.77 MHz	768 KB	720 KB	800x400 mono graphics, 132x50 text mode

TS-1603	Televideo	Apr 1983	8088	4.77 MHz	256 KB	737 KB	keyboard had palm rests, 16 function keys; built-in modem

Tandy 2000	Tandy Corporation	Sept 1983	80186	8 MHz	768 KB	720 KB	optional 640x400 8-color or mono graphics

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