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Tandy Radio Shack
1000 EX

The Tandy 1000 EX is a member of the Tandy 1000 series family. See this entry for more info.

The Tandy 1000 EX was designed as an entry-level IBM compatible personal computer designed as a starter system and sold for $1000.00 US by December 1986. The EX was compact with the keyboard and 5.25" drive built into the computer casing; the 5.25" drive accessible from the right hand side of the computer.

Officiel 1988 Tandy catalog reads:
- Our lowest-priced MS-DOS based personal computer
- Fifty-percent faster clock speed than the IBM PC
- Incredibly easy-to-use Personal Deskmate Sotfware
- Choose from thousands of popular programs
- Built-in 360 000 character 5.25" floppy disk drive
A 256K PC-compatible computer, ready to use the MS-DOS software you bring home from the office, as well as software designed for the home or classroom. The integral 90-key keyboard has the same layout as the Tandy 1000SX, ideal for business programs. You'll find an advanced three-voice sound circuit for sophisticated sound an music generation through the built-in speaker. There's also a headphone jack with volume control - perfect for the classroom. Graphics-oriented Personal Deskmate software features six programs and handy pull-down menus and pop-up boxes for selecting funvtions.


Contributors: Derek McDonald (aka “Skel”)


Really very good old times! I think your computer not recognizing the hard disk is most probably because the HD or interface is dead. It was very common at that time. I have lost some of mines with very few use. The first I had that died was a 30MB Seagate...

Tuesday 20th December 2016
Yan (Brazil)

I used mine all the way up to 1989, I used to surf the web, I mean BBS by dial up back then. Played dungeons and dragons, and Chess written in Turbo Pascal.

Thursday 1st October 2015
Mike Kaltenhauser (canada)

I received a 1000EX from my wife for Christmas, 1986. She bought it on installments of $25.00 per month on our Mobil gas card. It came with 256k ram, DOS 3.2, Deskmate software, the CM-11 monitor and a DMP-130 printer, in several boxes. I loved playing with it, and soon had it tricked out with the memory expansion board with 640k of ram, a mouse, and second, external floppy drive. Although Tandy officially swore it was impossible, I searched and found a manufacturer who made me an interface board and sold me an external 40mb hard drive with its'' own power supply. I don''t think I could boot off the hard drive, but the computer recognozed it on bootup and I sure loved all the storage space. I could run dozens of programs straight off the hard drive. After a while, I moved on to bigger and faster computers, the first of many being an NEC 386 running DOS 6.0 and a 60 mb hard drive with 2mb of ram. Ahh, the good old days!. Flash forward 29 years to today, I still have the EX, and it still bootd up and both floppies still work. Unfortunately, something has gone awry with the DOS 5.0 boot floppy, so the computer doesn''t recognize the hard drive. Or, worse, something has gon wrong with the hard drive. it spins up, but it doesn''t talk to the computer. If anyone ahs any insight as to what parameters I should have in the autoexec.bat ans config.sys files, I''d love to tyr to get this beauty back in fighting shape. Ifg you think you might have something to offer, e-mail me at I cna send you the current contents of those files, if it would help.

Tuesday 21st April 2015
Fred Howe (New York State, USA)


NAME  1000 EX
MANUFACTURER  Tandy Radio Shack
TYPE  Home Computer
YEAR  december 1986
KEYBOARD  Full stroke keyboard, 90 keys, 12 function keys, numeric keypad
CPU  Intel 8088
SPEED  4.77 MHz / 7.16 MHz
RAM  256 KB (up to 640 KB)
ROM  16 KB
TEXT MODES  80x25, 40x25
GRAPHIC MODES  CGA/TGA, 160 x 200, 320 x 200, 640 x 200
COLORS  16 colours (8 colours at the same time max.)
SOUND  3 voices (8 octaves) + 1 sound channel
SIZE / WEIGHT  19 lbs
I/O PORTS  2 x joysticks, RGBI colour monitor video output, composite video output, mono audio output (with volum control knob), lightpen port, parallel port, serial port (optional), external floppy drive connector, 3 internal expansion slots
BUILT IN MEDIA  one 5.25'' floppy disk drives (360 KB)
OS  MS-DOS 2.11, DeskMate 2.0 and GW Microsoft Basic included with the system
POWER SUPPLY  Built-in power supply
PRICE  $1000 (USA, dec. 1986)
$599 (USA, 1988)

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