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website/content/museum/timex-sinclair-1000.md
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---
title: TIMEX / SINCLAIR 1000
categories:
- Computers
types:
- Home Computer
origins:
- U.S.A.
years:
- '1982'
cpus:
- Zilog Z80A
params:
name: '1000'
image: /media/museum/photos/timex_1000_system_1.jpg
company: /companies/timex-sinclair
company_name: TIMEX / SINCLAIR
specs:
- label: NAME
value: '1000'
- label: MANUFACTURER
value: TIMEX / SINCLAIR
- label: TYPE
value: Home Computer
- label: ORIGIN
value: U.S.A.
- label: YEAR
value: '1982'
- label: BUILT IN LANGUAGE
value: Sinclair Basic
- label: KEYBOARD
value: Membrane keyboard
- label: CPU
value: Zilog Z80A
- label: SPEED
value: 3.25 Mhz
- label: RAM
value: 2 KB
- label: ROM
value: 8 kb
- label: TEXT MODES
value: 32 x 22
- label: GRAPHIC MODES
value: 64 x 44
- label: COLORS
value: None, black & white
- label: SOUND
value: None
- label: SIZE / WEIGHT
value: 16.5(W) x 17.5(D) x 3.8(H) cm
- label: I/O PORTS
value: Expansion bus, tape-recorder, video
- label: POWER SUPPLY
value: 9V external power supply unit
- label: PERIPHERALS
value: Memory modules, thermal printer
- label: PRICE
value: $99.95
tabs:
- photos
- adverts
- hardware
- emulators
- links
- docs
forum_thread: 471
photos:
- title: LARGE VIEW
subtitle: ''
text: Thanks to **Marvin Wolfe**
image: /media/museum/photos/timex_1000_system_s3.jpg
- title: LEFT SIDE CONNECTORS
subtitle: ''
text: |-
From left to right:
\- RF modulator output to TV set - Tape recorder jacks - External AC converter jack
image: /media/museum/photos/timex_1000_leftside_1.jpg
- title: RAM MODULE
subtitle: ''
text: System connected to the Timex 16 KB RAM module
image: /media/museum/photos/timex_1000_system_2.jpg
- title: MOTHERBOARD
subtitle: ''
text: |-
Never, in the computers industry, a computer was made using so few components.
**(1)** 2 KB RAM memory chip, here a Toshiba version\
**(2)** 8 KB ROM chip holding the Sinclair BASIC interpreter\
**(3)** Z80A microprocessor, here a NEC version\
**(4)** ULA (Uncommitted Logic Array) chip which manages the whole system\
**(5)** UHF modulator allows direct connexion to a TV set\
**(6)** Tape recorder Input/Output jacks\
**(7)** DC power jack. Power is supplied by an external AC adaptor\
**(8)** Voltage régulator with its metallic cooler\
**(9)** This metal rod was added in the Timex version to avoid radio frequency emission and comply with US FCC rules\
**(10)** Keyboard connectors
image: /media/museum/photos/timex_1000_motherboard_1.jpg
- title: TIMEX USER MANUAL
subtitle: ''
text: Like the European version, this manual provides clear and progressive introduction to BASIC language
image: /media/museum/photos/timex_1000_manual_1.jpg
- title: BOX
subtitle: ''
text: ''
image: /media/museum/photos/timex_1000_box.jpg
adverts:
- title: US ADVERT.
subtitle: ''
text: ''
image: /media/museum/pubs/timex_sinclair-1000_leaflet.jpg
- title: 'ADVERT #2'
subtitle: ''
text: Picture courtesy of Steve Browning, www.sbrowning.com/vintage.
image: /media/museum/pubs/timex_1000_pub_1.jpg
- title: 'ADVERT #3 (1983)'
subtitle: ''
text: In March 1983, the price of the assembled version decreased of $20 ($79.95 instead of $99.95)
image: /media/museum/pubs/timex_1000_pub_6.jpg
hardware:
- title: 64 KB
subtitle: from Suntroncis
text: Suntronics T/S 1000 & ZX81 64K Memory Pack (Male Socket on Back, Female Socket on Front).
image: /media/museum/hardware/timex_1000-suntronics-64k_1.jpg
- title: TIMEX SINCLAIR 1016
subtitle: 16k RAM extension
text: ''
image: /media/museum/hardware/timex_sinclair-1000_16kram-1016.jpg
emulators:
- title: EightyOne
url: http://www.chuntey.com/eightyone/
platform: Windows
text: Excellent emulator emulating nearly all ZX computers (80, 81, Spectrums, Timex, etc.). As well as emulating the machines themselves, numerous addon cards are supported, including hi-res graphics, custom character sets, sound and colour cards.
- title: VB81
url: http://freestuff.grok.co.uk/vb81/
platform: Windows
text: Sinclair ZX81 Emulator (with Visual Basic sources). Excellent emulator
- title: X-Tender
url: http://www.delhez.demon.nl/
platform: Windows
text: The best ZX emulator for PC compatibles
- title: ZX 81 Homepage
url: http://www.maxon.de/homes/r_kurz/
platform: Windows
text: ''
- title: ZX81
url: http://www.w-4.de/~kurz/
platform: Apple
text: ''
- title: XZ81
url: http://www.zx81.nl/
platform: Unix / Linux
text: And other ZX-81 emulators there...
- title: ZX-81 Emulator 2.1
url: http://www.hh.schule.de/hhs/mjaap/ftp/zx81_v21.zip
platform: Atari
text: ''
- title: Java ZX81 Emulator
url: http://home.clara.net/rsergeant/
platform: Other platform
text: Java emulator
- title: Timex/Sinclair 1000 Emulator (Java)
url: http://www.vavasour.ca/jeff/trs80.html#ts1000
platform: Other platform
text: With this JAVA emulator, you'll be able to run a Timex/Sinclair 1000 in your browser window
- title: zx81emu
url: http://www.tlienhard.com/ap800.shtml
platform: Other platform
text: ZX-81 Emulator for the SonyEricsson P800 Smart Phone
- title: MESS
url: http://www.mess.org
platform: Multiplatform
text: MESS emulates the ZX-81, Lambda 8300, Power 3000 and other clones !
links:
- title: Achromic's ZX81 Site
url: http://zx81.achromic.co.uk/
text: A small, ZX81 fan site. With games and links to some emulators
- title: DOCUMENTATION
url: http://www.8bit.ht.st/
text: The Lil Old Sinclair Computer Technical Information Repository
- title: DOCUMENTATION
url: http://web.ukonline.co.uk/sinclair.zx81/
text: ZX-81 on-line manual. Great work !
- title: Jame's Sinclair ZX-81 Page
url: http://james.istop.com/zx81/
text: Some technical infos and links
- title: Planet Sinclair
url: http://www.nvg.ntnu.no/sinclair/computers/zx81/zx81.htm
text: Planet Sinclair has very interesting information on the ZX-81
- title: Sinclair ZX Hardware Website
url: http://www.xs4all.nl/~echorod/zx/index.htm
text: Features designs to build your own Sinclair computer
- title: The ZX81 Hardware and Software Collection
url: http://zx81.atspace.com/
text: Online museum for ZX81 hardware, software and literature
- title: TS1000.US
url: http://www.ts1000.us/
text: Documentation, software, hardware tips and more
- title: Zebra Systems, Inc.
url: http://www.zebrasystems.com/zebrasystems/zx81/index.html
text: Website where you can buy Timex/Sinclair products including ZX-81 kits !
- title: ZX81 Collection
url: http://www.zx81stuff.org.uk/
text: Online collection of ZX81 tapes, books and hardware
- title: ZX-81 forum
url: http://zx81.tlienhard.com/
text: A new ZX-81 forum. cool.
- title: ZX81 Home Page
url: http://www.honneamise.u-net.com/zx81/
text: FAQ and ZX81 Charts.
- title: ZX-81 The Archive
url: http://www.imarshall.karoo.net/zx81/zx81technical.htm
text: Lot of info here
- title: ZX-81 webring
url: http://www.zx81.de/webring/index.htm
text: Very useful to explore other ZX-81 related sites
- title: ZX-Team Homepage
url: http://www.zx81.de/
text: Quite a reference for the ZX-80, ZX-81, TS1000-1500, PC8300, Lambda and Jupiter Ace !
- title: ZX-TEAM-homepage & ZX-81 Web-Ring
url: http://www.zx81.de/
text: Logically useful
- title: Web Wiz CAPTCHA
url: http://www.webwizcaptcha.com
text: Sinclair computers
docs:
- title: SINCLAIR ZX-81 BASIC PROGRAMMING
url: ftp://ftp.worldofspectrum.org/pub/sinclair/books/ZX81BASICProgramming.pdf
cover: /media/museum/docs/couvs/sinclair_zx81_basic-programming.jpg
text: |-
[**SINCLAIR ZX-81 BASIC PROGRAMMING**](ftp://ftp.worldofspectrum.org/pub/sinclair/books/ZX81BASICProgramming.pdf)written by Sinclair Research Limited / Steven Vickers
 compiled/archived by Robin Stuart\
 type of document : PDF\
 size : 5,2 MB\
 source : [www.worldofspectrum.org](http://www.worldofspectrum.org/)
**... READ THE ONLINE VERSION BY CLICKING BELOW :**
- title: TIMEX SINCLAIR 1000 - USER MANUAL
url: http://www.ts1000.us/usermanuals.htm
cover: /media/museum/docs/couvs/timex-sinclair_1000_user-manual.jpg
text: |-
[**TIMEX SINCLAIR 1000 - USER MANUAL**](http://www.ts1000.us/usermanuals.htm)written by Timex / Sinclair / Steven Vickers
 compiled/archived by Bill Hicks\
 type of document : PDF\
 size : 3.5 MB\
 source : [www.ts1000.us](http://www.ts1000.us/)
**... READ THE ONLINE VERSION BY CLICKING BELOW :**
- title: THE COMPLETE TIMEX TS1000 & SINCLAIR ZX81 ROM DISASSEMBLY
url: null
cover: /media/museum/docs/couvs/sinclair_zx81_rom-disasembly.jpg
text: |-
**THE COMPLETE TIMEX TS1000 & SINCLAIR ZX81 ROM DISASSEMBLY**\
written by Dr. Ian Logan & Dr. Frank O'Hara
 compiled/archived by Bill Hicks\
 type of document : PDF\
 size : 5 MB\
 source : [www.ts1000.us](http://www.ts1000.us/)
**... READ THE ONLINE VERSION BY CLICKING BELOW :**
- title: TIMEX SINCLAIR 2020 COMPUTER PROGRAM RECORDER
url: null
cover: /media/museum/docs/couvs/ts2020_tape-recorder_manual.jpg
text: |-
**TIMEX SINCLAIR 2020 COMPUTER PROGRAM RECORDER**\
written by Timex Computer Corporation
 compiled/archived by Bill Hicks / www.ts1000.us\
 type of document : Online reader
**... READ THE ONLINE VERSION BY CLICKING BELOW :**
related:
- /museum/czerweny-cz-1000
- /museum/czerweny-cz-1000-plus
- /museum/lambda-electronics-ltd-pc-8300
- /museum/microace
- /museum/sinclair-zx-80
- /museum/sinclair-zx-81
- /museum/tonel-pc
oc_id: 477
source:
url: https://web.archive.org/web/20230531221915/http://www.old-computers.com/museum/computer.asp?c=477
date: '2023-05-31'
---
This is the US version of the Sinclair [ZX-81](/museum/sinclair-zx-81/) marketed by Timex. The main difference is that the TS 1000 has 2 KB RAM instead of the 1 KB RAM of the original ZX-81.
See the [ZX-81](/museum/sinclair-zx-81/) pages for more info...