--- 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...