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Search Again :: Adv Search 1000 results in 0.019s
<1234567…34>
  • Trouble with Spectrum +2 keyboardHey everyone, I'm having trouble with the 1,2,3,4,5 keys on my ZX Spectrum +2. It's been like that since I bought it from eBay. The PT No. is 40060/…

    ... Part No is ESU2456A and Date Code is 00427.

    Anything ...
    speccyfan1945 speccyfan1945 February 2011 Hardware
  • ZX Interface 1 ULAs FOUND !!Thanks to Ian Gledhill (of Mutant Caterpillar) we have now acquired a stock of replacement ZX Interface 1 ULAs. These are new old stock and have a d…

    ... old stock and have a date code of 1984, but the part ...
    rwap rwap November 2013 Sales
  • QL microdrive units (x2)Found two old microdrive units I ripped out of a QL many moons ago. Just the bare units, no fancy cases etc. I have NO idea if they're any use for …

    ... /> ULA 2G007E, 8344 date code on one, ULA 2G007E date code 8348 on the ...
    DEATH DEATH September 2014 Sales
  • Non-Ferranti ULA 6C001E-7?Hello! I don't like Iss2 boards that much but after revising one Speccy like that for a friend, the results were so positive that I decided to have …

    ... of "Ferranti" manufacturing on it? Date code: 8821 (??), "PS" rather than "Ferranti ...
    pkersey pkersey December 2014 Hardware
  • +2 Grey versionsThis thread is an attempt to pin down the various hardware revisions of the +2 Grey. If anybody can provide further images from their machines or fur…

    ... there appear to be separate date coded batches

    date code for the PCB batch ... text rotated on it, date code 8721 [img]http://rk ... (batch):[/i] The date code for the PCB batch ... PSU sticker).
    [i]Date of manufacture (batch):[/i] ? ...
    smogit smogit September 2015 Hardware
  • Rolling display from RGB port on a +2Hi gang, after many years I finally decided today to attempt connecting my +2 to my Japanese RGB monitor. Using just the composite video pin only …

    ... 's a Z70700 with a date code of 8647.

    Many ...
    MagicKnight MagicKnight August 2016 Hardware
  • in quest for a z80 :DI am trying to find a Z80A in some retail shops here in Greece. I have only located the following CPUs branded as either Z80 without anything else o…

    [QUOTE=beanz]Got a couple of these from work and not sure if they are right for the speccy...here is all the info on the chip if anyone could tell me if they are good or not.

    Zilog
    Z0840004PSC
    z80 CPU
    9530 KH

    ...
    Quazar Quazar January 2007 Hardware
  • in quest for a z80 :DI am trying to find a Z80A in some retail shops here in Greece. I have only located the following CPUs branded as either Z80 without anything else o…

    [QUOTE=Quazar]Yes, it will work.

    Zilog
    beanz beanz January 2007 Hardware
  • in quest for a z80 :DI am trying to find a Z80A in some retail shops here in Greece. I have only located the following CPUs branded as either Z80 without anything else o…

    [QUOTE=Pyjamarama]Hi
    I managed to find a Z80 but I do not know if it is the right one
    Z84C0008PEC
    Z80 CPU
    0124 74

    I hope it is the one (...anxious...)[/QUOTE]

    Z84C 0008 PEC
    Quazar Quazar January 2007 Hardware
  • Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…

    ... .

    Also, note the date code on that Z80 - 0637 - it ...
    Winston Winston March 2007 Sinclair Miscellaneous
  • New Game! Phantomasa in the Land of the Grunge WizardsNOW!! You already can help Phantomasa in this new adventure, a platform arcade, with 2 different versions : one for the 128K with 50 screens and anot…

    ... free to mess with the code!

    I've been ... some of the up-to-date code that was stored on a ...
    frobush frobush September 2007 Games
  • New Game! Phantomasa in the Land of the Grunge WizardsNOW!! You already can help Phantomasa in this new adventure, a platform arcade, with 2 different versions : one for the 128K with 50 screens and anot…

    ... free to mess with the code!

    I've been ... some of the up-to-date code that was stored on a ...
    Graz Graz September 2007 Games
  • Suggestions for Mr. Rich MellorRich, is there a chance any of these things could be available from you in a near future? -AY interface for 16K/48K Spectrums -PS/2 keyboard interfa…

    ... of 74LS series chips (the date code puts them at the tail ...
    Winston Winston November 2008 Hardware
  • How to know the year linked to a serial number?Hello are there available online registers for finding out the year linked to a serial number? For example: could you tell me the year of this one?…

    You could try looking on the PCB for the production date code. It'll be a 4 digit number printed in the silk-screen legend (the white ink), with format YYWW (YY=year, WW=week number).
    Dave_C Dave_C January 2009 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... , modulator 8213, ULA 8240, Z80 date code obscured by a dead cockroach ...
    gasman gasman August 2009 Sinclair Miscellaneous
  • +2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…

    ... 4716"]RetroTechie[/URL]'s genius date code idea below, can you ... . This is the latest date code I can see, so ... speccy was made after that date. For +3 owners, ... sticker on with a date printed, perhaps the tape ... /> There is also a date code on the modulator can, ...
    guesser guesser September 2010 Hardware
  • +2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…

    ... to look at the date codes on the IC ... parts were exchanged later, date codes won't be [I ... I] board manufacture date, so latest date code should be close to ... where there's recognizable date codes on IC's ... FrankT uploaded: I spot date codes ranging from 8637 to ...
    RetroTechie RetroTechie September 2010 Hardware
  • +2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…

    ... . Unless parts were exchanged later, date codes won't be [I ... ]beyond[/I] board manufacture date, so latest date code should be close to ... that FrankT uploaded: I spot date codes ranging from 8637 to ... lot of sense. Your IC date code idea might help change that ...
    guesser guesser September 2010 Hardware
  • +2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…

    ... Z70833, Issue 1
    Last date code: 8826 (Modulator)

    +3 ... , R62=2.2K
    Last date code: 8719 (Modulator)

    +3 ... , R62=2.2K
    Last date code: 8722 (Modulator)

    I ... haven't used date codes for the Z80, ROMs ...
    glancaster glancaster September 2010 Hardware
  • +2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…

    ... Z70833, Issue 1
    Last date code: 8826 (Modulator)

    +3 ... , R62=2.2K
    Last date code: 8719 (Modulator)

    +3 ... , R62=2.2K
    Last date code: 8722 (Modulator)
    [/QUOTE]
    guesser guesser September 2010 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... NO. 400607B Part No. ESU2456A Date Code. 70217
    ASM ASM October 2010 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    +3

    serial number: U114034.

    Issue 2 board (Z70830) dated 1987

    Date code: 70518
    pigdog pigdog October 2010 Sinclair Miscellaneous
  • Trouble with Spectrum +2 keyboardHey everyone, I'm having trouble with the 1,2,3,4,5 keys on my ZX Spectrum +2. It's been like that since I bought it from eBay. The PT No. is 40060/…

    ... Part No is ESU2456A and Date Code is 00427.

    Anything ...
    orange orange March 2011 Hardware
  • Amstrad Toast Rack?Hello there my fellow WoS'ers Recently I have been very lucky with my brother giving me a Sinclair Spectrum 128K+ (Toast Rack), it needed a little a…

    assuming the date code signifies week 20 of 1986, that ULA was made after the Amstrad acquisition of Sinclair. I don't know how long toastrack production continued after the takeover.
    guesser guesser May 2011 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... /> 32K RAM KM4164A-15 - no date code. Interesting they're 64Kbit chips ...
    Spirantho Spirantho May 2011 Sinclair Miscellaneous
  • 128k Heatsink Serial NumberI just bought a nice 128k heatsink all boxed up. I think it has a low serial, but I am unsure. I cannot find out anywhere how the serial for the 128k…

    ... it, you can check the date codes on the chips (ULA ... manufacture date (ie it can't be before the earliest date code).

    A date code of 8623 would ...
    csmith csmith March 2012 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... off the ULA, and date code off the Z80, that would ...
    csmith csmith December 2012 Sinclair Miscellaneous
  • The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…

    ... in production. But before some date, there were no CMOS parts ... production is CMOS. So if date code says week xx in 1982 ... are it's NMOS. If date code says week yy in 2006 ...
    RetroTechie RetroTechie April 2013 Hardware
  • The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…

    ... it'll have a 2012 date code. (The last ones I bought ... 2010 and had a 2010 date code and also had the newest ...
    Winston Winston April 2013 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... # 10060/B, Part No. ESU2456A, Date code 70213
    Issue: Amstrad Z70830 ...
    Trafferth Trafferth May 2013 Sinclair Miscellaneous
<1234567…34>

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