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<1234567…34>
  • Case Moulding Differences - +2/+3 modelsI've been studying the differences between the various 'official' Spectrum case mouldings for the Computer club at our local primary and have example…

    ... 've been studying the differences between the various 'official ... I did see a +3 the other week that had ... does anyone have a +2B, +3A and/or +3B ... Grey below) and share? I'm interested in differences in ... positions, as well as differences in physical dimensions and ...
    MykeP MykeP December 2015 Sinclair Miscellaneous
  • +2A/+3 +2B and +3 Schematics (again)Just to announce that I've done a fairly big update/re-organisation of my website, and specifically the [URL="http://alistairsserver.no-ip.org/spectr…

    ... I've gathered about the differences between different board revisions, the ... a new schematic for the +2B ISSUE2 and got lots of ... of factory mods on the +2B boards.

    Still no ... />

    TL;DR: The +2B schematics have been updated ;)
    guesser guesser January 2015 Hardware
  • Stereo sound kits for all 128K modelsI'm offering [B]a complete upgrade kit to enhance your ZX Spectrum 128K / +2 / +3 with crisp stereo sound[/B] as described in: [url]http://www.worldo…

    ... your ZX Spectrum 128K / +2 / +3 with crisp stereo sound[/B ... stereo sound from the AY-3-8912 sound generator
    [*]‘ ... model), +2 (grey), +2A, +2B, +3 and clones with AY-3-8912 soundchip.
    [QUOTE]Installed on my +3, works nicely.[/QUOTE]
    [QUOTE ...
    bverstee bverstee November 2011 Sales
  • Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…

    Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this test[/url] on your Speccy and write about results (or make a video, it's even better). It will help for ...
    weiv weiv November 2017 Hardware
  • Checking a Spectrum +2AI've just bought a (working) black +2A, and whilst I await the new Scart lead and an appropriate PSU, I thought I would ask a quick question about an…

    ... do have a +2 (grey), a +2B and a +3.
    As you ... />
    Speccy +2 vs +2B vs +3
    [IMG]http://farm4.staticflickr ...
    1024MAK 1024MAK August 2013 Hardware
  • What would you do with four joysticks?Anyone got some inspiring ideas for four-player games, or twin-stick two-player games..? I can think of, for four players: [I]Warlords[/I] (Atari) […

    Do all models of spectrum 48k,128k,grey,+2a,+2b,+3 etc support both the fuller and kempston interfaces hanging on the expansion port?
    MatGubbins MatGubbins November 2013 New game ideas
  • +2 Dusty coversHi all, I had recently been asked to make some Dust Covers for +2 size speccy and I had enough to make 3 extra. If anyone would like one, then PM me…

    ... +3 and +2 same dimensions?[/QUOTE]
    Almost:-
    +2 Grey / +2A/+2B ... inches, 5.7cm

    +3
    L= 17 1/4 ...
    1024MAK 1024MAK December 2013 Sales
  • + 3 floppy drive clicking then nowtJust picked up a split mint +3 so i expected it to work perfectly but when i switch it on or reset it the floppy clicks about 10/12 times and then no…

    Electrically the black +2B is very similar to the +3. The +2A uses ... the same PCB as the +3 (but real +2A PCB's ... .

    The biggest differences are the +2B has had improvements and ...
    1024MAK 1024MAK July 2014 Hardware
  • Did you choose to have a Speccy or did it just happen that way?A strange question I know, but, the reason I ask is that when we (my family) were looking to buy a computer non of my mates had computers and non of …

    ... , a plus, 128k toast rack, grey +2, 2B, 3, 3B) :D

    1024MAK 1024MAK January 2016 Games
  • What are the differences between the +2 and the +2A ?I only acquired a +2 for the first time in my life a few months ago. It works fine. :) I even managed to tracke down nearly all the wargames by the s…

    ... (toastrack), +2 (grey), +2A & +2B (black) and the +3 (inc the +3B ... +2A machines actually have a +2B PCB.

    [b][i ...
    1024MAK 1024MAK May 2016 Games
  • Spectrum Cables : How many individual types of these are there "out there" both past and now?So this is all about giving the SPECTRUM cables their correct cable titles to aid IDENTIFICATION OF CABLE TYPE and FUNCTION across the world.. An e…

    ... Amstrad made 128k Spectrum (+2 grey, +2A, +2B, +3, +3B), I would be ...
    1024MAK 1024MAK July 2017 Hardware
  • The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…

    ... has any effect on +2A/+3, does it?[/quote]
    It ... -real-128-black-2-and-grey-2a-2b-3"]in a strange way ...
    Ast_A_Moore Ast_A_Moore February 2018 Development
  • Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…

    ... a 2 T-state delay (3 T-states for the toastrack ... -real-128-black-2-and-grey-2a-2b-3

    Briefly, there ... screen switching timings on +2A/+3 machines - after third or fourth ...
    weiv weiv October 2019 Emulators
  • Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…

    ... -real-128-black-2-and-grey-2a-2b-3

    Briefly, there ... screen switching timings on +2A/+3 machines - after third or fourth ...
    Magnus_Krook Magnus_Krook October 2019 Emulators
  • Rubber keyed 128KCheck this out: First we had a grey +3, then we had a 128K with no heatsink. But now we have an original rubberkeyed 128K. [url]http://cgi.ebay.co.…

    ... />
    First we had a grey +3, then we had a 128K ...
    BruceNorton BruceNorton October 2006 Hardware
  • Spectrum modsHi all, Looking at my Spectrum stuff and the mod`s I have done. How many of you out there have done Spectrum modifications? And what are they? 1. …

    ... far I have done the +3 sound mod, my own version ... Video out mod

    3. +2B cassette phono plug load mod ...
    swift240 swift240 August 2007 Sinclair Miscellaneous
  • Repton ManiaHi all, I am the creator, and look after, the Repton Resource Page ([url]www.reptonresourcepage.co.uk[/url]). For the site, I have written a freely …

    ... 0xD18C Level surrounds (3 bytes per level: top ... Repton running left frame 3 2B: Repton running left frame ... Repton running left frame 3 2B: Repton running left frame ... br /> Version 2/3 pages (in +3 mode only)
    ... 6 -
    7 +3
    8 +3
    9 Pentagon ...
    geraldholdsworth geraldholdsworth June 2014 Games
  • Did all Spectrum 128Ks have that large heatsink?Question as per title. I can't seem to find the answer to this. I'm sure I've seen a picture of one without it. Would this be because someone has car…

    ... again, remarkably similar to Mr Grey +3's "it's not mine ...
    BruceNorton BruceNorton September 2006 Hardware
  • Did all Spectrum 128Ks have that large heatsink?Question as per title. I can't seem to find the answer to this. I'm sure I've seen a picture of one without it. Would this be because someone has car…

    ... the ebay fraudsters like Mr. Grey +3 and Mr. Rare 128K.
    BruceNorton BruceNorton September 2006 Hardware
  • Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…

    ... 36 03 LD (HL),3
    2B DEC HL
    ... (HL),1Bh
    2B DEC HL
    ... (HL),76h
    2B DEC HL
    ...
    John Elliott John Elliott December 2008 Sinclair Miscellaneous
  • What we gotI moved house and I have setup my Spectrum gear, I was looking at all that I have and was thinking what else do others have in there collection? Ok …

    3 x 48k rubberkey
    48k +
    128k Toastrack
    +2 grey
    +3
    IF 1
    2 ...
    Interface III
    Multiface 3
    Multiface 128
    RamTurbo ...
    Pilsener Pilsener May 2009 Sinclair Miscellaneous
  • What we gotI moved house and I have setup my Spectrum gear, I was looking at all that I have and was thinking what else do others have in there collection? Ok …

    ... ]3 x 48k rubberkey
    48k +
    128k Toastrack
    +2 grey ...
    +3
    IF 1
    2 ...
    Interface III
    Multiface 3
    Multiface 128
    RamTurbo ...
    alanspec alanspec May 2009 Sinclair Miscellaneous
  • Q. on a recently submitted JSW map.The [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/games-maps/j/JetSetWilly_8.png"]JSW map[/URL] recently submitted to WoS pops up weird over here …

    ... here shown as 50% intensity grey, which never
    existed ... are shown in 25% intensity grey.
    3. Passage rooms (for example ... ) are shown in 75% intensity grey (incidentally, the
    Spectrum ... white (two-level, 0% intensity grey and 100% intensity)
    ...
    mheide mheide August 2009 Support files
  • ZXC3 Rom CartridgeI recently aquired a ZXC3 Cartridge Rom from [URL="http://www.fruitcake.plus.com/"]Paul Farrow[/URL] fully populated with the latest diagnostic softw…

    ... />
    I ask because my +3/2B flash board can theoretically have ...
    guesser guesser December 2010 Hardware
  • contended memory...so memory contention on the toastrack and the grey +2 is in the wrong place compared to the documentation, yet the +2a/b and +3 it is in the correct …

    ... /+2 and the +2a/b/3.

    Which runs the ... />
    Anything written for the +3/+2B, or written assuming the contention ... manual will work on a +3/+2B but suffer on a 128k ... suffer on the +3/+2B.

    The +3/+2B machines were on the ...
    guesser guesser January 2011 Hardware
  • Z80 Edge Connectors - ProjectsHello there my fellow Spectrum-mites I am looking to source a few of these connectors - while I could just rework some old ISA socket for proto's I …

    ... rom replacement boards for the +3/2B?
    sounds like you'd ...
    guesser guesser March 2011 Hardware
  • divide question - ribbon cable?Hi - recently got a divide and loving it but not enough room on my desk. Is anyone aware of a supplier of a ribbon cable that could sit between +3 …

    Well I don't have a DivIDE... I think Winston has done some experiments regarding bus lengths. I know he found the Sinclair 128k is the worst machine in terms of loading the bus. I suspect the +3/2B will be the best.
    guesser guesser November 2011 Hardware
  • ZX Spectrum 128K composite video fixes in 1 documentI just finished my document with video fixes and improvements for all ZX Spectrum 128K models. Download it here: [URL="http://benophetinternet.nl/ho…

    ... /> The 12v line on the +3/2B is already fed through a ...
    guesser guesser January 2012 Hardware
  • Use a +2/+3 case as a replacement keyboard for 48KI was just wondering if a 48K Spectrum motherboard could be housed in a +3 case, and somehow the keyboard be connected so that it could have a proper…

    The keyboard membrane is totally different on the +3/2B machines
    guesser guesser January 2012 Hardware
  • Use a +2/+3 case as a replacement keyboard for 48KI was just wondering if a 48K Spectrum motherboard could be housed in a +3 case, and somehow the keyboard be connected so that it could have a proper…

    ... is totally different on the +3/2B machines[/QUOTE]

    But ...
    mcleod_ideafix mcleod_ideafix January 2012 Hardware
<1234567…34>

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  • +2A/+3 +2B and +3 Schematics (again)Just to announce that I've done a fairly big update/re-organisation of my website, and specifically the [URL="http://alistairsserver.no-ip.org/spectr…
  • Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…
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