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<1234567…34>
  • Harlequin 128K minor problems.....Hi All, I've just assembled my Harlequin 128K kit, I had initial problems with it that I traced to not having soldered all of the pins on a couple…

    ... /> I've just assembled my Harlequin 128K kit, I had initial problems ... random characters being typed (in 128K basic) and the keyboard appearing ...
    prime prime March 2017 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    Hi peeps...

    I've seen that you can do a 128k version of the Harlequin board.

    Is it just the standard board with different chips or is it a different board all together?

    Thanks
    Shugs81 Shugs81 April 2016 Hardware
  • Harlequin 48k and 128ki am redoing my harlequin 48 parts onto a new harlequin 128k bored only parts i can't swap are the rom, ram and will need an ay chip but seeing as th…

    ... parts onto a new harlequin 128k bored only parts i can' ...
    caver99 caver99 March 2017 Hardware
  • Harlequin 48k and 128kHi all i have been putting together a harlequin 128k and have a few components assembled on the board including some sockets and today arrived the…

    ... have been putting together a harlequin 128k and have a few components ... arrived the kit for my harlequin 48k so i will start ...
    caver99 caver99 March 2017 Hardware
  • Harlequin turbo mode ( 7 MHz )Hi, All. Sorry for my bad english. I make Harlequin mod - turbo mode ( CPU clock 7MHz ) for Harlequin. Could you be so kind to write your opin…

    ... br />
    I make Harlequin mod - turbo mode ( CPU clock ... 7MHz ) for Harlequin.
    Could you be so ... schematic.
    I tested on Harlequin 128K.

    [img] ... ) is inverting CPUCLK , but Harlequin has different schematic : CLKB is ...
    tetroid tetroid May 2016 Hardware
  • Just speccy or harlequin ?Hi all, I just wondered, to fit on an original rubber key 48k spectrum, which one would you recommend ? Just speccy 128k or the harlequin 128k ? S…

    Hi all,
    I just wondered, to fit on an original rubber key 48k spectrum, which one would you recommend ?
    Just speccy 128k or the harlequin 128k ?
    Self assembly and soldering is no problem.
    Greetings
    frankje frankje December 2016 Hardware
  • Harlequin 128 Rev 2D with ZX Interface 1 RS232Hi, Does anyone have any experience of using serial interface on ZX Interface 1 plugged into a Harlequin 128. While microdrive works fine, i can't…

    ... Interface 1 plugged into a Harlequin 128. While microdrive works fine ... the same test on a Harlequin 128k Rev 2D produces no output ...
    Georgeo Georgeo May 2021 Hardware
  • Spectrum 48+ 4S - Upper RAM issue, and now a self-created problem!I recently picked up a known-flaky spectrum off eBay, to have a bit of fun fixing it and reliving youth. It was labelled as 'keyboard duff, shows…

    ... anyone built one of the Harlequin 128k revision 2D boards, with the ...
    Paulcatchpole Paulcatchpole December 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    ... .ebay.co.uk/itm/Superfo-Harlequin-128K-ZX-Spectrum-clone-PCB-only ... "]ebay.co.uk/itm/Superfo-Harlequin-128K-ZX-Spectrum-clone-PCB-only ...
    Shugs81 Shugs81 April 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    ... .ebay.co.uk/itm/Superfo-Harlequin-128K-ZX-Spectrum-clone-PCB-only ... "]ebay.co.uk/itm/Superfo-Harlequin-128K-ZX-Spectrum-clone-PCB-only ...
    ingo ingo April 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    My Harlequin 128k is working since last weekend. ...
    ingo ingo May 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    ... -archive.com/2016/06/11/harlequin-128k-issue-1/
    superfo superfo June 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    ... you should first solder the Harlequin 128k as it is and try ... impressive difference between the Harlequin 128k and the original 128k Spectrum hardware is ... .25A for the combination of Harlequin 128k and divIDE at 12V input ...
    ingo ingo June 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    I have just received my harlequin 128k Rev 1 board thanks looks great
    caver99 caver99 June 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    [quote="Shugs81;864230"]Maybe I got the wrong parts list...[/quote]

    Use this one (page 8), sorry for confuse.

    http://www.pdf-archive.com/2016/06/11/harlequin-128k-issue-1/
    superfo superfo June 2016 Hardware
  • Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…

    ... paper containing my mods for Harlequin 128k issue 1.
    [url="http ...
    ingo ingo June 2016 Hardware
  • Speccy Retro TypologyHow many types of Speccy Retro are there?

    ... hand built kit like the Harlequin 128K . As a comparison it will ...
    harriusherbartio harriusherbartio November 2016 Sinclair Miscellaneous
  • Just speccy or harlequin ?Hi all, I just wondered, to fit on an original rubber key 48k spectrum, which one would you recommend ? Just speccy 128k or the harlequin 128k ? S…

    So does the Harlequin 128k... which also fits the rubber key case :-)

    [b][i]Mark[/i][/b]
    1024MAK 1024MAK January 2017 Hardware
  • Upgrading Harlequin 48K to 128K?I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K: http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PC…

    ... .speccy.org/cosas/JL/Harlequin/superfo1.html"]trastero.speccy. ... org/cosas/JL/Harlequin/superfo1.html[/url]
    ... there is a link to Harlequin 128K zip file. Download it ... .org/cosas/JL/Superfo-Harlequin-128K/128K-i.html"]Harlequin 128K[/url].
    Claudius Claudius February 2017 Hardware
  • Upgrading Harlequin 48K to 128K?I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K: http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PC…

    ... also need new EPROM with 128K ROM in it. You ... other benefits of the Speccy 128K like the AY chip. ... go for a proper Harlequin 128K with the AY IC ... or for even for JustSpeccy 128K, Chrome or something smiliar. ... clone acting as the 128K but in the fact being ...
    Claudius Claudius February 2017 Hardware
  • Harlequin Rev GI have just got all the bits to build an Harlequin Rev G system and I went for a red solder mask board. I have fitted the 3 surface mount components…

    got a new board and going to order a new kit to populate it, as for this board it's toast now so moving all parts to a harlequin 128k rev 1 board and will do the 2b mods on it.
    started a new post to post progress of both these systems
    caver99 caver99 March 2017 Hardware
  • Harlequin 128K minor problems.....Hi All, I've just assembled my Harlequin 128K kit, I had initial problems with it that I traced to not having soldered all of the pins on a couple…

    ... .worldofspectrum.org/forums/discussion/52552/harlequin-128k/p3"]https://worldofspectrum.org/forums ... /discussion/52552/harlequin-128k/p3[/url]
    I tested ...
    ingo ingo March 2017 Hardware
  • Redesigning the ZX Spectrum 128k - A lifelong dreamHello, I am myPinballs (Jim) and i run a small business here in the uk making replacement 8-bit hardware pcbs for arcade pinball games as well as…

    ... with any Harlequin 48K, Harlequin 128K, ZX Nuvo, Just Speccy 128K and Chrome 128K. It ...
    Claudius Claudius May 2017 Hardware
  • Redesigning the ZX Spectrum 128k - A lifelong dreamHello, I am myPinballs (Jim) and i run a small business here in the uk making replacement 8-bit hardware pcbs for arcade pinball games as well as…

    ... with any Harlequin 48K, Harlequin 128K, ZX Nuvo, Just Speccy 128K and Chrome 128K. It ...
    myPinballs myPinballs May 2017 Hardware
  • Redesigning the ZX Spectrum 128k - A lifelong dreamHello, I am myPinballs (Jim) and i run a small business here in the uk making replacement 8-bit hardware pcbs for arcade pinball games as well as…

    ... with any Harlequin 48K, Harlequin 128K, ZX Nuvo, Just Speccy 128K and Chrome 128K. It ...
    Korinel Korinel July 2017 Hardware
  • Harlequin 48k and 128kHi all i have been putting together a harlequin 128k and have a few components assembled on the board including some sockets and today arrived the…

    ... and next is my harlequin 128k and repair if I can ...
    caver99 caver99 December 2017 Hardware
  • Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …

    ... for my harlequin 48k and 1 for the harlequin 128k when it's ...
    caver99 caver99 January 2018 Hardware
  • Harlequin 128 issue 1Bhello Superfo i have the Harlequin 128 issue 1B i have a question. when i connect interface one the Harlequin is not booting up if i force to work l…

    ... you send me for the harlequin 128k to modify it to work ...
    mkcreta mkcreta September 2018 Hardware
  • New Floppy Interface for the +2a/b (black case)Hello everybody! For a long time I wondered about the posibility of adding a FDD to the +2a/b (black). I knew it was possible; All the logic is alre…

    I would be interested in a kit as well as inhave a plus2a as well as plus3 and building a harlequin 128k and one of these would be fun to have
    caver99 caver99 December 2018 Hardware
  • Upgrading Harlequin 48K to 128K?I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K: http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PC…

    ... on ebay for upgrading the Harlequin to 128K:
    http://www.ebay ... .co.uk/itm/ZX-Spectrum-Harlequin-48K ... -to-128K-Upgrade-Addon-PCB-UK ... like the idea of a 128K inside a 48K case.
    RobeeeJay RobeeeJay February 2017 Hardware
<1234567…34>

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  • WANTED: 128k+ or 128k +2(early grey mod.) ULA chipHello,<br /> Attempting to repair my 128k+ speccy.<br /> Needs a ULA(IC1)chip from either a 128k+ or an early +2 will work also.<br /> If anyone has …
  • Was the Sinclair 128k the same as the 128k +2?I only ever played on a 48k Speccy a few times and I owned a +2 and that's it.<br /> <br /> Was the Sinclair 128 the same as the 128+2? I mean you co…
  • 128K exclusive single-load games Vs. 128k exclusive multiload gamesAlthough this matter is maybe more suitable to development, I will place it here as it mainly about games ;)<br /> <br /> I have realized after loadi…
  • Harlequin 128k??Hi peeps...<br /> <br /> I've seen that you can do a 128k version of the Harlequin board. <br /> <br /> Is it just the standard board with differ…
  • Upgrading Harlequin 48K to 128K?I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K:<br /> http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Ad…
  • Harlequin 48k and 128ki am redoing my harlequin 48 parts onto a new harlequin 128k bored only parts i can't swap are the rom, ram and will need an ay chip but seeing as th…
  • Harlequin 128K minor problems.....Hi All,<br /> <br /> I've just assembled my Harlequin 128K kit, I had initial problems with it that I traced to not having soldered all of the pins…
  • Harlequin 48k and 128kHi all<br /> <br /> i have been putting together a harlequin 128k and have a few components assembled on the board including some sockets and today…
  • Which 128k games actually used 128kA lot of 128k games were 48k games with decent AY music, or used screen flipping features,<br /> <br /> What games actually used 128k, e.g. all ban…
  • old 128K music and nowaday 128k musicthe old "official" specy 128 games has very good music, I love them.<br /> but these music are not uses the capatibilites of the AY chip, why?<br />…

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