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<1234567…34>
  • Replacing Upper RAM in 48KHi Folks Well, my fun continues :) After sorting the display issues with this machine I found I couldn't load software meant for 48K machines. Havin…

    ... work very well for the Harlequin boards if I not mistaken?
    Zetr0 Zetr0 July 2012 Hardware
  • Replacing Upper RAM in 48KHi Folks Well, my fun continues :) After sorting the display issues with this machine I found I couldn't load software meant for 48K machines. Havin…

    ... work very well for the Harlequin boards if I not mistaken?[/QUOTE ... of RAM in the PCB Harlequin then this should work. But ...
    chev chev July 2012 Hardware
  • Sorry...Needed some space for my add-ons, and noone wanted to have the spare plus cases, so... [IMG]http://benophetinternet.nl/hobby/vanmezelf/SAM_0157.JPG[…

    Joder!

    Those all cases could have been used as home for harlequin boards... what a waste!
    Zup Zup March 2014 Hardware
  • New (ish) owner of spectrum goodies!!! :DHi peeps! A couple of months ago I managed to get a huge haul of spectrumy goodness through a colleague who worked with my wife. It only cost m…

    Forgot to add that I'll try to list all their games at some point... and I'm interested in getting one of the harlequin boards to build a new speccy from scratch and have a go with the project olta thing...
    Shugs81 Shugs81 April 2016 Hardware
  • Replacement ZX Spectrum Coloured Rubber Key mats, Faceplates and MembranesWas not sure where to put this, I bet it will make you want to spend money : ) Me I cannot wait. https://www.youtube.com/watch?v=Q9cgCAZti98

    Between these and the Harlequin boards, we're only missing an external case in order to have a 100% accurate 48K Spectrum made in 2016. :-)
    cbmeeks cbmeeks August 2016 Hardware
  • Harlequin keyboards / housingsI have about 20 or maybe more ZX Spectrum 48K's, which I'm planning to sell in separate parts (refurbished boards, ULA's and cases). Now I'm interes…

    ... sell in separate parts (refurbished boards, ULA's and cases).
    Now I'm interested if Harlequin owners want a refurbished case ...
    bverstee bverstee November 2014 Sales
  • Harlequin Rev G - Decoupling Capacitors?Guys - I started assembling my Rev G Harlequin board over the weekend. Right after I picked it up and started loading parts, it struck me that there…

    ... started assembling my Rev G Harlequin board over the weekend. Right ... erratic behavior out of these boards that might be attributed to ...
    msansom msansom March 2017 Hardware
  • New to these boardsHi everyone, I'm new to these boards. In the early 80s my mate's brother got a ZX81, then shortly after a Spectrum 48K - a few weeks of playing Mani…

    ... , I'm new to these boards.

    In the early ...
    jonesmark jonesmark July 2004 Games
  • Harlequin ZX Spectrum Clone now 100% compatible!Hi all! The Harlequin ZX Spectrum clone now shows full timing compatibility with the ZX Spectrum! 8-) Both the ULA IO and memory contentions are fa…

    Hi all!
    The Harlequin ZX Spectrum clone now shows ...
    csmith csmith July 2007 Hardware
  • scanning boards with EPROMs?I have a number of expansion boards (for the ZX81) that have EPROMs on them. I'd like to scan the boards for preservation - you get a much better pi…

    ... have a number of expansion boards (for the ZX81) that have ... 'd like to scan the boards for preservation - you get a ...
    hldswrth hldswrth August 2007 Hardware
  • Control Boards??Does anyone remember at school you could get them control boards which were wired to the BBC Micro / Research Machines computers via a parrelel conne…

    ... you could get them control boards which were wired to the ... .

    I remember the boards having two rows of Red ...
    Scottie_uk Scottie_uk May 2009 Chit chat
  • TS2068 twister boards (fixers)A few years I helped Anestis coordinate a group order of K-Mouse Turbo interfaces. This time it's something that might appeal to most Timex TS2068 us…

    ... 's a pic of the boards that are ready now:
    boards made, and the cost is ...
    zxbruno zxbruno February 2010 Sales
  • Can a Spectrum make a Harlequin?I've seen this before, but it's still a bit confusing. Are they really printing circuit boards and a Speccy controls the whole thing? :) [url]http:/…

    ... . Are they really printing circuit boards and a Speccy controls the ...
    zxbruno zxbruno April 2010 Sinclair Miscellaneous
  • does anyone sell blank divIDe boards?or even divIDE+ boards and can you get the GAL files to program on GAL chips or are they all closed source?

    or even divIDE+ boards
    and can you get the GAL files to program on GAL chips or are they all closed source?
    reanimator reanimator March 2011 Hardware
  • +2B/+3 flash boardsAfter a recent surge in demand there are now only three of these boards left* from the batch I had made. Once they're gone they're gone unless I can …

    ... now only three of these boards left* from the batch I ... unless the remaining issue 1 boards get sold that's never ...
    guesser guesser November 2011 Sales
  • Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…

    ... and project notes from the Harlequin... a Speccy fan in the ... designed a PCB for the Harlequin! (The Harlequin as you probably remember ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html[/url]

    Winston Winston January 2012 Hardware
  • Best current ide /flash interfaces? and re harlequin cloneHi I have a few 48k rubber-key spectrum's, a harlequin clone board :) on order and 1 (one) divide+ interface. I was hoping zetro's simple IDE woul…

    ... rubber-key spectrum's, a harlequin clone board :) on order and ... also fit / work on the harlequin clone? seeing as thats not ...
    iainjh iainjh February 2012 Hardware
  • Flash Boards UpdateAs per [URL="http://www.worldofspectrum.org/forums/showthread.php?t=36525"]this thread[/URL] I'm still working on the Issue 2 flash rom boards. I re…

    ... the Issue 2 flash rom boards.

    I received prototype ...
    guesser guesser June 2012 Hardware
  • Working or dead 48K boards wantedI'm looking for 48K boards, as I don't have any left. I prefer defective ones as I can fix all issues myself now. 48K boards fit in an envelope or l…

    I'm looking for 48K boards, as I don't have ... myself now.

    48K boards fit in an envelope or ...
    bverstee bverstee August 2012 Wanted
  • BAS-ROM for HarlequinSince it is very easy for everybody to plug a new BAS-ROM into his Harlequin there is the question, what kind of ROM and what additional functions sh…

    ... new BAS-ROM into his Harlequin there is the question, what ...
    HZJ HZJ April 2014 Development
  • A tally on the number of successful builds of the Harlequin[SIZE=4][COLOR=Green][U][B]A tally on the number of successful builds of the Harlequin.[/B][/U][/COLOR][/SIZE] Please post your successes below :-) …

    ... of successful builds of the Harlequin.[/B][/U][/COLOR][/SIZE]
    1024MAK 1024MAK May 2014 Hardware
  • Harlequin - usefull mods and addsHello, I start here a thread regarding mods and adds for the Harlequin. It was found: * that the Sinclair Interface 1 does not fully work at the Ha…

    ... mods and adds for the Harlequin.

    It was found ... not fully work at the Harlequin.
    * that the Beta Disk ... ) does not work at the Harlequin.

    The reason is ... leads the -12V of the harlequin to the circuitry that needs ...
    ingo ingo May 2014 Hardware
  • Wanted: ZX Spectrum rubber or + casesHi all See, now I have a lonely issue 1 board that is naked and need of a case to live in now that I have repaired it (well the main PCB is repaired…

    ... />
    I also have a Harlequin board that will need a ... see reunited with working Speccy boards, and you don't want ...
    1024MAK 1024MAK May 2014 Wanted
  • populated Harlequin Rev.D -> Rev.FHi, I like to sell my Harlequin Rev. D board. I modified it to be identical to Rev. F: * switching regulator instead of linear regulator for DC in …

    ... /> I like to sell my Harlequin Rev. D board. I modified ...
    ingo ingo June 2014 Sales
  • http://worldofspectrum.boards.net/Go here: [url]http://worldofspectrum.boards.net/[/url]

    Go here: [url]http://worldofspectrum.boards.net/[/url]
    The Starglider The Starglider August 2014 Chit chat
  • http://worldofspectrum.boards.net/[url]http://worldofspectrum.boards.net/[/url]

    [url]http://worldofspectrum.boards.net/[/url]
    The Starglider The Starglider August 2014 Sinclair Miscellaneous
  • http://worldofspectrum.boards.net/Temporary home here: [url]http://worldofspectrum.boards.net/[/url]

    Temporary home here: [url]http://worldofspectrum.boards.net/[/url]
    The Starglider The Starglider August 2014 Games
  • http://worldofspectrum.boards.net/[url]http://worldofspectrum.boards.net/[/url] <-go here for the temporary forum!

    [url]http://worldofspectrum.boards.net/[/url]
    The Starglider The Starglider August 2014 Announcements
  • Harlequin case label concept?Hello everyone; I have been thinking about constructing a case for my Harlequin board. Nothing too outlandish; a sheet-metal case very close to the…

    ... constructing a case for my Harlequin board. Nothing too outlandish; a ... to have a Sinclair-style Harlequin label (in raised metal or ...
    Trafferth Trafferth August 2014 Sinclair Miscellaneous
  • Possibly daft Harlequin composite question... :SHi; My Harlequin Rev. F works fine apart from one aspect: there's no composite out... :( I have checked continuity and the discrete components. I.…

    Hi;

    My Harlequin Rev. F works fine apart ...
    Trafferth Trafferth September 2014 Hardware
<1234567…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
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  • circuit boards?Supoosing one was in desperate need of an upgrade, and supposing one found some schematics on the net for a floppy interface, and an IDE interface, h…
  • PCB boards redesign...Would someone be interested in a redesign of the ZX Spectrum hardware?<br /> <br /> Actually hardware is already working....only need to do PCB layou…
  • New to these boardsHi everyone, I'm new to these boards.<br /> <br /> In the early 80s my mate's brother got a ZX81, then shortly after a Spectrum 48K - a few weeks of …
  • Do spambots trawl these boards?It's said not to be safe to post an email addy on any BBS, because of the spambots -- is that true?<br /> <br /> Say I posted the address (gwbtruth@y…
  • Harlequin ZX Spectrum Clone now 100% compatible!Hi all!<br /> The Harlequin ZX Spectrum clone now shows full timing compatibility<br /> with the ZX Spectrum! 8-) <br /> <br /> Both the ULA IO and m…
  • scanning boards with EPROMs?I have a number of expansion boards (for the ZX81) that have EPROMs on them. I'd like to scan the boards for preservation - you get a much better pi…
  • General Sound boardsAs seen here: [url]http://www.worldofspectrum.org/forums/showthread.php?t=18344[/url]<br /> <br /> As I have the full schematics and layouts adapted …
  • Joysticks on Amstrad boardsNever mind the oddly wired connectors for this post... as we all know, the joystick ports on the +2 and +3 are Sinclair Interface II equivalents.<br …
  • Control Boards??Does anyone remember at school you could get them control boards which were wired to the BBC Micro / Research Machines computers via a parrelel conne…
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