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<1…13141516171819…34>
  • Is there a ROM modification (48K) for load without typing LOAD""?The target is to play with 48K machines with keyboard broken, or an alternative solution for new clones like Superfo instead of making a new keyboard…

    ... target is to play with 48K machines with keyboard broken, or ...
    antoniovillena antoniovillena April 2012 Development
  • I/O port adress map of Spectrum and interfacesI'm looking for an adress map of all the used and unused I/O ports for the ZX-Spectrum. Many years ago I designed an I/O board for the Spectrum that…

    ... works fine on a clean 48K Spectrum and as far as ... know it also works without problems in combination with an Opus ...
    Knik Knik April 2012 Hardware
  • about Three Weeks In Paradise 48k versionHi All, I want we to talk for Three Weeks In Paradise 48k version :) Mikie make very precise tzx who is in WOS archive, but Side A and Side B of thi…

    ... for Three Weeks In Paradise 48k version :)
    Mikie make very ...
    gorski gorski April 2012 MIA/STP/SDP
  • boxed 48k for repairsSelling a boxed 48k speccy + with all leads here is the link to the ebay listing. [url]http://www.ebay.co.uk/itm/251050350027?ssPageName=STRK:MESELX…

    Selling a boxed 48k speccy + with all leads here ...
    rustyredline rustyredline April 2012 Sales
  • Divide problemsHi everyone Had stability problems with my divide, The initial logo now appears garbled and the nmi Resets the unit Cleaned the contacts, and resoc…

    Hi everyone

    Had stability problems with my divide,
    The initial logo now appears garbled and the nmi
    Resets the unit

    Cleaned the contacts, and resocketed the chips

    Any advice?
    danilop2k2 danilop2k2 April 2012 Hardware
  • Spectrum 48k Issue 4S?I just recieved a Spectrum 48K that had the bottom case from an issue 1 and the top half from a later issue, and the main board is 1983 Issue 4S. I a…

    I just recieved a Spectrum 48K that had the bottom case from an issue 1 and the top half from a later issue, and the main board is 1983 Issue 4S. I am curious in what way it differs, as there are no schematic for issue 4S on this site.
    Johan1973 Johan1973 April 2012 Hardware
  • Replacement 48K MembranesCan anyone recommend a website where I can buy a replacement membrane for my 48K? The only one I know of is Sintech but they charge extortionate amou…

    Can anyone recommend a website where I can buy a replacement membrane for my 48K? The only one I know of is Sintech but they charge extortionate amounts for postage. One that takes Maestro debit cards would be ideal too.

    Thanks. :)
    Ian Hamilton Ian Hamilton May 2012 Hardware
  • Divide kind of working - could do with some helpHello all. Sorry for asking what might be things which have already been discussed, I did try and search honest gov... So, have a 128 toast rack (th…

    ... turbo

    A few problems:

    1. Turn on ... and hold space - reboots to 48k and then every second try ...
    bigredjennings bigredjennings May 2012 Hardware
  • 48k Spectrum Cufflinks[url=http://www.ebay.co.uk/itm/Sinclair-ZX-Spectrum-48k-Geek-Cufflinks-Ideal-Gift-/320898624273?pt=UK_VintageComputing_RL&hash=item4ab70c6b11#ht_3546…

    [url=http://www.ebay.co.uk/itm/Sinclair-ZX-Spectrum-48k-Geek-Cufflinks-Ideal-Gift-/320898624273?pt=UK_VintageComputing_RL&hash=item4ab70c6b11#ht_3546wt_1396]I want a set![/url]
    MattLamb MattLamb May 2012 Chit chat
  • Zx 48k after the ic7805 other problemHi everyone, i am Tiago from Portugal, and i am trying to repair a Zx Spectrum 48K. the machine didn't do anything, no image, no sound, nothing. The…

    ... to repair a Zx Spectrum 48K.
    the machine didn't ... , i used it with other 48k and works fine
    I ...
    tiago tiago May 2012 Hardware
  • zx 48k ribbon cables slotOne more question regarding the zx 48k: the other 48K i have, and this one is working fine, i had to open it compare the voltages with a broken one..…

    ... question regarding the zx 48k:
    the other 48K i have, and ...
    tiago tiago May 2012 Hardware
  • Dark Screen, non working 48k Spectrum (rubber key)I have an issue 1 (I think) "dead cockroach" 48k Spectrum. On power up I get a dark screen and the machine is unusable - see pics. Any ideas on the…

    ... 1 (I think) "dead cockroach" 48k Spectrum.

    On power ...
    TopBanana TopBanana May 2012 Hardware
  • 48k PSU UpgradeCan anyone give the definitive word on a PSU upgrade (rather than just a replacement) for 48k machines? I'm thinking of adding at least an IDE inter…

    ... than just a replacement) for 48k machines?

    I'm ... of options for providing my 48k machine with more juice, including ...
    napoleonblownaparte napoleonblownaparte May 2012 Hardware
  • Raspberry Pi - fit into 48k Spectrum case?Hi all, New poster, here...long time lurker and Spectrum nerd. I've just got hold of a Pi from t'int for use with XBMC etc and did think about bui…

    ... about it going inside a 48k Speccy case, instead.

    JerzyBulovski JerzyBulovski May 2012 Sinclair Miscellaneous
  • OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…

    ... , SE BASIC solves these two problems.

    SE BASIC is ... ROM from the 16K and 48K machines (this requires replacing the ... (not a lot on a 48K machine, but quite useful on ...
    chev chev May 2012 Sinclair Basic
  • Wanted: Rubber key Spectrum 48k case for projectHi all, As mentioned elsewhere, I'm after a Spectrum 16/48k (rubber key) case (no internals required) to house a Raspberry Pi board. Condition woul…

    Hi all,

    As mentioned elsewhere, I'm after a Spectrum 16/48k (rubber key) case (no internals required) to house a Raspberry Pi board.

    Condition would need to be fair/good, at least.

    Thanks
    JerzyBulovski JerzyBulovski May 2012 Wanted
  • Wanted: Working 48K MotherboardMy Issue 3 48K motherboard is kaput, so I'm after a replacement. I've already fitted the case with a new membrane, so I don't need a whole new system…

    My Issue 3 48K motherboard is kaput, so I'm after a replacement. I've already fitted the case with a new membrane, so I don't need a whole new system.

    Just need it shipped to Brisbane, Australia.
    SquallStrife SquallStrife June 2012 Wanted
  • 48K/128K classificationI'm sorry if I've looked in the wrong places and not found it, but what are the rules regarding a game being listed as either: ZX Spectrum 48K ZX Sp…

    ... />
    ZX Spectrum 48K
    ZX Spectrum 48K/128K
    ZX Spectrum ... /> it must be classified as 48K/128K because it behaves differently ... advertised as being for Spectrum 48K/128K/+2 etc, but makes ... identical to the 48K mode)? Should it be 48K, or 48K/128K? I ...
    PrinceGaz PrinceGaz June 2012 Infoseek database
  • ULA6C001E-7 and 48K Issue 2Dear Sirs, Could you please let me know if ULA6C001E-7 or ULA6C001E-6 chip was suitable for 48K board issue 2 ? I heard some mods are neccessary…

    ... -6 chip was suitable for 48K board issue 2 ?

    ikci ikci June 2012 Hardware
  • Known Z80 M1 problems?I got an email yesterday from someone asking for a Z80 without the M1 problem. I only know about the fanout problem that many Z80's are suffering of…

    ... 's are suffering off, causing problems with e.g. DivIDE or ... ?
    Does it cause similar problems with e.g. DiviDE?
    bverstee bverstee June 2012 Hardware
  • DIY AY for 48k schematicHello! I can't seem to find a diy schematic for attaching AY to 48k so it gets 128k compatible sound. I see offers to sell ready made devices, but n…

    ... schematic for attaching AY to 48k so it gets 128k compatible ...
    ArtemKuchin ArtemKuchin June 2012 Hardware
  • Using an ATX power supply - Spectrum 48kOK... I have an Issue 3 48K model and the DC-DC converter does not work and I can?t make it work. :( There is a MOD to use an ATX power supply on the…

    ... ... I have an Issue 3 48K model and the DC-DC ...
    Turrican Turrican June 2012 Hardware
  • Spectrum 48K help neededI hav got an old Specrtum 48K issue 3. When I plug-in power connector it doesn't show the home screen (c) Sinclair.... From about 50 times trying to …

    ... hav got an old Specrtum 48K issue 3. When I plug ...
    btrafela btrafela June 2012 Hardware
  • ZX80, ZX81, boxed and unboxed 48K'sI have a lot for sale again. [B]ZX80[/B] To start with a ZX80: in good shape, no missing parts, yellowed though. This one includes a ZX81 rom. Also …

    ... , including the boxes.

    - 48K unboxed with original membrane: €30 ... / 25 GBP (2 available)
    - 48K boxed with original membrane: €55 ... / 45 GBP
    - 48K boxed issue 2 with new ...
    bverstee bverstee June 2012 Sales
  • Internal amp and signal cleaner for tape inHello! Is there known to work INTERNAL schematic which cleans signal from tape in and amplifies it. I need such thing so i can load from my smartpho…

    ... 48k anything. I want the thing to be internal have not problems ...
    ArtemKuchin ArtemKuchin July 2012 Hardware
  • Video issue with my 1st 48K SpeccyHi all I'm a long time retro fan and I just picked up my first Speccy. It's a rubber key 48K with a rev 4a mainboard. It's a nice clean unit and i…

    ... . It's a rubber key 48K with a rev 4a mainboard ...
    spookt spookt July 2012 Hardware
  • The complete Spellbound (48k) RAM disassemblyHello everyone. I just wanted to share the fruits of almost two years' labour; I've produced a [URL="http://www.dur.ac.uk/philip.anderson/disassembl…

    ... .uk/philip.anderson/disassemblies/spellbound-48k/index.html"]fully annotated disassembly ... [/URL] of Mastertronic's Spellbound (48k version) by David Jones.
    Weyoun Weyoun July 2012 Development
  • 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…

    ... 't load software meant for 48K machines. Having followed the guide ...
    spookt spookt July 2012 Hardware
  • Looking for a Spectrum 48k+ caseJust putting out a question here if anyone has or know where I can get just the case of a Spectrum 48k+ to put my Issue2 board + upgrades in?

    Just putting out a question here if anyone has or know where I can get just the case of a Spectrum 48k+ to put my Issue2 board + upgrades in?
    Johan1973 Johan1973 July 2012 Hardware
  • Issue 2 Failed 48k to 128k upgradeI have been trying to upgrade my Issue 2 with the help of Velesoft, using this schematic; [IMG]http://i764.photobucket.com/albums/xx284/arioch1973/4…

    ... it to work as a 48K machine again. However, I still ...
    Johan1973 Johan1973 July 2012 Hardware
<1…13141516171819…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
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    John Elliott on April 21
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HitBox

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48k 20.9K 29.1K

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