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<1…18192021222324…34>
  • ZX-Uno first impressionsZX-Uno first impressions Hello: I received my ZX-Uno last Saturday and I wanted to give everyone my first impressions of this latest ZX Spectru…

    ... /> Check CRC
    Keyboard
    Timing
    Contended RAM
    DIVMMC ... />
    Roms
    ZX Spectrum 48k Cargando Leches
    ZX +2a ...
    ZX Spectrum 48K
    Rooted ZX Spectrum 48K
    Jet Pac ...
    andydansby andydansby May 2016 Hardware
  • 48k Speccy died, resistors getting too hot to touchHi folks, With 2 days to go till an exhibition my trusty dual-boot 48K issue 3b that I made last year has given up the ghost and I'm not sure I ha…

    ... exhibition my trusty dual-boot 48K issue 3b that I made ...
    witchy witchy June 2016 Hardware
  • A focus on old TVs for 48k spectrums The old 48k Spectrum is becoming harder to use "display wise" in its original state. This thread is about retaining originality and not going down …

    The old 48k Spectrum is becoming harder to ... fine tune it to a 48k Spectrum so that it provides ... easy to tune to a 48K Spectrum without the said remote ... to unite then with a 48k ZX Spectrum to get a ...
    harriusherbartio harriusherbartio July 2016 Hardware
  • 48K Issue 2 Spectrum showing exactly 16KI've acquired an issue 2 and it quickly became clear that only 16K of memory is available. I've read that some early 48K Spectrums with malfunctionin…

    ... 've read that some early 48K Spectrums with malfunctioning upper RAM ... 32767. 16K games load and 48K games don't.

    LoonyJetman LoonyJetman August 2016 Hardware
  • Upper memory issueZX Spectrum 48K, issue 2, boots fine. Lower RAM OK. When tested with the new test ROM in the Diagboard, for all upper RAM tests "FAIL" is shown. I…

    ZX Spectrum 48K, issue 2, boots fine.
    ... Diagboard, for all upper RAM tests "FAIL" is shown.
    It ...
    georgedb georgedb September 2016 Hardware
  • 48K (in 48) vs 48K in 128K / +2 / +3I'm sorry I've probably overlooked this but despite a search I did not see it. :( and looking at some of the tech pages did not really answer my ques…

    ... copyright message difference in the 48K rom, are there any other ... / or bugfixes between the original 48K (or 16K I guess!) Spectrum ...
    spider spider September 2016 Hardware
  • Alternative 48K keyboard/caseLooking for any alternative 48K keyboard/case ... preferably a Fuller FDS or a Transform Ltd. No DK'Tronics or Saga Emperor please (I have/have had …

    Looking for any alternative 48K keyboard/case ... preferably a Fuller FDS or a Transform Ltd.
    No DK'Tronics or Saga Emperor please (I have/have had those).
    Shockwav3 Shockwav3 November 2016 Wanted
  • I can't get my 48K to load from TapDancer/OTLA!Hello, First of all, apologize if this type of question gets asked alot around here. I've been searching for hours trying to find a solution, but th…

    ... the EAR slot of the 48K, and heaphone port of my ...
    tomhas10 tomhas10 November 2016 Hardware
  • ZX Spectrum 48k tape loading issueHi guys I have refreshed a ZX spectrum 48k with a new keyboard layer and front case. The machine will power up and seems to work good. Unfortunate…

    ... have refreshed a ZX spectrum 48k with a new keyboard layer ...
    repetto74 repetto74 December 2016 Hardware
  • Wanted: Spectrum 48k lower and upper case ( or just dead machine!)Hi all, for a project I'd like to buy a 48k rubber key upper and lower plastic case I don't need the keyboard membrane, keyboard or faceplate, ju…

    ... 'd like to buy a 48k rubber key upper and lower ...
    iainjh iainjh January 2017 Wanted
  • Speccy won't bootHi all, I've got an issue 3 48k that won't boot properly. When I turn it on, it either does one of the two following things, it either displays a …

    ... 've got an issue 3 48k that won't boot properly ... test ROM, it passes all tests and I've had it ... CPU? It runs through the tests quite happy, I just didn ...
    Jet5y Jet5y January 2017 Hardware
  • Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…

    ... Aug'87. Apart from a timing comparison I also did a ... />
    Here's the BASIC timing routine which I use. The ... in line 9994. The first timing should be done with 9994 ... get the loop overhead. The timing for that is then deducted ...
    Battle Bunny Battle Bunny January 2017 Sinclair Basic
  • New uses for Spectrum 48K - Light Switch ProjectHi All I'd like to use a Spectrum 48K unit as a light switch in my house. It will reside on the wall in my entrance hall and will be used to contr…

    ... like to use a Spectrum 48K unit as a light switch ... , electronics expert nor a Spectrum 48K enthusiast.

    Over to ...
    Trebzuk Trebzuk January 2017 Hardware
  • +2 grey booting in 48k modeI have been doing some research here after reading in spanish magazine microhobby a modification that allows the +2 to boot straight into 48k mode: …

    ... +2 to boot straight into 48k mode:

    [URL=http ...
    Renegade Renegade January 2017 Hardware
  • Spectrum 48k Power Supply?Guys - I've got a Spectrum 48k inbound from the UK. I want to scrounge a power supply to use when it arrives. What size jack did it use and what ar…

    ... - I've got a Spectrum 48k inbound from the UK. I ...
    msansom msansom 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…

    ... .uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PCB ... of a 128K inside a 48K case.
    RobeeeJay RobeeeJay February 2017 Hardware
  • Spectrum 48k Clock SpeedSo I was reading the [url="http://www.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K_ServiceManual.pdf"]Spectrum 48k Service Manaul[/u…

    ... /technical-docs/ZXSpectrum48K_ServiceManual.pdf"]Spectrum 48k Service Manaul[/url] and came ...
    msansom msansom February 2017 Hardware
  • Best way to mod a Spectrum 48K for Composite VideoIt seems that their are generally two ways to mod a 48K for composite video - just wiring the composite into the RF modulator over to the RCA jack vs…

    ... two ways to mod a 48K for composite video - just wiring ...
    msansom msansom March 2017 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…

    ... chip but seeing as the 48k version bored failed to work ...
    caver99 caver99 March 2017 Hardware
  • 48K expansion tight? DivMMCHello! I recently got my hands on a ZX Spectrum 48k and decided to pick up a DivMMC Enjoy! (Without the case) It works just fine except for one thi…

    ... hands on a ZX Spectrum 48k and decided to pick up ...
    Equim Equim March 2017 Hardware
  • ZX Spectrum 48k Model 2 won't workHi, I started this discussion a while back on another forum and so I thought I start it here. I can't tune in to my 2 ZX Spectrum which are both Mode…

    ... I have done the power tests on the 2nd one, The ...
    AmstardSpectrum AmstardSpectrum March 2017 Hardware
  • 48K light gun on a 128K ZX SpectrumHello I have a 128K ZX Spectrum. I want to use a Cheetah Defender with a DE-9 plug (Kempston interface wired) with it. I am aware that normally it…

    ... I load a game from 48K basic and use a Kempston ... behave like a ordinary rubber 48K Spectrum doesn’t it? Has ...
    Boojakascha Boojakascha March 2017 Hardware
  • Issues with Spectrum 48K on SCART input of LCD displaysHi *! I'm new to the forums, but not new to ZX Spectrum. I have bought a ZX Spectrum 48K in 1983 and own it since. It was stored some 20+ years on…

    ... have bought a ZX Spectrum 48K in 1983 and own it ...
    Kolli Kolli March 2017 Hardware
  • 48K vs 128K BASIC, I prefer the keyword entry system how about you?Being brought up with the 48k rubber and 48k+ I find the keyword entry system really fast and enjoyable to use. When I've played around with the 128k…

    Being brought up with the 48k rubber and 48k+ I find the keyword ...
    ivanb303 ivanb303 March 2017 Sinclair Basic
  • 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…

    ... the kit for my harlequin 48k so i will start assembling ...
    caver99 caver99 March 2017 Hardware
  • Save video directly from ZX 48K hardwareWhat is the best "proven" way (bets quality) to acquire video from a Speccy 48K ? I have converted the the TV out into AV,,with the usual mod (wit…

    ... acquire video from a Speccy 48K ?

    I have converted ...
    RMartins RMartins April 2017 Hardware
  • The "Big Issue" about the ZX 48K rubber key Spectrum . Which Issue is best? There is no easy answer as every 48k rubber keyed Speccy owner will have their own favourite so it will be pretty subjective . But my favourite a…

    ... no easy answer as every 48k rubber keyed Speccy owner will ... an Issue 6A rubber key 48k . I got it cheaply on ...
    harriusherbartio harriusherbartio April 2017 Hardware
  • Vapourizing Tracking on top side of 48k Speccy Boards.I think I used a hot soldering iron and it caused the tracks to disappear on the top side of two Spectrum 48k boards I was renewing the capacitors on…

    I think I used a hot soldering iron and it caused the tracks to disappear on the top side of two Spectrum 48k boards I was renewing the capacitors on.

    Has anyone else had this problem? Is it a known problem or am I imagining it!!
    harriusherbartio harriusherbartio April 2017 Hardware
  • WTD : disk drive compatable with Beta Disk 48K 1984 (Please delete, wrong category).Good morning or evening everybody. I'm looking for a disk drive compatable with the Beta Disk interface (48K from 1984). Contact me if you could …

    ... with the Beta Disk interface (48K from 1984).
    Contact me ...
    Zarchos Zarchos May 2017 Hardware
  • Disk drive compatable with the Beta Disk interface (48K from 1984).Good morning or evening everybody. I'm looking for a disk drive compatable with the Beta Disk interface (48K from 1984). Contact me if you could …

    ... with the Beta Disk interface (48K from 1984).
    Contact me ...
    Zarchos Zarchos May 2017 Wanted
<1…18192021222324…34>

Latest Posts

  • I bought an accoustic guitar. How do you play it?
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    AndyC on 6:29PM
  • Another Birthday! The Game Boy Is 35!
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  • I am currently watching.....
    Antiriad2097 on 5:05PM
  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21

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48k 20.9K 29.1K
timing 3.3K 4.1K
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  • 48k / 48k+ Keyboard MembranesCan anyone out there help me to locate a set of new keyboard membranes for my Speccy 48k (rubber keys) and 48k+ . <br /> I've just dusted them off af…
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