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<1234567…34>
  • 16k to 48K upgradeHi everyone I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If this is possibl…

    Hi everyone

    I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If this is possible where would i get them from.

    thanks a lot

    Benammi
    benammiswift benammiswift September 2014 Hardware
  • Upgrading a 16k ZX to a 48kHi First post here (usually on Amiga forums) so hello! I've got a dead 48k ZX Spectrum with a damaged motherboard and a fully working 16k ZX. The 1…

    ... /> I've got a dead 48k ZX Spectrum with a damaged ... ) which are populated on the 48k board.

    My question ... transform my 16k into a 48k or is it more involved ... exactly what the 16k -> 48k upgrade was that they performed.
    dangermouse dangermouse October 2010 Hardware
  • Raspberry PI in a Spectrum 48k+ case Keyboard OptionsHi, I was lucky enough to get an empty Spectrum 48k+ Upgrade Kit Case on eBay. This is good because it doesn't involve taking apart a good Spectrum a…

    ... to get an empty Spectrum 48k+ Upgrade Kit Case on eBay. This ... number "Upgraded" on bottom. The 48k+ case has slightly more space ... Pi compared to the original 48k case. The only problem is ... always very fragile on the 48k\48k+ so I need a solution ...
    lynn3686 lynn3686 October 2020 Hardware
  • Issue 1 only?The thread on the +2 prompted me to start this one. I got an issue 1 Speccy 16k in 1983 for my birthday and then a Fox Electronics 48k upgrade for m…

    ... and then a Fox Electronics 48k upgrade for my next birthday. So ...
    Gwyn Gwyn October 2006 Sinclair Miscellaneous
  • Yay. Found an issue 1!I've had a Speccy sitting about the house for a while, unused as it only ran as a 16k (a sticker seal on the casing suggested either a 48k upgrade or…

    ... the casing suggested either a 48k upgrade or repair).
    After reading ...
    liveinabin liveinabin March 2009 Hardware
  • Issue 1 ram connectors....Hi Does anyone have the pinout of the Issue 1 internal RAM connectors, for the 16K-> 48K upgrade board, as I'd like to try and make myself a board, a…

    ... connectors, for the 16K-> 48K upgrade board, as I'd like ... /> I'm guessing that the upgrade board just has the 8x4164 ...
    prime prime July 2012 Hardware
  • Gaming like it's 1983...A friend of mine, who is quite a bit younger than the VIC-20 and other 8-bits, has my VC-20 for a few weeks to write all about it. He grew up with th…

    ... and swap it for the 48K upgrade, as the 16K machine probably ...
    Shaun.Bebbington Shaun.Bebbington February 2013 Chit chat
  • Switch to 48mode without 'SPECTRUM' commandIs there a poke(s) to switch to 48 mode without SPECTRUM command. I want my tape loaders to switch automatically. I know how to switch ram banks ok…

    ... , Was 1984 before I got 48k upgrade memory chips for Christmas. I ... play Airwolf 'cause it was 48k only, I tried loading it ... much, it was my first 48k game. Apparently Santa had stayed ...
    FrankT FrankT September 2005 Sinclair Basic
  • JetPacIsn't this the most brilliant game in the history of the universe? I simply adore this. I used to only be able to get to screen 2 when I used to pla…

    ... a 16k. I got the 48k upgrade for my next birthday, so ...
    Gwyn Gwyn February 2006 Games
  • first 3 speccy games you remember playingEarth Defence Desert Burner JSW [I]edit: not including Thru' The Wall.[/I]

    ... bit restricted until getting a 48k upgrade a year later. My favourite ...
    Gwyn Gwyn March 2007 Games
  • myspeccy.org - online gaming which auto-saves scoresIt's a blimmin' miracle - I'm most impressed.

    ... Christmas 84 along with a 48k upgrade kit. It was the only ... 48k game I had for ages. ...
    FrankT FrankT June 2008 Sinclair Miscellaneous
  • A 64K Spectrum?? Is this real?I have seen avertised on Ebay today two boxed ZX Spetrum Rubber Keys. One 16K and the other a 64K upgraded model?? Is this for real??? [url]http://…

    Quote: "1 x Sinclair ZX SPECTRUM 64K (16K + 48K upgrade)"
    Please note the "16K + 48K upgrade".
    In fact it is a Spectrum 16K upgraded to 48K, I think!
    LCD LCD November 2008 Sinclair Miscellaneous
  • A 64K Spectrum?? Is this real?I have seen avertised on Ebay today two boxed ZX Spetrum Rubber Keys. One 16K and the other a 64K upgraded model?? Is this for real??? [url]http://…

    ... 64K (16K + 48K upgrade)"
    Please note the "16K + 48K upgrade".
    In fact ... it is a Spectrum 16K upgraded to 48K ... Sinclair ZX SPECTRUM 64K (16K + 48K upgrade)[/COLOR][/SIZE]

    [B ...
    Scottie_uk Scottie_uk November 2008 Sinclair Miscellaneous
  • Who Are You Guys..... ???I'm curious to learn about the guys (and no doubt gals) who keep this forum alive. Were you all Spectrum-heads from the start? Did any of you come la…

    ... hardware add-ons, parallel interface, 48K upgrade, memory paging unit, etc. Again ...
    RST#08 RST#08 March 2009 Games
  • Obligatory Speccy Christmas Games Thread 2009Mainly because I can't be bothered trying to find one of the old "Best Speccy Games to play at Christmas" type threads, I thought I'd start the inevi…

    ... with the computer. (Got the 48k upgrade for my birthday in February ...
    Grunaki Grunaki December 2009 Games
  • Need quick info: Speccy was never in "kit form" right?I've recently registered on a german forum and as expected it is full of C64 users. Not a problem, the tone is civil and all is fine but there is the…

    [QUOTE=ZnorXman;435403]Are they thinking this because you could get a 16k version and upgrade it to 48k?[/QUOTE]

    Also there was the 48k -> 48k+ upgrade kit.
    NickH NickH April 2010 Sinclair Miscellaneous
  • Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …

    ... /> Its part of the FOXX 48k upgrade kit.
    [IMG]http://i432 ...
    FrankT FrankT July 2010 Hardware
  • CAPS SHIFT on Spectrum+ ComputerI have just recently supplied a couple of replacement Spectrum+ keyboard membranes to a customer in Barby, Germany. Although something may have been…

    ... spectrum+ keyboard.

    The 48k upgrade manual tells you to change ...
    guesser guesser December 2012 Hardware
  • TKMEM - the 128K interface for 16K SpectrumsHello all! Here in Brazil, we have made a small production of an interface, totally based on Velesoft?s memory expansion ([url]http://velesoft.speccy…

    [QUOTE=Crisis;672363]so now there is beside the 48k upgrade kit a 128k upgrade interface, wow ![/QUOTE]

    It's not perfect, but works very well.
    And you must disable the 32k upper ram. :D
    Turrican Turrican December 2012 Hardware
  • Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…

    ... I only intended a small 48K upgrade at first), I might make ... an intermediate enhanced 48K version once I have the ... source to create a tweaked 48K version - I'm now doing ... and give it the full upgrade to 128K - Even more rooms ...
    David Jones David Jones October 2013 Development
  • Speccy Christmas MemoriesGiven the time of year, I was getting a bit nostalgic for Christmases past - and in particular for the ones that really meant something - when I was …

    ... after getting the spectrum+ upgrade kit and the 48k upgrade kit. Being taught ...
    BruceNorton BruceNorton December 2013 Chit chat
  • 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 …

    ... remember upgrading it to a 48K on the kitchen table sitting ... my Dad I needed the 48K upgrade as I'd written BASIC ... /> I too remember doing the upgrade sitting at the kitchen table ...
    Gwyn Gwyn January 2016 Games
  • 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 …

    Fox Electronics upgrade

    This came up ... /Sinclair-ZX-Spectrum-16K-to-48K-upgrade-kit-complete-with-instruction-manual ... /Sinclair-ZX-Spectrum-16K-to-48K-upgrade-kit-complete-with-instruction-manual ...
    harriusherbartio harriusherbartio March 2017 Hardware
  • Best Game for the 16K ZX SpectrumMaybe this has been covered before, but I thought I would ask for some "best game" ideas for the 16k Speccy

    ... I got the Fox Electronics 48K upgrade kit for my next birthday ...
    Gwyn Gwyn October 2019 Games
  • 48K -128K upgradeHas anybody ever made, or is it possible to make an upgrade module for a 48K spectrum that will let you operate it like a 128K Spectrum, and back aga…

    ... possible to make an upgrade module for a 48K spectrum that will ... would be quite a good upgrade, it would allow 128K (what ... ) software to work on a 48K model, but more importantly it ...
    Alien 8 Alien 8 March 2010 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…

    ... a PSU upgrade (rather than just a replacement) for 48k machines?
    48k machine with more juice, including ...
    napoleonblownaparte napoleonblownaparte May 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…

    I have been trying to upgrade my Issue 2 with the ... disassembled the upgrade and rewired it to work as a 48K machine ...
    Johan1973 Johan1973 July 2012 Hardware
  • I want to upgrade 16k to 48k - need help.I recently purchased a lovely little 16k machine (Issue 2) but I'd like to upgrade it to 48k. I'd rather not use a Ram pack as I think they are ugly…

    ... I'd like to upgrade it to 48k.

    I'd ... the RAM is upgraded to 48k?

    Where can I ...
    stu232 stu232 November 2012 Hardware
  • 16-48k memory upgradesince yesterday i am the proud owner again of a spectrum in excellent condition, boxed, etc. it was my first computer back in '82 as well, so it's ni…

    ... like to expand it to 48k. it's a 3b board ...
    ruud ruud May 2004 Sinclair Miscellaneous
<1234567…34>

Latest Posts

  • 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
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21

HitBox

Word Docs Hits
48k 20.9K 29.1K
upgrade 2.8K 3.5K

Related Threads

  • 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…
  • 16-48k memory upgradesince yesterday i am the proud owner again of a spectrum in excellent condition, boxed, etc. it was my first computer back in '82 as well, so it's ni…
  • 48K -128K upgradeHas anybody ever made, or is it possible to make an upgrade module for a 48K spectrum that will let you operate it like a 128K Spectrum, and back aga…
  • 48k to 128k upgrade - problemsHi friends!<br /> <br /> I built 128k upgrade according to the [url]http://hw.speccy.cz/128krebuild.html[/url]. After I powered on my Speccy it said …
  • 48k PSU UpgradeCan anyone give the definitive word on a PSU upgrade (rather than just a replacement) for 48k machines?<br /> <br /> I'm thinking of adding at least …
  • Issue 2 Failed 48k to 128k upgradeI have been trying to upgrade my Issue 2 with the help of Velesoft, using this schematic;<br /> <br /> [IMG]http://i764.photobucket.com/albums/xx284/…
  • I want to upgrade 16k to 48k - need help.I recently purchased a lovely little 16k machine (Issue 2) but I'd like to upgrade it to 48k.<br /> <br /> I'd rather not use a Ram pack as I think t…
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  • 16k to 48K upgradeHi everyone<br /> <br /> I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If thi…
  • Working 48k or 48k+ motherboardJust looking to make up a speccy from the parts I have round me, all I need is a working motherboard. Anyone have one they will part with for a few …

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