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Search Again :: Adv Search 1000 results in 0.011s
<1234567…34>
  • Another badly behaved RAM upgradeI have a 48K issue 4A board (yellow it is) that was a 48K machine from new, but only reports 16K working with the Sinclair ZX Test ROM in an Int2. H…

    ... sockets and installed all new RAM. Same problem!

    So ... that are part of the RAM upgrade, they all check out, just ... thats the whole of the RAM upgrade chippery tested!

    Also ...
    Womble Womble November 2008 Hardware
  • 80K RAM UpgradeAn 80K RAM upgrade has been listed on sellmyretro.com (not by me). It is based on the one originally designed by Sandy Electronics and has their p…

    An 80K RAM upgrade has been listed on sellmyretro. ... - it seems a nice little upgrade.

    [url]http://www ... /details/NEW-SCT-MODULE-EXPANSION-RAM-80K-FOR--ZX-SPECTRUM-4119 ...
    rwap rwap January 2015 Sales
  • RAM Upgrade for ZX Spectrum?Check out this [url=http://cgi.ebay.co.uk/ZX-SPECTRUM-ZX-PANDA-16K-EXPANDABLE-RAM-PACK_W0QQitemZ290193305868QQihZ019QQcategoryZ50223QQrdZ1QQssPageNam…

    ... SPECTRUM-ZX-PANDA-16K-EXPANDABLE-RAM-PACK_W0QQitemZ290193305868QQihZ019QQcategoryZ50223QQrdZ1QQssPageNameZWD3VQQcmdZViewItem?_trksid=p1723.m144]EBay ... t have had a 16K Ram expansion pack because a) none ... would have been a 32K upgrade.

    The seller ...
    BloodBaz BloodBaz January 2008 Sales
  • ZX81 internal RAM upgrade?It's only a matter of time before I kill my ZX81 due to this slack ram pack :( Is there a tutorial available that will allow me to upgrade my RAM to…

    It's only a matter of time before I kill my ZX81 due to this slack ram pack :(

    Is there a tutorial available that will allow me to upgrade my RAM to 32k or maybe even more?
    stu232 stu232 March 2014 Hardware
  • zx81 internal ram upgrade?just curious if others have? I mean can you just rip the memory out of the ram-pack and use that.. as I'd rather just have the unit upgraded interna…

    ... the memory out of the ram-pack and use that.. as ...
    fog fog May 2010 Hardware
  • Spectrum Ram UpgradeHi, I am looking to upgrade my 16K Spectrum to 48K. I have some 41256 dram chips from an old QL memory expansion, can the Spectrum us the large…

    ... />
    I am looking to upgrade my 16K Spectrum to 48K ...
    doubledecca doubledecca August 2015 Hardware
  • 16 or 48k you decideI was wondering apart from the sticky label on the back say 48k and with out being able to see one boot up, if there is any way to tell a 16k machine…

    ... of their head for max ram upgrade for the wee beasty?)
    Toxitalk Toxitalk June 2007 Sinclair Miscellaneous
  • Issue 2 black paper white borderGot an issue 2 here that has a 6c001e ULA, no cockroach, no transistor mod (although you can clearly see on the top of the z80 and on some legs, some…

    ... ) now Im using Zorns excellent RAM upgrade for the lower memory so ...
    Macc Macc July 2013 Hardware
  • Converting a 16K speccy in +3??Yes, you heard right. A new interface to convert a 16Kb speccy into a Spectrum+3 have been developed. [IMG]https://lh6.googleusercontent.com/N2eAoz5…

    ... />
    - 128/256/512Kb de RAM upgrade. Selectable by jumpers
    - 2 ... games which not using shadow RAM will works fine.

    wilco2009 wilco2009 December 2014 Hardware
  • Acorn A7000+ on EbayNot so much Spectrum related, but it clearly shows that I will/have to focus my hobby more on Sinclair and MGT. An auction will start on Ebay tonig…

    ... , CD-ROM, Floppy, 128 MB RAM Upgrade, Ethernet addon etc.

    schombi schombi March 2015 Sales
  • ZX Spectrum issue 2 has only blue tintsRecently I've bought a 16k speccy and ran into some issues with it. Faulty keyboard, broken caps, no stable frequency, faulty lower RAM chip, it bein…

    ... , no stable frequency, faulty lower RAM chip, it being 16k, the ... modern solution and modern 32k ram upgrade installed.

    Now I ...
    Relo999 Relo999 August 2015 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…

    I noticed this upgrade PCB on ebay for upgrading ... -Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PCB-UK-SELLER-/322422778271 ... it looks like just a RAM upgrade? No AY and I can ...
    RobeeeJay RobeeeJay February 2017 Hardware
  • Early Speccy Memories ThreadHiya. Right Ok. I want to start a thread going here and I want to know all about your early days with speccys. I am 31 now. I got involved with spec…

    ... year that I needed a RAM upgrade. I still remember the name ...
    Gwyn Gwyn July 2004 Games
  • Suggestion for Jon NeedleHi Jon I was wondering if, in the next version of Spectaculator you could add emulation for the Mirage Microdriver. I remember using this piece of h…

    [QUOTE=chop983;180008]And 32k ram-pack support when in 16k mode[/QUOTE]

    I'd rather see support for the internal 48K RAM upgrade for the 16K.
    Fred Fred April 2007 Emulators
  • Suggestion for Jon NeedleHi Jon I was wondering if, in the next version of Spectaculator you could add emulation for the Mirage Microdriver. I remember using this piece of h…

    [QUOTE=Fred;180054]I'd rather see support for the internal 48K RAM upgrade for the 16K.[/QUOTE]

    Is there a difference?
    Lloyd Lloyd April 2007 Emulators
  • ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…

    ... were several commercially available 64k RAM packs for the zx81, but ... at least 2 internal 64k RAM upgrades published in magazines, though ... some restriction on how the RAM can be used. It's ... up the video circuitry. Later ram upgrade models were also modified to ...
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Hardware
  • Whatever happened to the Mikro Plus?Anyone know what became of this? [url]http://www.worldofspectrum.org/showmag.cgi?mag=Crash/Issue19/Pages/Crash1900020.jpg[/url] It was supposed to …

    ... of made a small unofficial RAM upgrade pointless.

    [QUOTE=dekh ...
    neoncherry neoncherry May 2007 Hardware
  • One game which made you change computersWas there any game (or games) that made you think 'thats it, the times up with the Speccy, time to move on' and get an Amiga or ST back in the late 8…

    ... machine. I bought a 256kb RAM upgrade for it, and started copying ...
    Dunny Dunny February 2008 Games
  • Can someone identify thisSorry if it's something extremely obvious but this is the first time I've had my hands on a Spectrum in about 20 years (thanks eBay) and although som…

    The 32K RAM upgrade?
    After a afternoons googleing and reading on here I'm starting to realise just how much I've forgotten :-)
    LowFatCustard LowFatCustard October 2010 Hardware
  • Can someone identify thisSorry if it's something extremely obvious but this is the first time I've had my hands on a Spectrum in about 20 years (thanks eBay) and although som…

    ... />
    [QUOTE=LowFatCustard]The 32K RAM upgrade?[/QUOTE]
    Besides the extra ... RAM (2x4 chips in the middle), ... 2 had 16 or 48K RAM.

    Anyway: I don ...
    RetroTechie RetroTechie October 2010 Hardware
  • whoo hooI bought an Atari 520STFM on ebay from a guy i know for ?26 this week is going to be awesome. Its just a pitty that this week my electric is being cu…

    ... my st 1040 , with 4mb ram upgrade... gasterner(?) in edmunton done it ...
    fog fog October 2011 Chit chat
  • last game you boughtwhat was the last game you bought for your spectrum befor you changed computers

    ... ...later upgraded it to 4Mb RAM with a 50Mb Gasteiner hard ... got the ST but the RAM upgrade and the hard drive died ...
    absinthe_boy absinthe_boy October 2011 Games
  • Sam CoupeI know it's an extremely long shot but is anyone looking to part with their beloved Sam Coupe as I've got a loving home waiting for one.... Would pr…

    ... fantastically and made a 256mb ram upgrade and got someone to flash ...
    nuggetreggae nuggetreggae February 2012 Wanted
  • 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…

    Thanks for all the great info on that RAM upgrade.

    Can anyone answer my original question about 4164s though ? ;-)
    spookt spookt July 2012 Hardware
  • Some stupid 16K questions...Starting with... 1. Should a 16K Spectrum that's been upgraded to 48K behave [I]exactly[/I] like a 48K Spectrum? i.e. should the machine test/clear…

    Issue 2 and Issue 3 had sockets for RAM upgrade, don't remember now about issue 1.
    ZX ROM tests all 48k memory at start-up, so PRINT PEEK 23733 should give 255
    for 48k.
    kpuchatek kpuchatek December 2012 Hardware
  • Issue 2 black paper white borderGot an issue 2 here that has a 6c001e ULA, no cockroach, no transistor mod (although you can clearly see on the top of the z80 and on some legs, some…

    ... />
    My advice: remove the RAM upgrade, get you multimeter out and ... other option is that the RAM upgrade is not making good contact ...
    1024MAK 1024MAK July 2013 Hardware
  • Migrating OS to SSDIve been thinking of getting a 120g SSD drive for my pc and migrating the OS (Win7 64bit) to it and just having the OS on it, nothing else (Got 1.5TB…

    ... also looking to a full ram upgrade, 16g ddr3 2000, its already ...
    Macc Macc July 2013 Chit chat
  • Replacement Spectrum +3 RAM ChipsHi all Bought a +3 last week with a RAM issue, so I have removed the old chips, added sockets and now just need a full set of chips to get her back…

    You should be able to use [URL="http://www.ebay.co.uk/itm/NEW-Commodore-64-128-128D-Video-RAM-Upgrade-ICs-64kx4-4464-12-/130978408749?pt=UK_VideoGames_VideoGameAccessories_VideoGameAccessories_JN&hash=item1e7eebe92d"]these[/URL] as a sub.
    cmonkey cmonkey September 2013 Hardware
  • Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…

    ... , I would say a 64k RAM expansion, with the top 32k ... be just a unusual 32k RAM upgrade...

    [I][B]Mark ...
    1024MAK 1024MAK October 2013 Hardware
  • Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…

    ... is a 80K ram upgrade doubling the upper 32k ram bank. Someone mentioned ... interface checks whether the 80k ram module is installed.." If yes ... copied to the extra 32k ram and printed from there. Therefore ... use of this ram module. I build a similar upgrade in the ...
    maskenlos maskenlos October 2013 Hardware
<1234567…34>

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Related Threads

  • RAM Upgrade for ZX Spectrum?Check out this [url=http://cgi.ebay.co.uk/ZX-SPECTRUM-ZX-PANDA-16K-EXPANDABLE-RAM-PACK_W0QQitemZ290193305868QQihZ019QQcategoryZ50223QQrdZ1QQssPageNam…
  • Another badly behaved RAM upgradeI have a 48K issue 4A board (yellow it is) that was a 48K machine from new, but only reports 16K working with the Sinclair ZX Test ROM in an Int2.<br…
  • zx81 internal ram upgrade?just curious if others have?<br /> <br /> I mean can you just rip the memory out of the ram-pack and use that.. as I'd rather just have the unit upgr…
  • Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code:<br /> <br /> [CODE]<br /> ;; ram-check<br /> L11DA: LD H,D ; Transfer the top value to the HL registe…
  • ZX81 internal RAM upgrade?It's only a matter of time before I kill my ZX81 due to this slack ram pack :(<br /> <br /> Is there a tutorial available that will allow me to upgra…
  • 80K RAM UpgradeAn 80K RAM upgrade has been listed on sellmyretro.com (not by me). <br /> <br /> It is based on the one originally designed by Sandy Electronics and…
  • Spectrum Ram UpgradeHi,<br /> <br /> I am looking to upgrade my 16K Spectrum to 48K.<br /> <br /> I have some 41256 dram chips from an old QL memory expansion, can t…
  • How do I know the RAM size?Just left my parents after cleaning out my pile of old stuff in their basement.<br /> Know what I found? My old ZX Spectrum.... Those were the days!<…
  • Boxed Multiface One and Spectrum+ Upgrade KitBoxed Multiface One:<br /> <br /> Still in original box with full instructions (just the way you would have bought it). I won?t go into what this lit…
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