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<1234567…34>
  • I want to build a new, super spectrum ;-)only kidding Andrew :-) my brain's going at a mile a minute at the moment, so I thought I should put some of the ideas down in case one of them is w…

    ... interested in peoples experiments with modern ram chips (any expertise to share ... of ruggedness? presumably the modern chips are a lot less ... killer of spectrums (ULA and ram I presume..). what causes ... fluctuate and therefore killing the ram that's the problem? ...
    guesser guesser September 2007 Hardware
  • problem with sinclair zx 48 issue 6aHi all, I have the following problem when I turn on my sinclair without rom inserted. [url]http://217.79.64.145/sinclair/5.jpg[/url] when I turn o…

    ... basics, given you trust the RAM you have.

    First ... , check all RAM supplies are OK: The 4116 ... issue 6A clone has more modern RAM chips which only need +5 ...
    Marcelo Marcelo January 2007 Hardware
  • more Spectrum uploadsHI all, just to let you know I've added some more stuff, including a white spec +, more keyboard development sketches for Geoff, Alpha Numeric pad, …

    Interesting! I take it that this concept hasn't found its way into the modern RAM processing industry for whatever reasons? Probably b'cos the failure rate is much lower now I suppose...
    Arjun Arjun July 2007 Sinclair Miscellaneous
  • DRAM (:baffled:)Hi, Can someone explain to me the definitive rules on DRAM access times in terms of suitability for a particular speed of processor? Specifically, …

    In Spain they're already using more modern ram dimms instead of the old Spectrum ram chips. I don't remember if it was Jose Leandro who described how to do it, but I saw a thread (with pics) on speccy.org's forums.
    zxbruno zxbruno January 2008 Hardware
  • DRAM (:baffled:)Hi, Can someone explain to me the definitive rules on DRAM access times in terms of suitability for a particular speed of processor? Specifically, …

    ... they're already using more modern ram dimms instead of the old ... Spectrum ram chips. I don't remember ...
    Jose_Leandro Jose_Leandro January 2008 Hardware
  • Spectrum ULA replacement!Hi gang.. The Speccy 48 ULA Replacement is *almost* here ;) There has been lots of activity in building the CPLD board, sorting out some irritating…

    I might be interested. I have a spare spectrum board here that I'm looking to rebuild as a ruggedised version, with a low power consumption (use modern ram etc) and have a proper keyboard and screen
    guesser guesser April 2008 Hardware
  • Fully integrated ZX+Hi, I just want to show some inspiration for integration HW to ZX+ case ;-) - ZX48 issue 3 board, without all parts regarding video generating (pa…

    how is it powered? a regulated 5v supply?

    I'm assuming it has modern ram and I can see the power supply circuitry is all gone
    guesser guesser February 2011 Hardware
  • DivIDE CompatabilityThe Spectrum is 30 show proved a valuable event for investigating issues with Spectrums which do not work with the DivIDE.... The ones I sell are ma…

    ... to use more easily available modern ram chips, add a row of ...
    Tuna Tuna September 2012 Hardware
  • 16K/48K Lower RAM (4116) replacement.You may want to read [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37957"]this thread[/URL] for background information on the quest t…

    ... ?

    A brand new modern RAM pack that plugs in to ... a choice of just a RAM expansion, or the ZXpand, which ... /> Or an internal RAM upgrade? The internal RAM upgrade does require soldering ... . How much depends on what RAM chip(s) are fitted to ...
    1024MAK 1024MAK March 2014 Hardware
  • 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…

    ... ?

    A brand new modern RAM pack that plugs in to ... a choice of just a RAM expansion, or the ZXpand, which ... /> Or an internal RAM upgrade? The internal RAM upgrade does require soldering ... . How much depends on what RAM chip(s) are fitted to ...
    1024MAK 1024MAK March 2014 Hardware
  • Spectrum Use for ZX81 Pseudo Hi-ResHi Folks, I've been looking around at some of the "Hi-Res" stuff which was achieved on the ZX81 and I came across the faq https://www.landley.net/…

    ... go directly for hires.
    Modern RAM-pack like ZXPAND support hires ... users will have an altered RAM-pack.

    As for ...
    Dr BEEP Dr BEEP May 2017 Assembler
  • Third-party ZX81 RAM packsOne of the things that's previously held me back from fishing for a ZX81 on eBay - other than "will the ULA on this machine sold as 'untested' be com…

    ... now have three 16k Memotech RAM packs. They all work fine ... mind that most third party RAM packs use the nominal "9V ... card slot and 32k of modern RAM. Available from time to time ...
    1024MAK 1024MAK November 2017 Hardware
  • Modern mainboards with no floppy controllerA PC's mainboard floppy controller is very import for reading and writing Spectrum disks but these days mainboards no longer have one built in. On ot…

    ... show it's age - mainboard RAM is coming "loose" from heating ... anybody know a make of modern Core i3/5/7 main ...
    brownb2 brownb2 June 2011 Support files
  • Why no Sinclair if 2 support on modern hardware?Another wonder :) I appreciate that most games support Kemptson joystick so this joystick interface is used in modern hardware (Spectre/DivIDE et…

    ... joystick interface is used in modern hardware (Spectre/DivIDE etc), but ... allow the IF2 too? The RAM turbo joystick interface managed to ... a ROM cartridge and a RAM turbo interface (which is what ...
    Korinel Korinel March 2016 Hardware
  • Recommend: "modern" (1994-2017) games...No, that is not a typo in the thread. *Next* christmas (i.e. 25th December 2017) it will be 30 years to the day I opened a box containing a Spectr…

    ... excellent idea to rip the RAM pack off the back while ... was still switched on. That RAM pack never worked again. Even ... 've made YouTube videos about modern games (which I've watched ...
    The Mighty Dopethrone The Mighty Dopethrone November 2016 Games
  • Confounded modern thingsIt appears the server instability has left a gap in the forums listing so I'll post this again. Given a complete lack of anything on the projects pa…

    ... the projects page under the 'modern games to spectrum' what games ...
    cyborg cyborg December 2001 Games
  • How do I know the RAM size?Just left my parents after cleaning out my pile of old stuff in their basement. Know what I found? My old ZX Spectrum.... Those were the days! Never …

    ... ZX81, though.
    3K om RAM, my friends!
    My question ... I tell what size of RAM I've got in my ...
    David David February 2001 Sinclair Miscellaneous
  • Modern day anonymityI posted this message in a different topic earlier but it wasn't noticed apparently, so here it is again. While reading through the list of exception…

    ... realised something.

    The modern software development team (you know ... way, I don't hate modern PC/PS2/GameCube games. I ...
    Ian Hamilton Ian Hamilton May 2004 Sinclair Miscellaneous
  • Spectrums games vs. modern games; very interesting... I've read a number of replies (on Matt's tears thread) regarding spectrum and modern console games. I found it very interesting. I think the games …

    ... tears thread) regarding spectrum and modern console games. I found it ...
    Parky Parky August 2004 Games
  • HELP 4532 or 4864 RAM wanted !Hello My real spectrum fell off yesterday I know that one RAM memory chip is out of order There was 8 X HM4864P-2 but I saw in the Spectrum schemati…

    ...
    I know that one RAM memory chip is out of ... here to set 16K of RAM so 32K are enough to ...
    patrick delvenne patrick delvenne January 2005 Wanted
  • RAM Music MachineBoxed RAM Music Machine Sampler (for 48K, Plus, 128K, Plus two) includes the tape, microphone, manual, even original mic stand! I last got this wor…

    Boxed RAM Music Machine Sampler (for 48K, ...
    racingroom racingroom March 2005 Sales
  • Boxed 32k Ram packPicked one up a few weeks ago at a car boot sale with a boxed 16k Speccy. Is the ram pack worth anything? Not seen any on Ebay. Thanks in advance, G…

    Picked one up a few weeks ago at a car boot sale with a boxed 16k Speccy. Is the ram pack worth anything? Not seen any on Ebay.

    Thanks in advance, Gnorman
    Gnorman Gnorman June 2005 Sales
  • ZX-81 Ram Pack problemHi! I know this is a ZX Spectrum forum, but I am hoping someone here might be able to help me out... I have posted this to c.s.s. but noone was able…

    ... which is probably normal since ram
    test takes a ... original
    Sinclair ZX 16k ram pack issue 3 .
    ram pack :

    ... a posibility of faulty RAM somewhere on the lower ... />
    Also when no ram pack is present I can ...
    Tom-Cat Tom-Cat September 2005 Sinclair Miscellaneous
  • modern saboteurI found out recently they made a modern version of saboteur(in the 90's for pc) has any one tried it?(hear it was crapp...) I always dreamed with a …

    ... out recently they made a modern version of saboteur(in the ... /> I always dreamed with a modern version of saboteur! I know ... the perfect time for a modern conversion using the times technology ...
    VanTammen VanTammen October 2005 Games
  • Compo: write about any game (retro or modern) and you could win a prize...Okay, well, I'm involved with a retro'n'modern site called Catharton Electronica, and it has some Game List sections on the boards for each system w…

    ... involved with a retro'n'modern site called Catharton Electronica, and ...
    udgoverload udgoverload November 2005 Announcements
  • R Register, Contended RAM and ClonesHi. I've had a quick look at the CSS FAQ but didn't spot quite what I'm looking for (also the CSS FAQ doesn't have much detail of the clones - there …

    ... is the effect of contended RAM on the R-register? I ... run any code in contended RAM, but I do make several ... , but then without the contended RAM the HALT would take place ...
    icabod icabod July 2006 Development
  • RAM Test ROM?Found a link to this: [url]http://www.retroreview.com/iang/TestSpec4.zip[/url] in another thread, and fired it up in SPIN, but I have no clue how to…

    ... this to determine which physical RAM chip needs replacing, and/or ...
    trellis trellis September 2006 Hardware
  • Sothebys Modern Art saleI had a recent gander at the brochure for Sotheby's next modern art sale and this was one of the items up for grabs: [url]http://www.geocities.com/w…

    ... brochure for Sotheby's next modern art sale and this was ...
    BigBadMick BigBadMick September 2006 Chit chat
  • 256K RAM chips in Spectrum 128KSince I have lot of 256K RAM chips, and my 128K has RAM error, I think about replacing all 16 RAM (64K ones) chips with 256K chips. Then it would be …

    ... have lot of 256K RAM chips, and my 128K ... has RAM error, I think about ... replacing all 16 RAM (64K ones) chips with ... be 'Spectrum 512K' - something like RAM in Pentagon.

    ... bank switching of that extra RAM - we need 2 bits ...
    piters piters October 2006 Hardware
  • Modern equivalent of The Biz?Are there any modern games to do with managing a band, preferably tongue-in-cheek the way The Biz was? It's a great game although it could do with s…

    Are there any modern games to do with managing a band, preferably tongue-in-cheek the way The Biz was?

    It's a great game although it could do with slightly better balanced gameplay, and modern audio-visuals are always a nice extra.
    udgoverload udgoverload October 2006 Chit chat
<1234567…34>

Latest Posts

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  • Fixed Speccy Software. And which games remained unfixed?
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  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
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modern 8K 9.4K
ram 12.6K 21.4K

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  • 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…
  • Confounded modern things pt 2Copy and paste:<br /> <br /> [url]http://www.geocities.com/cyborg_jim[/url]<br /> <br /> Following on from the last topic I've now setup a retro proj…
  • Confounded modern thingsIt appears the server instability has left a gap in the forums listing so I'll post this again.<br /> <br /> Given a complete lack of anything on the…
  • 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!<…
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  • Spectrums games vs. modern games; very interesting...I've read a number of replies (on Matt's tears thread) regarding spectrum and modern console games. I found it very interesting.<br /> <br /> I think…
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