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<1…12131415161718…34>
  • one laptop per child projectI was looking at this mainly as a result of a word war between intel and others. I had heard about the project of course but this time decided to ha…

    ... spec, (cpu 400, 256mb of ram and 1gb flash storage amongst ...
    Toxitalk Toxitalk May 2007 Hardware
  • Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…

    ... access and check Spectrum's RAM from Galaksija.

    RAM in sync with the ... CAS/RAS signals to these RAM chips.

    ... it from accessing the video RAM) without affecting the part ... the lower 16KB of RAM? What happens if you ...
    Avian Avian May 2007 Hardware
  • Boxed Z88 for saleAny interest in a boxed Z88 with the manual "Z88 Computing" by Ian Sinclair? It's got a 128K RAM cartidge and a 32K EPROM cartridge installed, but I…

    Any interest in a boxed Z88 with the manual "Z88 Computing" by Ian Sinclair?

    It's got a 128K RAM cartidge and a 32K EPROM cartridge installed, but I'll throw in some others as well.
    alchresearch alchresearch June 2007 Sales
  • 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…

    ... be able to up the ram - amyone know options on top ... of their head for max ram upgrade for the wee beasty ...
    Toxitalk Toxitalk June 2007 Sinclair Miscellaneous
  • New zx spectrum user (yes yawn)Sorry about this folks, bit of an uninteresting thread here, anyway firstly apologies if tis is in the wrong place, bu misc seemed about right. Anywa…

    ... the difference is it just RAM?

    2. Do I ...
    IDontKnowWhatImDoing IDontKnowWhatImDoing June 2007 Sinclair Miscellaneous
  • Ubuntu, Ubuntu they drink it in the JungleIts my usual getting bored with having the same os for 6 months syndrome. At the moment my pc works rather spiffing. Its just a bog standard lappy w…

    ... xp sp2 and 768mb of ram, onboard snail rate grfx.
    Toxitalk Toxitalk June 2007 Chit chat
  • After Clive - why did computing go backwards?Just a thought on from another thread a couple days ago. 25+ years ago Clive made a tiny computer which fitted in your pocket (ok it had to be a lar…

    ... hard drive, gfx card and ram)

    If instead of ...
    Toxitalk Toxitalk June 2007 Chit chat
  • New Spectrum HardwareHi all. Well its Friday so it seems as good a time as any (business is a bit slack at the moment) to start up a thread about creating new Spectrum ha…

    ...
    Z80 processor
    256k RAM (at least)
    ZX BASIC ...
    nickc nickc June 2007 Hardware
  • Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…

    ... MEMRQ +----+--/\/\/\/---+------>ULA, top 32K RAM
    | | |
    | |
    v v ...
    Jonathan Harston Jonathan Harston June 2007 Hardware
  • Compressors are available for Speccys ?Hi folks, although I was an wasn't strictly a speccy coder in the glory days (amstrad & amiga for the most part), I have secides to arse about with …

    ... seems to corrupt sectins or ram)
    megalz (which I will ...
    Kilby Kilby July 2007 Development
  • Windows Vista vs XP and a question on upgrade...My computer: AMD Athlon XP 3200+ 1.5 gig RAM Nvidia 7600GT 1) Would this be ok for Vista? 2) Could I upgrade to Vista from XP? As I dont want to …

    ... 3200+
    1.5 gig RAM
    Nvidia 7600GT

    HonoredShadow HonoredShadow July 2007 Chit chat
  • Spectrum 128K - Needs Your HelpI have a Spectrum 128K (with the external heatsink on the RHS) it is a 1985 Version 6K mainboard, I got it out of the loft the other day and it wont …

    ... has 16 NEC D1164C-15 RAM chips (soldered) and the ULA ...
    Rampack Rampack July 2007 Hardware
  • Spectrum Diagnosis: Purple is not my colour!Hi, I thought the self-fault-finding amongst you might appreciate my learning experience this afternoon in fixing my home-made speccy 48K. Yesterda…

    ... . ULA board... again clean. RAM board.. seems fine. At this ... power coupling wires on the RAM board. And lo, (C) ... of very subtley hit the RAM board. The GND coupling ... on one of the RAM chip pins on the ... , try the inspecting the RAM pins for short circuits.
    Phu Phu July 2007 Hardware
  • +2B problem stillHi all, I have a spare +2B that still dont work. Richard kindly sent me 4 x 4464 ram chips but the +2B still dont work I have swapped over both ROM`s…

    ... sent me 4 x 4464 ram chips but the +2B still ... are slightly warm, all 4 RAM chips are cool.

    all RAM chips are on sockets so ... .
    I thought that the RAM chips was the problem but ...
    swift240 swift240 July 2007 Hardware
  • Latest operating system for Z88 is releasedWe are proud to tell everyone that the beta version of latest operating system (OZ) for the Z88 is available on sourceforge. Update is really easy a…

    ... and more than 256K of RAM.
    All information are on ...
    elpekos elpekos July 2007 Sinclair Miscellaneous
  • EMUZWIN assembler questionNot sure if Vladimir still frequents the forums but maybe someone else knows the answer to this. Using EMUZWIN's assembler it should be possible to …

    ... possible to assemble to any RAM page. What is the correct ... help file that you specify RAM n in the ORG directive ... like this:

    ORG RAM 7, 60000

    is ...
    dmsmith dmsmith August 2007 Emulators
  • Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …

    ... code, especially if the whole ram contents were saved. I also ... games use all the available ram and overwrite the system variables ...
    zxbruno zxbruno August 2007 Sinclair Basic
  • Unbelievable...This ebay is for some laptops described as "used". Look at them... The URL is: [URL]http://cgi.ebay.com/lot-of-4-IBM-thinkpad-t21-t22-lenovo-part…

    ... ]
    [*][B][COLOR=red]no ram [/COLOR][/B]
    [*][B][COLOR ...
    ewgf ewgf August 2007 Chit chat
  • Question on Z80 R/W cycles.Snipped from the complete spectrum ROM disassembly: [CODE] Now the memory is checked. 11DA RAM-CHECK LD H,D Transfer the value…

    ... , NEW =
    RAMTOP).
    11DC RAM-FILL LD (HL),+02 Enter ... it
    fails.
    11EF RAM-DONE DEC HL HL points ...
    wilsonsamm wilsonsamm August 2007 Sinclair Miscellaneous
  • Three feet later...Three feet of solder wick later, that is, after clearing the holes where the 4532 (upper 32K) memory was on the issue 4B board I've finally got aroun…

    ... two minutes to get eight RAM chips out with the hot ...
    Winston Winston August 2007 Hardware
  • PC Power supply for SpeccyHi all, after 13 years with out playing spectrum games I am eager to play the old games. Thus I got up to the garret checking my old stuff. Two of m…

    ... and +12V direct to the RAM. The speccy boots and I ... -5V and +12 to the ram. The queastion is know are ...
    maskenlos maskenlos August 2007 Hardware
  • What I hate about computers and/or video gamingYesterday I spent approximately four months (subjecively that is, objectively it was around two to three hours) fixing my mate's PC. I won't bore you…

    ... XBox only having 64MB of RAM (which is shared between the ... program and the video RAM). The game authors did wonders ... with this tiny amount of RAM, but more would have been ...
    ewgf ewgf August 2007 Chit chat
  • What Shop Did Spectrum come fromWhat shop was your spectrum purchased at? I my mum got ours for Christmas 1983 from W.H.Smith in Oxford. The guy in the shop asked my Mum if she wa…

    ... she wanted the Rom or Ram version. I think what he ...
    Scottie_uk Scottie_uk September 2007 Sinclair Miscellaneous
  • 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…

    ... in peoples experiments with modern ram chips (any expertise to share ... killer of spectrums (ULA and ram I presume..). what causes the ... fluctuate and therefore killing the ram that's the problem? or ...
    guesser guesser September 2007 Hardware
  • Reading digitized data from the DivIDE......MB02 or any other IDE interface with cf, cd, sd or an hd connected to it. What would be the best route? I don't know if there's a size limit for …

    ... . Instead of being limited by ram, the player would load data ...
    zxbruno zxbruno September 2007 Development
  • IDE-media only Spectrum games?A similar discussion is taking place at Speccy.org's forums, but I thought it was worth to start the topic here. Now that we have several IDE interfa…

    ... as a gateway to virtual ram, and as the end of ...
    zxbruno zxbruno September 2007 Development
  • PC power source and Spectrums.I'm planning to use a basic PC ATX power source (300W) for all my sinclair equipment, but I have two questions: - I've read about some nasty things …

    ... . I remember something about a RAM chip failure destroying internal power ...
    Zup Zup September 2007 Hardware
  • Broken SpectrumsChaps ( & Mrs Death ), I was looking at getting some dynamic ram chips for the next phase of the Harlequin stuff, and I started thinking...... I've…

    ... looking at getting some dynamic ram chips for the next phase ... /> If there are enough 32K ram chips left over, then that ...
    csmith csmith October 2007 Hardware
  • Backup QuestionWhile I was in Malta just I had to repair my mates computer. Completely stuffed windows, hangs during boot. Only thing I can do is reinstall window…

    ... AMD 3.2 Athlon, 2gig Ram, 200gig HD space
    Start ...
    ADJB ADJB October 2007 Chit chat
<1…12131415161718…34>

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