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<1…13141516171819…34>
  • Lower & upper ram IC's for an issue 3 please.Would any of you great folks have 1 spare lower ram, and 1 spare upper ram IC's you would be willing to sell. I'm fixing up a poorly Spectrum that is…

    ... 1 spare lower ram, and 1 spare upper ram IC's you ...
    Your Spec-chum Your Spec-chum September 2017 Wanted
  • Replacing lower RAM 4116 ZX Spectrum 48k - desoldering advice please?A long post, but interesting pictures perhaps. :) I'd like some advice: (also apologies I think I picked the wrong 'Hardware' category for this, plea…

    ... seemed to indicate a lower RAM issue. It hadn't been ...
    Kamineko Kamineko September 2017 Hardware
  • Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…

    ... Cray-5, which has a turbo loader similar to one of ... problem with one of its RAM chips (and has had that ... I'd assume the entire RAM is stuffed full of data ... . Of course, if the RAM *is* dodgy, maybe I just ...
    The Mighty Dopethrone The Mighty Dopethrone October 2017 Hardware
  • 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…

    ... getting hold of a 16K RAM pack. Now, even back in ... of the existence of other RAM packs that weren't the ... (at least try to) eliminate RAM pack wobble, but then there ... time it had a working RAM pack I was [i]five ...
    The Mighty Dopethrone The Mighty Dopethrone November 2017 Hardware
  • ZEsarUX 6.0 stableHi! ZEsarUX 6.0 stable is out! This is a major version, it includes some new machines and a lot of new features and bug fixes :) You can downlo…

    ... for esxdos, 2 MB RAM, new 8kb block MMU, ... , for example: full 128kb ram, 64kb rom of +2A, ... divmmc ram, etc
    Added ...

    Fixed turbo mode and breakpoints. Breakpoints were ... disabled when changing turbo mode
    Fixed latency ...
    chernandezba chernandezba November 2017 Emulators
  • Tape Turbo loadersI wonder what was fastest turbo loader used back in 80. And what was fastest turbo loader reliable with common tapes? Btw. I remember a web page…

    I wonder what was fastest turbo loader used back in 80.
    And what was fastest turbo loader reliable with common tapes?
    Btw. I remember a web page discussing timing of various turbo loaders but cannot find it anymore, maybe someone knows?
    catmeows catmeows December 2017 Development
  • MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable!Direclty from my personal Sinclair collection that never end... ...MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable…

    Direclty from my personal Sinclair collection that never end...

    ...MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable!

    https://www.ebay.co.uk/itm/173022113295

    Have a nice bid ;)
    ranma_simon ranma_simon December 2017 Sales
  • Testing ram memory of DivIDE / DivMMCHere is new utility for testing DivXXX ram memory: [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/sof…

    Here is new utility for testing DivXXX ram memory:
    [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/software/divramka.zip[/url]
    velesoft velesoft December 2017 Hardware
  • sam coupe with external 1mb ramvelesofts site has snaper disks: https://velesoft.speccy.cz/sam_zx128.htm when you use masterdos to detect the external 1mb of ram interface th…

    ... detect the external 1mb of ram interface then the snaper emulator ... lets you select the fast ram and the zx spectrum game ... uses this ram above 32768 this gives you ...
    rogerjowett1 rogerjowett1 June 2018 New game ideas
  • Sinclair 16k Ram pAck Issue3 schematicsHi guys, I am willing to repair a 16k ram pack for the ZX81 but I cannot find any schematic of the ISSUE 3 ram pack. I could only find a schematic…

    ... willing to repair a 16k ram pack for the ZX81 but ... schematic of the ISSUE 3 ram pack. I could only find ... and replace them with 8118 ram which requires only +5V. Problem ... desoldering one of the 4116 ram, I lifted the tiny little ...
    repetto74 repetto74 March 2019 Hardware
  • A next Spectrum ROM with Turbo and MonitorI made a copy of a secondary ROM file that was used in my Didaktik Gama (Czech Spectrum clone with original ULA) but it was probably made for 48k Spe…

    ... (c)RaK 48 TURBO [i]"1991 Sinclair Spectrum Turbo"[/i] that can ...
    pavel_krivanek pavel_krivanek July 2019 MIA/STP/SDP
  • 48K Issue 2 RAM issuesI have 48K issue 2 board (I've checked, the upper memory is present!). It's not very well. I've not attempted to diagnose one before, so please bear …

    ... are only in the upper RAM as it will actually boot ...
    kurbeco kurbeco August 2019 Hardware
  • ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…

    ... emulation
    Added 1024 KB RAM emulation for Spectrum & Pentagon ... bug on zxuno changing video ram 5/7 when paging was ... error when paging rom in ram, on case pages 0,1 ... fast boot mode
    -added turbo mode x8 (28 MHz)
    chernandezba chernandezba February 2020 Emulators
  • The Complete List Of The Causes Of Lower Ram Failure?Well the aim is to get a comprehensive list.I ask this because I know very little about it . I know that failure of "power supply" related capacitors…

    Well the aim is to get a comprehensive list.I ask this because I know very little about it . I know that failure of "power supply" related capacitors can do this . But I suspect there are loads of other ways to damage lower RAM ICs? Any ideas?
    harriusherbartio harriusherbartio March 2020 Hardware
  • upper ram tacks / TR4 socket...[url="https://photos.app.goo.gl/MkqzRCuNCV3EPr9E7"]https://photos.app.goo.gl/MkqzRCuNCV3EPr9E7[/url] you can only replace that pesky TR4 so many t…

    ... would just fry the lower ram again .. this is one board ... like somebody attacked the upper ram with a black and decker ... sugestions for replacing the upper ram tracks ?
    mark8bit mark8bit September 2020 Hardware
  • zx spectrum display corruption .. with lower ram module installed[img]https://photos.app.goo.gl/Gu6rjC5v21sZxwTX9[/img] [img]https://photos.app.goo.gl/FznVw8SkbbhWn5mh7[/img] another specie question : i have …

    ... video corruption, it has lower ram module fitted.. can get it ... it shows lower ram as good and upper ram not detected although ... start digging at the upper ram, or the 4 logic chips ... that drive the upper ram.. i am presuming that one ...
    mark8bit mark8bit January 2021 Hardware
  • Killed Until Dead - Spectrum 128K versionI first got hold of this game about the same time as the film "Clue" started being shown on TV, and there was a "Miss Marple" series on TV, followed …

    ... screen into $8000, a turbo loader high in memory and ... main game is turbo-loaded in RAM immediately above this
    RAM.
    6. The five ... moved out to another RAM bank on the 128K ... same time as another RAM bank. The solution was ...
    Ritchie333 Ritchie333 August 2021 Assembler
  • ZEsarUX 10.0ZEsarUX 10.0 is out! Download it from : https://github.com/chernandezba/zesarux/releases/tag/10.0 Changes: Version 10.0 - Clive Sinclair edi…

    ... features: Automatic Snapshots to RAM + Rewind feature, backwards ... /> Added Automatic Snapshots to RAM + Rewind feature
    ... snapshot-inram-load: Loads the RAM snapshot from position
    ... Improved Next emulation:
    -Turbo setting: make it by default ...
    chernandezba chernandezba October 2021 Emulators
  • Paging for 64Kb of Video Ram??? What is the best way to page this?Hi all, I'm just putting together a concept card for a "Loki" style of video card, which supports shadow ( so it fits a normal Speccy ) and also t…

    ... single 48K video page with RAM relocated to the ROM space ...
    cj7hawk cj7hawk October 2021 Hardware
  • New (latest) Version of #CSpect: SpecNext Emulator for Windows, Linux and OSX by Mike DaillyNew latest Version of #CSpect: SpecNext Emulator for Windows, Linux and OSX by Mike Dailly V2.15.2 As seen on Facebook yesterday: [quote]Mike D…

    ... " machine to have a full RAM machine, you will now need ...
    F6 now cycles through turbo speed settings
    F5 Now ...
    Luzie Luzie March 2022 Emulators
  • Built a ZX Spectrum that works, but can't get the upper RAM to work?Like the title says I finished my Spectrum 3B board, and it boots, but it doesn't see the upper 32k of RAM. When it boots, the lower 16k works f…

    ... see the upper 32k of RAM.

    When it boots ... programs and even run a RAM diagnostic. Basically, tells me that ... all the associated logic, and RAM chips, with no effect. I ... direct connections between the upper RAM and associated logic, and I ...
    DistantStar001 DistantStar001 June 2022 Hardware
  • Favourite turbo loaders?Hey, guys. Title says it all. Which were your favourite turbo loaders/fast loaders/protection schemes, whatever you want to call them? I have a so…

    ... all. Which were your favourite turbo loaders/fast loaders/protection schemes ...
    Swevicus Swevicus September 2022 Games
  • Max RAM for ZX Spectrum gamesHow much RAM can be used for single level/whole game? On tape writing.

    How much RAM can be used for single level/whole game?
    On tape writing.
    Tymo6666 Tymo6666 October 2022 Development
  • Spectrum modficationsThere is a post about Outrun on the games forum, which makes the fair point that the game is playable when you double the speed on an emulator. Other…

    ... (21 Mhz) and Scorpion 256+ Turbo (3.5-7 Mhz). A ... , but you need then faster RAM chips. That?s about my ...
    LCD LCD March 2003 Sinclair Miscellaneous
  • Distribution of the Spectrum in Europe.Ok, so we've noticed the lack of French posters (there might be readers we don't know about) here at WoS. We have people from UK of course, from Irel…

    ... is a Pentagon 512 Turbo, with 512Kb RAM, two floppy disk drives ...
    Amigo Amigo April 2003 Sinclair Miscellaneous
  • What hardware Sinclair and not related has everybody got?Just had to try to list all my clutter in the attic and my dads garage (this has got a bit out of hand), anybody else got as much Retro as this (boug…

    ZX81 x2 with x2 16 ram packs
    ZX spectrum 48k< ...
    1541? Disk Drive
    Turbo Load cart

    Mattel ...
    beanz beanz August 2004 Sinclair Miscellaneous
  • What hardware Sinclair and not related has everybody got?Just had to try to list all my clutter in the attic and my dads garage (this has got a bit out of hand), anybody else got as much Retro as this (boug…

    ... Entertainment System "Street Fighter II Turbo Pack" Boxed No Street Fighter ... Game
    Vixen Switchable 16k Ram for Vic 20 Boxed
    ADJB ADJB September 2004 Sinclair Miscellaneous
  • Make your games run faster - HalfLife 2, etc.I was always a bit disapointed that my XP3000+ and Radeon 9600pro couldn't run Deus Ex2 that well. That's until I saw this tip in a magazine. (apol…

    ... 486DX2 66 with 16meg of ram and a 1mb ISA Graphic ... (let`s say an ATI Turbo Graphics) and it`s now ... a P166MMX with 32meg of ram and the ATI card. Exchange ... an 8mb ATI Rage Pro Turbo won`t even run the ... fast processors, high amounts of ram and a graphic card that ...
    MatGubbins MatGubbins December 2004 Sinclair Miscellaneous
<1…13141516171819…34>

Latest Posts

  • 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
  • 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
  • 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

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ram 12.6K 21.4K
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