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Search Again :: Adv Search 1000 results in 0.029s
<1234567…34>
  • Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…

    ... modification I made to the board since making the first one ... transfer method of fabbing the board at home - with the caveat ... the latest release of this board).

    The link:
    Spectrum-Diag[/url]

    Have ...
    Winston Winston April 2007 Hardware
  • winston's diagnostics boardHi Winston, I've recently built your diagnostics board on project board and am having huge problems getting it running. I've been pulling my hair ou…

    ... 've recently built your diagnostics board on project board and am having huge ... pinout. without romcs connected, the board does what it should, with ...
    nuggetreggae nuggetreggae November 2009 Hardware
  • winston's diagnostics boardHi there Mr Winston I don't know if you remember I posted about your diagnostics board earlier and how i used a 7404 instead of the 2 mosfets, well I…

    ... remember I posted about your diagnostics board earlier and how i used ... , a new bit of project board and rebuilt based on your ... and logic to the project board in the next couple days ... to ask, is getting this board to work with the +2a ...
    nuggetreggae nuggetreggae December 2009 Hardware
  • Spectrum monopoly boardSifting through the scraps recently of ZXF #12, which never got past the first few pages, I came across a Spectrum monopoly board I'd started designi…

    ... , I came across a Spectrum monopoly board I'd started designing for ...
    woodcock88 woodcock88 June 2012 Sinclair Miscellaneous
  • Anybody fancy coding this?blah de blah de blah Please ignore, poting error.

    ... on topic, while making my Spectrum Diagnostics board, I've run into three ... thing to be remembered is Spectrum memory (on a 48K machine ...
    Winston Winston April 2007 Development
  • Panama JoeToday [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003591"]Panama Joe[/URL] sits at number 91 in the all time best list on WoS, just ahead…

    I played it because it had an Interface 2 ROM version, which I loaded into the Spectrum Diagnostics board (spare 16k pages in the flash ROM can be used for anything).
    Winston Winston March 2008 Games
  • I am looking: Molex connectors Spectrum+2 (board-> ribbon membrane)[B][SIZE="3"]Hi guys! I need a molex connector that connects the plate with the membrane keyboard for a spectrum +2 like this: [/SIZE][/B] [IMG]http:…

    ... the membrane keyboard for a spectrum +2 like this:
    [/SIZE ... also interest me a broken board to get parts from there ...
    hispacoder hispacoder November 2011 Wanted
  • ZX Spectrum Issue 4S composite video fuzzy (horizontal blur)Dear people of WoS, Thank you very much for taking the time to read. I have an Issue 4S I recently acquired and planned to fix up as a gift for a…

    ... the pixel origin).
    The Spectrum is otherwise functional.
    ... with Brendan Alford's "ZX Spectrum Diagnostics"
    Exchange all electrolytic ... residing solder splatter (this board has double sided mask) ... at with it… a Spectrum I know that's trying ...
    handsfelloff handsfelloff January 2018 Hardware
  • Winston's 25th anniversary Diagnostics BoardBack then, I created the board, but still wanted to build a new one based on a professional PCB, which are more affordable these days. There was some…

    Back then, I created the board, but still wanted to build ... ="https://github.com/brendanalford/zx-diagnostics/tree/master/hardware"]this repository ...
    georgedb georgedb January 2019 Hardware
  • It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …

    ... Spectrum peripheral.

    It's a ROM and diagnostics board ... board. Featuring a 128K to 512K flash ROM (which the Spectrum ... boot off either the Spectrum's ROM or the ... test (the Issue 4S board it's connected to ... won't kill a working Spectrum (after all, I ...
    Winston Winston April 2007 Hardware
  • Hardware GuideI was thinking this might make a good sticky... [b]Service Manuals[/b] [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K…

    ... "]48kServiceManual[/URL] -WOS (World of Spectrum) worldofspectrum.org
    [URL="ftp ... ://www.aticatac.altervista.org/"]A Spectrum Clone![/URL] -'Chrome' An ... .alioth.net/Projects/Spectrum-Diag/"]Spectrum Flash ROM and Diagnostics Board[/URL] -by Winston ...
    thomas3120 thomas3120 May 2007 Hardware
  • Fate of the Spectrum drawing board?Dear All, I thought you might be interested, or even relieved to hear that the Science Museum has agreed today to take the drawing board as a permane…

    ... today to take the drawing board as a permanent aquisition. I ... managed to get the board back (so to speak - long ...
    rickdickinson rickdickinson May 2007 Chit chat
  • Thinking ahead...Just mulling something over for the Project After The Spectranet (which seems to have become never-ending...) Would anyone (except for me, naturally…

    ... like this useful - "The Advanced Diagnostics Board"?

    What I'm ... a program other than the Spectrum ROM (for example, a memory ...
    Winston Winston June 2009 Hardware
  • FLASH EPROM programming on ZXExist any other software for rewriting FLASH EPROM or EEPROM chips on real ZX ? I know only: EEPROM flasher for original DivIDE [url]http://85.132.…

    ... ROM-diagnostics board
    [url]http://www.alioth.net/Projects/Spectrum-Diag/[/url ...
    velesoft velesoft July 2009 Hardware
  • spectrum cloneI was wondering if it would be a fairly straightforward job making a clone of the spectrum? Could someone get a spectrum circuit board made complete…

    ... /> Could someone get a spectrum circuit board made complete with modern chips ... the same size as the spectrum so u could use the ... soriginal spectrum case and keyboard and enjoy ... 110% just like a real spectrum and so do away with ...
    naz2000007 naz2000007 July 2009 Hardware
  • Issue 1 ZX Spectrum 48K boardI got a 48K Issue 1 board to repair for a friend. Didn't want keep this thrill to myself (click for magnification): [URL="http://benophetinternet.n…

    ... got a 48K Issue 1 board to repair for a friend ...
    bverstee bverstee February 2012 Hardware
  • 128K diagnostics boards for sale anyone?Greetings. I have this nice diagnostics board but it won't diagnose 128K faults, restricted only to 48K models. I've read in some other thread about…

    Greetings. I have this nice diagnostics board but it won't diagnose ...
    pkersey pkersey August 2012 Hardware
  • ZX Spectrum problemsHello Everybody, I am new here, and I need some help in my ZX repairs : - I have a ZX Spectrum 48k board (issue 2) which power up but remains stuck o…

    ... /> - I have a ZX Spectrum 48k board (issue 2) which power up ... /> - I have a Spectrum + (with an issue 4s board) which displays random ...
    haceZX haceZX November 2012 Hardware
  • Unique ZX Spectrum in miditower caseI'm finally offering this great and unique ZX Spectrum set. I built it into a miditower case, an AOpen QF50. The two buttons are for power and for r…

    ... this great and unique ZX Spectrum set.

    I built ... :
    1. A ZX Spectrum +2A board with these mods:
    - Composite ... channels from eachother on the board, forgot that when I added ...
    bverstee bverstee December 2012 Sales
  • ZX Spectrum 48K board Issue Two - spider modI have a working Spectrum 48K Issue Two for sale on Amibay. It?s an early version with an ULA 5C102E and the "spider-mod" fitted. [URL="http://www.a…

    I have a working Spectrum 48K Issue Two for sale on Amibay. It?s an early version with an ULA 5C102E and the "spider-mod" fitted.

    [URL="http://www.amibay.com/showthread.php?t=57438"]http://www.amibay.com/showthread.php?t=57438[/URL]
    schombi schombi February 2014 Sales
  • New version (v0.31) of ZX DiagnosticsHi all,<br><br>Just wanted to let people know that I've released a new version of the Spectrum Diagnostics into the wild.<br><br>These were originall…

    ... a new version of the Spectrum Diagnostics into the wild.

    diagnostics wiki in my signature.
    balford balford June 2015 Hardware
  • 48K spectrum built-in speaker - frequency response?Hello. I was wondering what would be the typical frequency response of the original speaker found on the spectrum's board... Could a replacemen…

    ... original speaker found on the spectrum's board...

    Could a ...
    Renegade Renegade July 2016 Hardware
  • ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …

    ... make an ideal TEST SPECTRUM PCB so rare chips ... make a good Spectrum Test Board and what need ... to be done/ learned about testing old Spectrum ... chips? I have a candidate board which ... . A well socketed board is probably a good ...
    harriusherbartio harriusherbartio April 2017 Hardware
  • ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…

    ... it's fine, connected the diagnostics board, and this makes no change ...
    patzik patzik October 2017 Hardware
  • 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…

    ... title says I finished my Spectrum 3B board, and it boots, but ... .6 volts on my Spectrum+ with a 6A board.

    Both ... the same as my working Spectrum+. Then again, I don't ... with "done", same as my Spectrum +


    Anyway this ...
    DistantStar001 DistantStar001 June 2022 Hardware
  • InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…

    ... a look at the Spectrum Diags board in my sig ... br /> But in summary, the Spectrum exposes a line called ROMCS ... Every memory chip in a Spectrum (both ROM and RAM) ... br />
    On the Spectrum's PCB, there is some ... the ROM, when the Spectrum reads from ROM, it ...
    Winston Winston May 2007 Emulators
  • Eprom blowerdoes anyone know a site with plans for an eprom programmer project that'll blow 27C256s. I attempted to build one called Kisseprom, but the software …

    ... 're wanting to make Spectrum ROMs, unless you have ... be plugged in where the Spectrum ROM went.

    ... be trivially programmed by a Spectrum - indeed, that's just ... images onto the diagnostics board :-)

    My diagnostics board also doubles as ...
    Winston Winston July 2007 Hardware
  • What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…

    ... for BBC BASIC for the Spectrum (but in BBC inline assembler ... a free slot in the diagnostics board I built for use on ...
    Winston Winston September 2007 Sinclair Basic
  • I/O on the Speccy - ideas/help wanted!I'd like an interface for the Spectrum that can control and monitor other items. I have a task in mind that would require: A: 4xbinary inputs (as in…

    ... most trouble especially if your board has an analogue side to ... /> If you look at my Spectrum diagnostics project, have a look at ... http://www.alioth.net/Projects/Spectrum-Diag/Spectrum-Diag-sch.png[/url ... you'll probably crash the Spectrum (or worse, cause CMOS ...
    Winston Winston July 2008 Hardware
  • R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…

    ... poor memory, I thought the Spectrum also generated -5V and +12V ... inductors on the board and is why the Spectrum hums. [/QUOTE]

    Winston's diagnostics board would soon tell if the ...
    DEATH DEATH February 2009 Hardware
<1234567…34>

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  • Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…
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