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<1234567…34>
  • RAM Diagnostic ROMhi all, i burn this ROM from here [url]http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm[/url] and i a…

    ... ,

    i burn this ROM from here

    [url ... /> and i am try to diagnostic a probably RAM fault on ...
    xaris_sm xaris_sm March 2013 Hardware
  • 404 for Retroleum's daignostic ROM: Request.[url]http://www.retroleum.co.uk/electronics-articles/a-diagnostic-rom-image-for-the-zx-spectrum/[/url] I'm getting access denied when I try to downl…

    ... .co.uk/electronics-articles/a-diagnostic-rom-image-for-the-zx-spectrum ... I try to download the Diagnostic ROM, I've just emailed the ...
    Korinel Korinel October 2014 Hardware
  • 48K Issue 3B ROM to EPROM methodsHi folks, While fixing up a completely dead Commodore PET I needed a way of testing the 4116 RAM chips that make up its 32K, some googling found a…

    ... EPROM containing the 48K ROM and a diagnostic ROM from Paul Farrow over ... 've found of doing the ROM - EPROM replacement, either the ... diags.

    Sanity check ROM burner (MQP Pinmaster 48) by ... reburn the 27c256 with stock ROM (previous attempt had been ...
    witchy witchy December 2015 Hardware
  • edge connector... breadboard / external romso i purchased a breadboard on a edge connector.. to experiment with .. my first task to make a external rom boot (32k eeprom) so i think i got every…

    ... task to make a external rom boot (32k eeprom) so ... to romcs to disable onboard rom : using a 74hc32n as ... rd to pin 20 of rom (to make sure they are ... a bank selector (the rom file was burn on both ... of the actual rom (which was a diagnostic rom).. so my thoughts ...
    mark8bit mark8bit October 2020 Hardware
  • Original diagnostic rom on eBayI know there are some who really want this: [url]http://www.ebay.co.uk/itm/281154980378[/url] Maybe that's the one that was sold last week.

    I know there are some who really want this:
    [url]http://www.ebay.co.uk/itm/281154980378[/url]

    Maybe that's the one that was sold last week.
    bverstee bverstee August 2013 Sales
  • Interfaces & ROMsHi everyone, I'm currently looking into the various modern interfaces for the Spectrum to allow me to run all my games from an SD card. I have a few…

    ... the interface, select a diagnostic ROM and then test the RAM ... 128 RAM TESTER
    [*]SPECTRUM ROM TESTER
    [/LIST]
    ... co.uk/electronics-articles/a-diagnostic-rom-image-for-the-zx- ... (16KB, 32KB, 64KB)/format (.bin, .rom)?
    [/LIST]

    ...
    Tekno Venus Tekno Venus August 2014 Hardware
  • Smokin... more 48k woesHi, it looks like I've converted another Spectrum 48K+ into a smoke machine. I'd been rebuilding an Opus Discovery unit and everything looked good. …

    ... /> I've booted with a diagnostic ROM and the memory is all ... NMI and floating bus. The ROM checksum is also good. The ...
    rune rune November 2014 Hardware
  • What are the chances?Hi all, I've picked up an issue 3B, fairly clean board, no mods, wasn't starting correctly so I tried Brendan's diagnostic ROM and got this: [i…

    ... so I tried Brendan's diagnostic ROM and got this:

    Jet5y Jet5y June 2016 Hardware
  • Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…

    ... up correctly, when using the diagnostic rom all lower ram ic's ... the cause. Swapped the ULA, Rom and z80, and these are ... , also putting a working ULA, Rom and z80 made no difference ...
    patzik patzik August 2016 Hardware
  • +3 memory repair- which ICHi there, I'm trying to repair an old +3 and have bought a Retroleum SMART card. The diagnostic rom test says that the upper ram is faulty and give…

    ... a Retroleum SMART card. The diagnostic rom test says that the upper ...
    harryinashed harryinashed June 2017 Hardware
  • Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…

    ... that point I ran the diagnostic rom via SMART card interface. It ...
    Your Spec-chum Your Spec-chum July 2018 Hardware
  • Another Spectrum is brought back to life.Hi Spec-chums. I have been having bit of busy afternoon with repairs today. I've brought back to life a Panasonic Super-VHS recorder, and more intere…

    ... Smartcard interface and running the diagnostic rom, revealed IC10 to be faulty ... ]

    I run the diagnostic rom on the Smartcard, and this ...
    Your Spec-chum Your Spec-chum August 2019 Hardware
  • doubt about swapping ULA in an issue 2 boardIs it possible to swap a 6C001E-6 ULA type with a 5C112E ? I have this issue 2 board that is not booting, it shows me a black border with horizont…

    ... CPU problem, or ULA.
    Diagnostic ROM doesn't work on this ...
    gleegum gleegum September 2020 Hardware
  • How about making a diagnostic program for 128k speccys?Hi guys, I was just chatting with DEATH today about a problem i had with my 128 heatsink spectrum and the need for a 128k speccy diagnostic program …

    ... ]Turn the computer on. The ROM has a built in test ... diagnostics -- there is an Amstrad diagnostic ROM that tests the rest of ...
    DEATH DEATH July 2007 Development
  • Testing 4116 and 4164 chipsI have a stash of old 4116 and 4164 chips and wondered how best to test them to see if they work. I don't have a working spectrum to plug them into …

    ... burner you can use my diagnostic ROM (it's on here somewhere ... at a time as the ROM runs entirely on the CPU ...
    Spirantho Spirantho February 2011 Hardware
  • Testing 4116 and 4164 chipsI have a stash of old 4116 and 4164 chips and wondered how best to test them to see if they work. I don't have a working spectrum to plug them into …

    [QUOTE=Spirantho;508931]If you have a multiface and an EPROM burner you can use my diagnostic ROM...[/QUOTE]
    That's what I do (sort of), but as I said, there's a risk of damaging the Spectrum (TR4) if I put a shorted 4116 chip.
    mcleod_ideafix mcleod_ideafix February 2011 Hardware
  • what is this crazy modfound a speccy in my loft yesterday,and it seems to have an external heatsink modd i havent the foggiest about speccys heres a few pics [url]http://i…

    ... think) so i ran fruitcakes diagnostic ROM and got this screen
    Macc Macc January 2012 Hardware
  • Help me resurrecting a 128KHello to everybody. I'm really struggling along a repair of a standard 128K a friend of mine handed me over some (ok, actually a lot of) time ago. A…

    ... it back together, the diagnosis ROM greeted me with a properly ... from Jan and burn a diagnostic ROM, and from Mark, Roko et ... for putting together such great diagnostic ROM.

    Really many, many ...
    Falco-F8L Falco-F8L October 2012 Hardware
  • another faulty zx spectrum +2 to fix!!!Hello to all, I'm new here... I have got a faulty +2 (gray) and start to try fix it... I have read the treads of xaris_sm and Pluto63 as background…

    ... Turbo with Paul Farrow's diagnostic rom.

    I tested the ...
    bverstee bverstee May 2013 Hardware
  • Testing a +2I recently picked up a non functioning Spectrum +2 Grey (Issue 3 board?), and am just beginning to go through and see what needs to be done to it. I …

    ... contacts, ULA function, Z80 function, ROM function, capacitors

    3 ... memory function
    a. Use diagnostic rom (I use Paul Farrow's ...
    bverstee bverstee June 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…

    ... 0 not the diagnostic rom code but Peras HHD rom code. This is ... was to check whether the Rom may be defect. After switching ... no Ram test using this Rom. Is this possible?
    Does ...
    maskenlos maskenlos October 2013 Hardware
  • Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…

    ... sense out of the diagnostics ROM.[/QUOTE]

    That's ... correctly (which explains why the Diagnostic ROM itself works) and could mot ...
    Falco-F8L Falco-F8L December 2013 Hardware
  • Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…

    ... ' removed when you run a diagnostic ROM, does not means that all ...
    roko roko December 2013 Hardware
  • Weird tv output by spectrum 48kI recently got a spectrum 48k and hooked it up to my tv. After finding channel 36, I get a really weird picture for the spectrum, why is that? Below…

    ... me it was Winston's diagnostic ROM passing the bit set/reset ...
    balford balford February 2014 Hardware
  • 48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …

    ... not catch this. Without a diagnostic ROM or board, swapping upper RAM ...
    balford balford September 2014 Hardware
  • 48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …

    ... in the BASIC ROM then page back in the diagnostic ROM relatively quickly ... into the BASIC ROM instead of continuing with the diagnostic code. Hard ... /> You could try using the diagnostic LED's to show where ...
    balford balford October 2014 Hardware
  • A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…

    ... board that can take a diagnostic ROM (as in EPROM or EEPROM ... . You can then use a diagnostic ROM cart, maybe using one of ... .

    Of course, the ROM socket option does not offer ... not offer the same ROM switching that the Diagnostic board offers.
    1024MAK 1024MAK November 2014 Hardware
  • 48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …

    ... "]here[/URL] and the latest diagnostic ROM image is [URL="https://github ...
    balford balford November 2014 Hardware
  • 48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …

    ... "]here[/URL] and the latest diagnostic ROM image is [URL="https://github ...
    bagpuss22 bagpuss22 November 2014 Hardware
  • Issue 2 Spectrum - Black screenHi I have an issue 2 spectrum which I'm having some issues with. I bought it on ebay so have no idea of the history or how it came to be broken. Whe…

    ... you had access to a diagnostic ROM / board / cartridge. Would quickly establish ...
    1024MAK 1024MAK November 2014 Hardware
<1234567…34>

Latest Posts

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  • New video about S-video modification on Issue two 48K Spectrum.
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  • RAM Diagnostic ROMhi all,<br /> <br /> i burn this ROM from here<br /> <br /> [url]http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_T…
  • Original diagnostic rom on eBayI know there are some who really want this:<br /> [url]http://www.ebay.co.uk/itm/281154980378[/url]<br /> <br /> Maybe that's the one that was sold l…
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