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<1234567…34>
  • Help with +3 in comaHi everyone Had a spectrum +3 under the bed for some time and when replacing its drive i accidentally connected the 5v and the gnd of the led. Now…

    ... ask a friend to burn an eeprom?

    thanks

    odious odious August 2005 Sinclair Miscellaneous
  • Some ROM/EPROM questions...I've got a ZX Spectrum +, a +2A and +3 computers, and I've been using +3e project ROMS for a while in my +3. I was thinking about using an EEPROM or…

    ... /> I was thinking about using an EEPROM or Flash memory to store ... to upgrade. Is there any EEPROM or flash memory "pin compatible ... />
    Also, there is any EEPROM or flash compatible with my ...
    Zup Zup June 2010 Hardware
  • grrrrrrr xboxI had a 128MB Xbox which I didnt mind using. Of course the kids wanted to go on it so i didnt mind and they used it more than me. One day I wanted t…

    ... .

    I soon had an eeprom reader and got them all ...
    morcar morcar December 2012 Chit chat
  • PCB for romselector for toastrack/grey +2 giveawayHi guys. I've tried my hand at hardware design, and to my great surprise, my very first design worked as expected... :razz: I wanted to be able to …

    ... 256kb eeprom. My version uses an AMD am28f020-150.
    An eeprom programmer ... to put something meaningful into the eeprom.
    ... the contents of the eeprom). I recommend a turned ... the contents of the eeprom. I can however teach ...
    Rorschak Rorschak March 2013 Hardware
  • The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…

    ... ’ operating system which used an eeprom emulator (that LaesQ made) ... br /> Unfortunately Miguel had an hard drive crash :(
    ... explained:
    “This would take an entire book! ;)”


    After getting an enthusiastic reply from Miguel, I ...
    bverstee bverstee October 2015 Hardware
  • 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…

    ... Master System cartridges to make an EEPROM-compatible cart and designed and ... populated a new EEPROM cart PCB for Mega Drive ... keyboard connected. (That'll be an easy zif insert after I ...
    Kamineko Kamineko September 2017 Hardware
  • Programing ROM CART from PCHave anybody tried to make a piece of hardware that would be able to program (burn) SINCLAIR cartridge from PC? In the sense, you take TAP or TZX and…

    ... more than an EPROM or EEPROM of equivalent size.

    an EEPROM, though ...
    GP GP April 2003 Sinclair Miscellaneous
  • Issue 1 only?The thread on the +2 prompted me to start this one. I got an issue 1 Speccy 16k in 1983 for my birthday and then a Fox Electronics 48k upgrade for m…

    Slightly OT I know, but I took apart an old ZX81 last week as I kept getting some moving glitches on the character display - and was very surprised to find an EEPROM in there...!
    chaosmongers chaosmongers October 2006 Sinclair Miscellaneous
  • Issue 1 only?The thread on the +2 prompted me to start this one. I got an issue 1 Speccy 16k in 1983 for my birthday and then a Fox Electronics 48k upgrade for m…

    ... know, but I took apart an old ZX81 last week as ... was very surprised to find an EEPROM in there...![/QUOTE]

    DEATH DEATH October 2006 Sinclair Miscellaneous
  • SAM gets ethernetWhilst off topic - head over to [url]www.samcoupe.com[/url]. Colins got his ethernet board for the SAM available to buy and some interesting news ab…

    ... would be heavy. So if an interface was made, it might ... like the idea of using an eeprom to store programs in, well ... , as that uses a serial eeprom which would be slow(er ...
    LaesQ LaesQ October 2007 Hardware
  • SAM gets ethernetWhilst off topic - head over to [url]www.samcoupe.com[/url]. Colins got his ethernet board for the SAM available to buy and some interesting news ab…

    ... like the idea of using an eeprom to store programs in, well ... , as that uses a serial eeprom which would be slow(er ... one.[/QUOTE]

    The EEPROM onboard the Trinity is only ... settings, not programs, a 128K EEPROM wouldn't get too far ...
    Quazar Quazar October 2007 Hardware
  • upgrades what you looking for?i start working for upgrades for ZX, but i'm Atari specialist and i don't know exactly what you need for ZX. On the moment i have DIVIDE in stock, an…

    ... might be cool to have an EEPROM or even ordinary RAM that ...
    joefish joefish May 2009 Hardware
  • Opus DiscoveryI've got an opus dicovery 1 with 2 x 3 1/2" drives. I used it many times on my 48k but it doesn't work with my 128k toastrack. It also had some sort …

    ... this does, will it flash an attached opus?

    [URL ... it would be fitted with an EEPROM.
    It looks to me ...
    Mad Fritz Mad Fritz August 2009 Hardware
  • Mass storage - why backup battery?I wasn't sure to post this under "hardware" or "development", but here goes: There are these mass storage devices for ZX Spectrum, and on many desig…

    ... it can be mapped on an unmodified Spectrum - between ... standard DivIDE, it uses an EEPROM and some RAM, and ... type of ROM (EPROM, EEPROM or flash). It's ... a separate battery, about an order of magnitude cheaper ... , you have to send an unlock sequence first. Also, ...
    Winston Winston February 2010 Hardware
  • +3e ROMs in AT28C256I've been thinking about loading the +3e ROMs in a E2PROM (AT28C256) to make the upgrades easier. It seems that is TTL compatible, and it takes +5v V…

    ... ]might[/I] be tricky for an EEPROM that needs >5V for ...
    RetroTechie RetroTechie June 2010 Hardware
  • DivIDE questionsHi All, I'm the proud owner of two DivIDE interfaces, that I have just "inherited" from a friend. One of them is the original one and the other one …

    ... would suggest the lack of an M1 line on the Z80 ... a couple of occasions, the EEPROM has been corrupted, which can ... item of equipment which has an EEPROM - if there is too large ... you can expect corruption to an electrically erasable chip.

    rwap rwap April 2011 Hardware
  • ZXMMC+ emulation added to Z80p48K emulator for the V6Z80p+Hi friends! As time ago I've posted a thread about an FPGA clone for the V6Z80p board, I'd like to give an update about the status of the project. …

    ... .

    The board mounts an EEPROM chip that can hold multiple ... /> Just for completeness, there is an operating system based on OSCA ... on an SD card, and then use a software tool, called EEPROM ...
    adorigatti adorigatti August 2011 Hardware
  • ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…

    ... about the BIN file is an alternative course of action.
    an EEPROM eraser & blower so wanted ...
    szeliga szeliga May 2012 Announcements
  • Successfully updated Issue 2 48k to 128k?Thanks to the donation by PMSR and through the very patient teachings of Velesoft, I have updated the Issue 2 to work with 128k. However. I have yet …

    ... machine. I guess I need an eeprom programmed with 128K rom, since ...
    Johan1973 Johan1973 August 2012 Hardware
  • Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…

    ... problem recently when I put an eeprom as replacement for the rom ... . Simply added an Or gate that feeds the ...
    Johan1973 Johan1973 December 2012 Hardware
  • Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…

    ... problem recently when I put an eeprom as replacement for the rom ... . Simply added an Or gate that feeds the ...
    bverstee bverstee December 2012 Hardware
  • DivIDE on +3Hi guys! I need some help with my DivIDE interface. It?s a standard DivIDE from Ebay, no Plus. It works quite well, but actually I have three proble…

    ... />
    As you are using an amstrad machine you might want ... my +2gray I actually use an eeprom burned with the gosh wonderful ...
    thingley thingley December 2012 Hardware
  • 48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…

    ... modding the board to take an eeprom and loading up the ramtest ...
    wep855 wep855 October 2014 Hardware
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... assuming something like a 32kB eeprom and just wasting half ... 1626957.pdf"]AT28C010-12TU[/url] EEPROM.
    And eventually a decoding ... reference for a TSOP 32kB EEPROM ?

    I could ... a simple board, with just an EEPROM and decoding logic, plus some ...
    RMartins RMartins June 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... /> To burn the eeprom chip you need an eeprom programmer. The most popular ... is around 30€. Since the eeprom chip is encapsulated as PLCC32 ... very often, I'd suggest an SD card based solution unless ... you can even get an extra burned eeprom chip for 2€.
    Dan Dare Dan Dare July 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... 'd like to get myself an EEPROM writer anyway, so I can ...
    joefish joefish August 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... only has to respond when an IO request is done. Unfortunately ... from the spectrum. Just use an eeprom loaded with the dandanator menu ... board, all needed pins for eeprom programming are exposed in the ... to update it since the eeprom has 19 address lines and ...
    Dan Dare Dan Dare October 2016 Hardware
<1234567…34>

Latest Posts

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  • How Do You Categorize Your Speccy Software and Games?
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  • New video about S-video modification on Issue two 48K Spectrum.
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