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<1…6789101112…34>
  • 48K ROM/EpromAnybody know if the 27C128 Eprom will work in a 48K machine withut modifications? If not, what mods do I need to make? Ta!

    ... /ability to program these 27128 Eprom chips? And, more importantly to ... probs. I have a Willem Eprom programmer. Only ?20 from Ebay ...
    alchresearch alchresearch January 2006 Sinclair Miscellaneous
  • rom switchhow could one go about building a rom switch, to switch between +3 roms and +3e roms.

    ... you'll need the 27256 Eprom, they are 32Kb chips. The ... never tried to use an Eprom in a +3 so I ... " and Andy (AlchResearch) has an Eprom burner - I'm sure he ...
    DEATH DEATH February 2006 Hardware
  • rom switchhow could one go about building a rom switch, to switch between +3 roms and +3e roms.

    On my ZX-PC Interface I have an EPROM.

    It runs on all 128K.

    On a +3 you need to point to another ROM-select signal than ROMCS. Eprom is activated when +5v on ROMCS (in the middle under, not 4th from edge under)
    Dr BEEP Dr BEEP February 2006 Hardware
  • rom switchhow could one go about building a rom switch, to switch between +3 roms and +3e roms.

    ... usage of FLASH Eprom chip instead of classical Eprom. It can be ... [/url]

    Sections Flash EPROM instead ROM and ROM Switch.
    piters piters February 2006 Hardware
  • Wanted: +3e RomsHi, looking to upgrade to +3e roms. Can someone recommend a reliable source. Cheers Moray

    Hi,

    I have an Eprom programmer and a few EPROMs knocking around if you don't have your own.
    alchresearch alchresearch March 2006 Wanted
  • ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…

    ... R0 pages in 16k of EPROM in this space. Clearing bit ...
    MikeW MikeW April 2006 Hardware
  • ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…

    ... R0 pages in 16k of EPROM in this space. Clearing bit ... random things could include a EPROM bit (rather than using R0 ... whatever) to either RAM or EPROM, with this bit choosing which ... . Then you could map the EPROM into any memory slot by ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Hardware
  • IDE InterfaceHi all, I've found a diagram for an 8-bit IDE interface...[url]http://www.zxplus3e.plus.com/interface.html[/url] It looks nice and simple and, if I…

    ... how you think it without EPROM? How you think to use ...
    piters piters April 2006 Hardware
  • Anyone got divIDE and +3/+2A?About a year ago, somebody asked me to port the Spectrum +3e ROMs over to the divIDE interface. I did this, but never heard back so I was unsure if t…

    ... currentrly don't have an EPROM burner avaialble (I used the ...
    Tom-Cat Tom-Cat May 2006 Hardware
  • Anyone got divIDE and +3/+2A?About a year ago, somebody asked me to port the Spectrum +3e ROMs over to the divIDE interface. I did this, but never heard back so I was unsure if t…

    ... test the roms, I have eprom burner, divIDE, +2A and +3 ...
    Timppa Timppa May 2006 Hardware
  • Anyone got divIDE and +3/+2A?About a year ago, somebody asked me to port the Spectrum +3e ROMs over to the divIDE interface. I did this, but never heard back so I was unsure if t…

    ... test the roms, I have eprom burner, divIDE, +2A and +3 ...
    glancaster glancaster May 2006 Hardware
  • Anyone got divIDE and +3/+2A?About a year ago, somebody asked me to port the Spectrum +3e ROMs over to the divIDE interface. I did this, but never heard back so I was unsure if t…

    ... currentrly don't have an EPROM burner avaialble (I used the ...
    glancaster glancaster May 2006 Hardware
  • Interface 1 Memory Map(I'm not sure which section this post should go in, but here seems as good as any) Since the Interface 1 ROM is only 8k long, does anyone know what …

    ... prototypes were issued with an Eprom.

    I've never ...
    Geoff Geoff May 2006 Hardware
  • Simple mass storage solutionNew simple interface project: [url]http://www.ppest.org/zx/zx.php[/url] - first project Storage media is Compact Flash card, interface has only o…

    ... "ROM Switch" & "ZX Flash EPROM"?

    If so, does ...
    garethrichardadams garethrichardadams June 2006 Hardware
  • Simple mass storage solutionNew simple interface project: [url]http://www.ppest.org/zx/zx.php[/url] - first project Storage media is Compact Flash card, interface has only o…

    ... "ROM Switch" & "ZX Flash EPROM"?
    If so, does that ... replaced ROM chip to EPROM (actually Flash EPROM, irrelevant).
    Content is ...
    piters piters June 2006 Hardware
  • -** Egghead Iv - Cassette Version Now Available **-In case anyone wants the official cassette version of Jonathan's excellent EGGHEAD IV, it's now available from the Cronosoft website. Price is ?1.99…

    ... .... if someone with an Eprom programmer, some Eprom chips, and a whole ...
    chaosmongers chaosmongers June 2006 Games
  • Faulty 128KI digged out my Spectrum 128, and it wakes not up. I don't have experience, only with 48K. Maybe someone can give me some hint, clue. It looks like m…

    ... my TestSpec4.rom onto an EPROM and stick it in a ...
    Spirantho Spirantho June 2006 Hardware
  • EPROM InfoHi guys. I'm looking for info about a 27C256 EPROM. Does anyone know if toggling A14 high/low selects the upper/lower 16K banks? Cheers

    ... for info about a 27C256 EPROM.
    Does anyone know if ... .
    I use 291001 Flash EPROM in Speccy - it has 8x16K ...
    piters piters July 2006 Hardware
  • EPROM InfoHi guys. I'm looking for info about a 27C256 EPROM. Does anyone know if toggling A14 high/low selects the upper/lower 16K banks? Cheers

    ... .
    I use 291001 Flash EPROM in Speccy - it has 8x16K ... use 1mb flash instead of eprom's. Its a mod I ...
    KeepGood KeepGood July 2006 Hardware
  • DivIDE EmulationHi guys, I should have my DivIDE soon so I've been trying to emulate it to become familiar with the devices functions. I've fired up the EightyOne …

    ... think the problem is the EPROM enable link that Timppa referred ... removed to prevent the onboard EPROM from kicking in. Unfortunately, neither ...
    glancaster glancaster July 2006 Sinclair Miscellaneous
  • DivIDE EmulationHi guys, I should have my DivIDE soon so I've been trying to emulate it to become familiar with the devices functions. I've fired up the EightyOne …

    ... " link the same as the "EPROM" link referred to in the ...
    glancaster glancaster July 2006 Sinclair Miscellaneous
  • DivIDE EmulationHi guys, I should have my DivIDE soon so I've been trying to emulate it to become familiar with the devices functions. I've fired up the EightyOne …

    ... " link the same as the "EPROM" link referred to in the ...
    gasman gasman July 2006 Sinclair Miscellaneous
  • Datel +D clone[url]http://cgi.ebay.co.uk/Plus-D-D-interface-NEW-FDD-for-ZX-Spectrum_W0QQitemZ140007699563QQihZ004QQcategoryZ50223QQrdZ1QQcmdZViewItem[/url] I have…

    ... square sticker to protect the EPROM from UV.

    My ...
    DEATH DEATH July 2006 Hardware
  • Timex-Sinclair 2068 mod?Just curious, is there any way that a Timex-Sinclair 2068 can be modded to function as a ZX Spectrum128? I'm considering getting one (since it's rat…

    ... be done to get the EPROM to work in the ROM ...
    Alcoholics Anonymous Alcoholics Anonymous July 2006 Hardware
  • Timex-Sinclair 2068 mod?Just curious, is there any way that a Timex-Sinclair 2068 can be modded to function as a ZX Spectrum128? I'm considering getting one (since it's rat…

    ... the HOME rom with an EPROM is very easy to do ... the end about putting an EPROM into the ROM socket. It ... I would bend the relevant EPROM pins outward at 90 degrees ... to another pin on the EPROM if necessary). That way your ... willing to program the EPROM for you...
    Alcoholics Anonymous Alcoholics Anonymous July 2006 Hardware
  • 128K (heatsink) or +2 greylooking for one of these due to being unable to play 128K games on my 48K :) just in emu :( anyone has functioning and cheap one around ireland? (th…

    found one rom
    what chip should i replace -of the 2 aside the z80- and with wich "burnable " eprom chip ?
    cdjgroup cdjgroup July 2006 Wanted
  • 128K (heatsink) or +2 greylooking for one of these due to being unable to play 128K games on my 48K :) just in emu :( anyone has functioning and cheap one around ireland? (th…

    but which one of the 2 chips
    and which eprom should i use?
    cdjgroup cdjgroup July 2006 Wanted
  • 128K (heatsink) or +2 greylooking for one of these due to being unable to play 128K games on my 48K :) just in emu :( anyone has functioning and cheap one around ireland? (th…

    how do i add 2 programs on to a single eprom ?
    -new to eprom burning-
    cdjgroup cdjgroup July 2006 Wanted
  • +3e ROMs v1.28 releasedAfter a slight delay (ahem), I have updated the +3e ROMs to v1.28. Amongst other things, this release provides: [LIST] [*]Completely rewritten (and …

    ... ) which enables/disables divIDE's EPROM. If you enable it, you ...
    glancaster glancaster August 2006 Hardware
  • Questions from the new owner of a grey Spectrum +2I managed to pick up a grey Spectrum +2 off of ebay with cheap shipping (I'm in the US... it was $13 total and it has a Donkey Kong tape inside) and …

    ... it nobody has used an eprom adapter to use a 64K ... EPROM and just run a jumper ...
    JamesD JamesD September 2006 Hardware
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