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<1…28293031323334>
  • MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…

    ... any interest in getting a MB02+IDE interface in future and ... I think would take a MB02. Price of 200-250 Euro ...
    Speccyman Speccyman December 2011 Hardware
  • MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…

    ... for me.
    Btw. the MB02+IDE contains 30 chips and ... first lot of boards for MB02+IDE I found a company ... to the design of the MB02+ and containing Reset and NMI ...
    ingo ingo January 2012 Hardware
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... 2MB FDD images on IDE / MB02 emulation)
    c) if DivIDE ...
    velesoft velesoft January 2012 Games
  • Willy Meets The BeatlesHere's the almost complete release of Willy Meets The Beatles, which you can download from [URL="http://www.sendspace.com/file/55ps31"]HERE![/URL] T…

    ... You'd might look for MB02 version. There was something like ...
    Yerzmyey Yerzmyey January 2012 Brand new software
  • Willy Meets The BeatlesHere's the almost complete release of Willy Meets The Beatles, which you can download from [URL="http://www.sendspace.com/file/55ps31"]HERE![/URL] T…

    ... You'd might look for MB02 version. There was something like ...
    DaRkHoRaCe DaRkHoRaCe January 2012 Brand new software
  • New interface for ZXThis is my old (2004) unfinished project of internal interface for ZX Spectrum 128+2: ([url]http://velesoft.speccy.cz/hardware_in_development.htm[/u…

    ... ), DIVIDE memory, ZX rom emulation, MB02+ memory.

    Also +3E ...
    velesoft velesoft February 2012 Hardware
  • New interface for ZXThis is my old (2004) unfinished project of internal interface for ZX Spectrum 128+2: ([url]http://velesoft.speccy.cz/hardware_in_development.htm[/u…

    ... ...

    PROFI use also MB02+ memory (compatible with DIVIDE+ memory ...
    velesoft velesoft February 2012 Hardware
  • Internal ROM expansionHas anybody designed a multiple-ROM interface that plugs into the internal ROM socket instead of plugging onto the edge connector? It would be useful…

    ... rom emulation, ramdisc, divide memory, mb02+ memory, zx memory, allram
    velesoft velesoft February 2012 Hardware
  • How faithful are you to Sinclair computers?Are you 100% faithful to Sinclair computers or do you divide your attention across multiple retro computers and consoles? I never had anything besid…

    ... the Spectrum, bought my first MB02+ and since that time I ...
    ingo ingo February 2012 Sinclair Miscellaneous
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... ZX Spectrum!
    Now the MB02.
    bverstee bverstee February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    [QUOTE=bverstee;604778]Nope.
    It's from Frans (you may know him), not mine.

    I just repaired his Issue 1 ZX Spectrum!
    Now the MB02.[/QUOTE]

    There IS an IDE board, I left it at home...

    Frans
    Cameraman Cameraman February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... have 3 open devices (original MB02+). In that case it would ... all chips present in the MB02+.

    I never had ... a ROM failure in a MB02+ even not in the case ... of one MB02+ that was damaged by a ...
    ingo ingo February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... the static resistance on the MB02 is only about 400 ohms ... v2.1 board of this MB02: a 74HC14 isn't shown ... ).

    Furthermore when the MB02 is booting, the ZX Spectrums ... check what static resistance your MB02 has (have)?


    bverstee bverstee February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... />
    Did you remove the DMA chip. In that case you ... disk. If you have the DMA chip installed and no Floppy ...
    ingo ingo February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... ="http://www.truppel-online.de/mb02/mb02_schematic_v2_0.gif"]http://www.truppel ... -online.de/mb02/mb02_schematic_v2_0.gif[/URL]

    ingo ingo February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... />
    Did you remove the DMA chip. In that case you ... disk. If you have the DMA chip installed and no Floppy ... to show the bootscreen, no DMA, 8255, RTC, WD2797 etc.
    bverstee bverstee February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... (about 400 Ohm)

    MB02 side:
    - All ok: D0 ... />
    Todo: remaining signals at MB02 side
    bverstee bverstee February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    Did you really measure each line of the CPU while MB02+ is in ZX Basic mode connected to the Speccy?
    Can you confirm that all signals seem to be same as without MB02+?

    Ingo.
    ingo ingo February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... edge connector? I had a MB02+ with broken connector. Not seen ...
    ingo ingo February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... to be same as without MB02+?

    Ingo.[/QUOTE ... (which can enable the MB02 ROM) can only be ... .

    If the MB02 ROM is never paged in ... of the functions in the MB02 is activated.
    So ... problem between ZX Spectrum and MB02.

    Am I ...
    bverstee bverstee February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... be able to have the DMA chip in place...
    Any ...
    bverstee bverstee February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... be able to have the DMA chip in place...
    Any ... do that!

    The DMA is in 2.5 mm ... /> So an additional socket for DMA ist not a good idea ...
    ingo ingo February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... do that!

    The DMA is in 2.5 mm ... /> So an additional socket for DMA ist not a good idea ... by soldering easily.
    The DMA chip is in its original ...
    bverstee bverstee February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... , works again.

    The DMA chip seems to malfunction too ... .

    I tried my DMA chip (same UA858D) and the ... ' screen).
    It seems my DMA chip is failing too.
    DMA chip malfunctioning?
    Or could ...
    bverstee bverstee February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    I checked all signals, it really seems to be the DMA chips.

    Isn't the sram used during boot by the way?
    bverstee bverstee February 2012 Hardware
  • MB02 picsI got an original MB02 from someone to fix, and of course I made some pics to share (click for magnification): [URL="http://benophetinternet.nl/hobb…

    ... then UA858D is teh only DMA that works.
    There is ... -DOS that works with Zilog DMA does not support floppy.

    You could send the DMA to me for testing - no ...
    ingo ingo February 2012 Hardware
  • Transferring +d images to real 3.5" diskTheres probably a tool out there to do it, anyone point me in the right direction please?

    ... real disks (Disciple, PlusD or MB02, it all works!) in the ...
    bverstee bverstee February 2012 Sinclair Miscellaneous
  • Echo Soft Organ MasterI am selling Echo Soft Organ Master for Spectrum 128 [URL="http://www.ebay.co.uk/itm/Sinclair-Spectrum-Echo-Soft-Organ-Master-No-Reserve-/2906693463…

    ... conflicts with other hardware like MB02+ or divIDE. If the schematic ...
    ingo ingo February 2012 Sales
  • Transferring +d images to real 3.5" diskTheres probably a tool out there to do it, anyone point me in the right direction please?

    ... /> Allthough RealSpec can emulate the MB02 too; does Spectaculator emulate the ...
    bverstee bverstee February 2012 Sinclair Miscellaneous
  • Transferring +d images to real 3.5" diskTheres probably a tool out there to do it, anyone point me in the right direction please?

    [QUOTE=bverstee;606419]does Spectaculator emulate the MB02?[/QUOTE]
    I don't think so... I can only see +3, +D and Beta 128 listed, and of those I think only +D has real disk support.
    obo obo February 2012 Sinclair Miscellaneous
<1…28293031323334>

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