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Modded ZX81 -

murtcepsmurtceps
edited December 2007 in Hardware
I just received a box of stuff from a bulk Ebay purchase.

One of the items was a ZX81. With a modded socket added to the top left.

Whats this for ?


Pic 1

close up
Post edited by murtceps on

Comments

  • spiderspider
    edited November 2007
    Difficult to say as its just a din socket :)

    I suppose it could be connected to the tape socket or something or possibly the 81 has an audio board fitted maybe ?

    You probably will have to have a peek inside to see what its connected to :grin:
    Please visit the JetSet Willy & Manic Miner Community
  • Shockwav3Shockwav3
    edited November 2007
    Show us the internals, otherwise this is all guessing.
    Spider's guess would be the most common thing.
    Pentagon 48/128, ZS Scorpion 256 Turbo+, Compact 256 Turbo, Sinclair ZX Spectrum 48K (DK'Tronic case, Fuller FDS case, Timex case variant), Timex Sinclair TC2048, Sprinter 2016S, Didaktik M, CoBra, TK90X, TK95, ATM Turbo 2+, Pentagon 1024SL 2.2
  • murtcepsmurtceps
    edited November 2007
    Shockwav3 wrote: »
    Show us the internals, otherwise this is all guessing.
    Spider's guess would be the most common thing.


    I'll open it up and take some picks- Probably be Sunday



    When the wifes out !!!
  • DavidBDavidB
    edited December 2007
    Perhaps a more stable power supply socket that doesnt come out when you sneeze.
    No one important.
  • GodsGods
    edited December 2007
    murtceps wrote: »
    With a modded socket added to the top left.
    Whats this for ?
    Maybe a joystick (5,6,7,8 and 0 Keys) connector ?
  • murtcepsmurtceps
    edited December 2007
    Gods wrote: »
    Maybe a joystick (5,6,7,8 and 0 Keys) connector ?


    Would this look like this ?

    http://i22.photobucket.com/albums/b307/Blooda/DSC01083.jpg

    http://i22.photobucket.com/albums/b307/Blooda/DSC01082.jpg


    Just Opened it up.
  • Shockwav3Shockwav3
    edited December 2007
    Most likely some kind of joystick interface considering where the solder joints are. Perhaps someone who's familar with the shematics can give you a more definite answer.

    EDIT: Having taken a peek at the shematics releaved that it's 99.8% a joystick connector how Gods described.
    Pentagon 48/128, ZS Scorpion 256 Turbo+, Compact 256 Turbo, Sinclair ZX Spectrum 48K (DK'Tronic case, Fuller FDS case, Timex case variant), Timex Sinclair TC2048, Sprinter 2016S, Didaktik M, CoBra, TK90X, TK95, ATM Turbo 2+, Pentagon 1024SL 2.2
  • murtcepsmurtceps
    edited December 2007
    Thanks Guy for your help ..
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