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Commodore 128 Garbage Screen & Random Memory Problem repair

Commodore 128 Garbage Screen & Random Memory Problem repair  

Commodore 128 Garbage Screen & Random Memory Problem repair

Difetto:

  • Caretteri confusi sullo schermo in modalita’ 128 e quantita’ della memoria disponible a random in modalita’ 64.

Riparazione:

  • Sotituzione CPU MOS 8502.

Note:

  • Il problema del Garbage Screen / Out of Memory / Memory problems del Commodore 128 non e’ detto che sia sempre dovuto ad un problema di Ram / Multiplexer o Bank Switching.

Galleria della riparazione:

  1. 18 March 2016 a 20:40 | #1

    I notice in the 128 mode the photos show two different fonts. Looks like a PET font and the C64 font.

    Noobish question but is that normal?

    Thanks

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