• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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  1. M

    Downgrading from Mac OS 8.1 to 7.5

    Okay, I bought a Macintosh Performa 631CD, with 36MB and a 1GB IDE Hard Drive.  The seller installed Mac OS 8.1 but it is too slow, and it has terrible compatibility playing many programs and games I've installed, so I want to replace it with System 7.5. So I downloaded the Apple 7.5.3 19 part...
  2. M

    Nubus Card questions- Centris 650

    Hi, I'm still a newbie with old Macintoshes so bear with me.  I'm getting a Centris 650 in the mail in a few days and it comes with two Nubus cards installed.  The first is an unknown video card and the second is (I think) a Digidesign Audiomedia card.  My questions are: 1) Do Nubus audio and...
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