![]() Suspicions fell immediately on the new card. The Mac booted normally, but there was no video. Once firmly inserted the motherboard, I turned the Colour Classic on. I took measurements and, not without difficulty, managed to cut away exactly where the plastic was blocking the card’s passage. The top edge of the card, in fact, collided with a piece of plastic inside the Mac’s chassis that helps to keep the cables of the hard drive power connector in place. The first snag I encountered was right when I attempted to insert the motherboard with the attached Ethernet card back inside the Colour Classic. The LC 580’s motherboard also sports a Comm Slot interface, and the aforementioned Ethernet card can be installed without problems : ![]() Luckily, years ago I also acquired the motherboard from a Macintosh LC 580, which fits perfectly in a Colour Classic and makes for a nice overall upgrade (it has a Motorola 68LC040 at 33MHz CPU versus the original 68030 at 16MHz of the Colour Classic, and the RAM can be expanded to a maximum of 52 MB instead of the meagre 10 MB of the original motherboard). ![]() Now, the original Colour Classic motherboard doesn’t have a Comm Slot interface, its only expansion comes in the form of a PDS slot. ![]() Among the various goodies Richard donated me there was an Apple-branded Comm Slot Ethernet card (Part № 820-0607-A), which I hoped I could attach to my Colour Classic to bring Ethernet connectivity - and therefore Internet - to my favourite compact Mac.
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