Why not advance your aspirations towards a Q605, and cut out the intermediary step of trying and tiring of an LC. Apart from the fact that it can take a full 040, the Quadra can also take, with care, a 128MB RAM card. They can still be found, as can 64MB cards that work.

And a Q605 has feets!

Mine can still do a cold boot into OS 8.1 in 2m10s, most of which time is used for the 132MB (total) RAM check

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