Newlife also had an upgrade which I could never afford. It installedin a Plus or 512KE and provided a fast 68030, memory expansion, SCSI

and video out. I really wanted that one. I think it's memory

could go to 16 MB. The Mac ROM didn't support more than 4 MB, but

the way I understood it, the extra memory became a RAM disk, and then

one took advantage of the 68030's PMMU to implement virtual memory

which turned around and used the RAM disk for its scratch space, thus

turning the extra RAM into available RAM in an bass-ackwards kind of

way. One had to have Connectix's "Virtual" to make this work.

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