The Centris 610, Quadra 610, and Apple Workgroup Server 60 have 4 MB of RAM soldered to the motherboard and two 72-pin SIMM sockets for memory expansion as far as 72 MB.
February 10, 1993 was one of the biggest days in Mac history. Apple introduced six new models at once.
1999 – ME writes: So, my Centris 610 . . . (I can hear you already. Hopelessly outdated; buy a 7500.) Okay, fine. Anyway, my Centris 610 cost me $30. (University surplus store; it’s raining G3 towers on campus right now, so they’re dumping these things like mad.)
It is out of sheer desire to help others overcome the year-long disaster that I went through, that I would like someone to be able to document this somewhere. Please take note, this affects all Centris 610 and Quadra 610 machines, but not the 660av.