Source : Free On-Line Dictionary of Computing

Macintosh IIcx
     
         (Mac IIcx) A version of {Apple}'s {Macintosh II}
        {personal computer}, introduced in 1989, with a {Motorola
        68030} processor running at 16 MHz and up to 128 MB of {RAM}
        (120 ns, 30-pin {DRAM} chips).  The IIcx requires System 6.0.3
        or later and requires "Mode 32" or "32-bit Enabler" to use
        more than 8MB of RAM.  It was discontinued 1991, and in 1996
        is still considered one of the best-designed Macs ever.
     
        (1996-05-25)