(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.