sentence: power2 processors power2 6 to 8 chips were mounted on a ceramic multi chip module power2 + a cheaper 6-chip version of power2 with support for external l2 caches p2sc a faster and single chip version of power2 p2sc + an even faster version or p2sc due to reduced fabrication process powerpc in 1991 , apple looked for a future alternative to motorola 's 68000 - based cisc platform , and motorola experimented with a risc platform of its own , the 88000 .