Apple Mac 8600 - Manual (Page 47)

Specifications Processor - 1
Processor
CPU
PM 8600/200
One PowerPC 604e RISC processor running at 200 MHz
Built-in FPU
Requires system software version 7.5.5 or later
PM 8600/250
One PowerPC 604e RISC processor running at 250 MHz
Built-in FPU
Requires system software version 7.6.1 or later
PM 8600/300
One PowerPC 604e RISC processor running at 300 MHz
Built-in FPU
Requires system software version 7.6.1 or later