ocr: Product Details System Configuration The 32-bit address bus provides a total SCSI (Small Computer Systems Three configurations are available: addressable space of4 gigabytes. Interface) The Macintosh IIx CPUI includes the Separate instruction and data caches - SCSI is a high-performance interface for CPU, 68882/loating-point coprocessor, provide significantly faster processing, connecting the computer to hard disks and 4megabytes of RAM, one 1.4-megabyte Built-in PMMU supports virtual, shared, other mass-storage peripherals. Up to seven floppy disk drive, and mouse. andprotected: memory in ope ...