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Macintosh Centris 650
	The Macintosh Centris 650 arrived in February 1993 and belongs to Apple's short-lived Centris family. With a 25 MHz 68LC040 or 68040, multiple NuBus slots and generous memory expansion, it was a capable business and publishing Mac of the early 1990s.

TECHNICAL DATA

Introduction 1993 CPU Motorola 68LC040 or 68040, 25 MHz Data path 32-bit RAM 4 or 8 MB standard; depending on onboard RAM up to 132 or 136 MB RAM slots 4 x 72-pin SIMM Graphics 512 KB VRAM, expandable to 1 MB Storage SCSI; 80 MB, 230 MB and, depending on configuration, up to 500 MB Optical Optional 2x CD-ROM Expansion 3 NuBus slots plus Processor Direct Slot

PERIOD CONFIGURATIONS

The entry configuration could ship with a 68LC040 without an integrated FPU; higher-end configurations used the full 68040. Typical systems had 4 or 8 MB RAM, SCSI hard disks and an optional internal 2x CD-ROM. Four 72-pin SIMM slots made the Centris 650 unusually expandable for its time.

TYPICAL USE CASES Business and office work Desktop publishing Graphics and layout Network workstation Scientific and technical software Multimedia with optional CD-ROM

MULTIERA LAB TEST PLAN Mac OS 8.1 and classic system versions Netscape / Internet Explorer Legacy website and downloads SCSI / BlueSCSI Networking with modern infrastructure Emulator versus original hardware comparison

NOTES: The Centris 650 was sold only during 1993; the Centris line was folded into the Quadra family later that year.

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