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# Macintosh Centris 650

Essentials

Family: Macintosh Centris

Codename: ?

Gestalt ID: 30

Minimum OS: 7.0.1

Maximum OS: 8.1

Introduced: February 1993

Terminated: October 1993

Processor

CPU: Motorola MC68040

CPU Speed: 25 MHz

FPU: integrated

Bus Speed: 25 MHz

Register Width: 32-bit

Data Bus Width: 32-bit

Address Bus Width: 32-bit

Level 1 Cache: 4 kB data, 4 kB instruction

ROM: 1 MB

RAM Type: 72 pin SIMM

Minimum RAM Speed: 80 ns

Onboard RAM: 4/8 MB (see notes)

RAM slots: 4

Maximum RAM: 132/136 MB (see notes)

Expansion Slots: 3 NuBus, 1 PDS

Video

VRAM: 512 kB - 1 MB (two sockets)

Max Resolution: 1152x870

Video Out: DB-15

Storage

Hard Drive: 80-500 MB

Floppy Drive: 1.4 MB SuperDrive

Optical Drive: 2x CD-ROM

Input/Output

ADB: 1

Serial: 2 Mini DIN-8

SCSI: DB-25

Audio Out: mono 8 bit mini

Audio In: stereo 8 bit mini

Speaker: mono

Microphone: mono

Networking

Ethernet: AAUI-15

Miscellaneous

Power: 230 Watts

Dimensions: 6" H x 13" W x 16.4" D

Weight: 25 lbs.

Notes

The Centris 650 received a silent RAM upgrade: later models included 8 MB of on board RAM, instead of the initial 4 MB. This increased the maximum RAM from 132 MB to 136 MB.

Introduced in February 1993, the Centris 650 was a faster, more expandable version of the Centris 610. It came in a IIvx-style case, and was powered by a 25 MHz 68040 processor. The Centris 650 sold for $2,700, and was replaced in October by the Quadra 650.

Picture Credits:
Todo Apple Blog