Macintosh Performa 275 Review: Specs, Price & Value – Facts About Macintosh Performa 275

Introduced: October 1, 1993
Terminated: November 1, 1995

Logic Board
Processor:   68030
Processor Speed:   33 MHz
PMMU:   Integrated
FPU:   opt. 68882
Bus Speed:   33 MHz
Data Path:   32-bit
ROM Size:   1 MB
Level 1 Cache:   0.5K
Level 2 Cache:   none
Expansion Slots:   1 LC PDS
Battery:   3.6V Lithium

Memory
RAM Type:   72-pin SIMM
RAM Slots:   1
Min – Max RAM:   4 MB – 36 MB
Minimum RAM Speed:   80 ns
Install in groups of:   1
RAM Sizes:   1, 2, 4, 8, 16, 32 MB
Onboard RAM:   4 MB

Ports
ADB:   2
USB:   none
FireWire:   none
Video:   none
Floppy:   none
SCSI:   DB-25
Geoports:   none
Ethernet:   none
Mic Type:   Omni
Other ports:   Printer, modem, speaker

Video
Standard VRAM:   256K (Built-in)
Maximum VRAM:   512K (1 x 256K)

Display Resolution:

  • 512 x 384, 8-bit (256K Built-in), 16-bit (1 x 256K)
  • Built-in 10″ Sony Trinitron RGB display.

Storage
Standard CD-ROM:   none
Internal Hard Drive:   SCSI (80 – 160 MB)
Floppy Disk Drive:   1.44 MB auto

Operating System
Addressing Modes:   24-bit or 32-bit
Original OS:   J-7.1
Original Enabler:   System Enabler 403
AppleTalk Version:   57.0.4

Compatible MacOS:
7.1
7.5
7.5.1
7.5.3
7.5.5
7.6
7.6.1

Miscellaneous
Macintosh Counterpart:   Macintosh Color Classic II
Form Factor:   Color Classic
Dimensions (Inches):   14.5 H x 9.9 W x 12.6 D
Average Weight (lbs):   22.5
Gestalt ID:   83

Comments
This Performa 275 was identical to the Macintosh Color Classic II. The Performa 275 was sold only in Asia.

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