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Image Credit: Macworld, December
1993
Introduced: October 18, 1993
Logic Board Processor:
68LC040 Processor Speed:
25 MHz
The clock input runs at 50 MHz;
however, the processor itself is clocked at 25 MHz, so
technically it is only a 25 MHz processor.
PMMU:
Integrated FPU:
none Bus Speed:
25 MHz Data Path:
32-bit ROM Size:
1 MB Level 1 Cache:
8K 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:
1 USB:
none FireWire:
none Video:
DB-15 Floppy:
none SCSI:
DB-25 Geoports:
none Ethernet:
none Mic Type:
PlainTalk Other ports:
Printer, modem, speaker
Image Credit: Apple Inc.
Image Credit: Apple Inc.
Video Standard VRAM:
512K (2 x 256K) Maximum VRAM:
1 MB (2 x 512K) Display Resolution:
512 x 384, 16-bit (2 x 256K),
16-bit (2 x 512K) 640 x 480, 8-bit (2 x 256K),
16-bit (2 x 512K) 832 x 624, 8-bit (2 x 256K),
16-bit (2 x 512K) 1024 x 768, 4-bit (2 x 256K),
8-bit (2 x 512K) 1152 x 870, 4-bit (2 x 256K),
8-bit (2 x 512K)
Storage Standard CD-ROM:
none Internal Hard Drive:
SCSI (160 - 230 MB) Floppy Disk Drive:
1.44 MB manual
Operating System Addressing Modes:
24-bit or 32-bit Original OS:
7.1P3 Original Enabler:
System Enabler 364 AppleTalk Version:
57.0.4 Compatible MacOS:
7.1P3 For additional information on
operating systems:
See this article Miscellaneous Macintosh Counterpart:
Macintosh Quadra 605 or
Macintosh LC 475 Form Factor:
LC Dimensions (Inches):
2.9 H x 12.2 W x 15.3 D Average Weight (lbs):
8.8 Gestalt ID:
89 Original Price:
$1600 US
(Click) 1994 MacZone Ad
Comments
The education version of the Performa 475 was the Macintosh LC 475.
The business version of the Performa 475 was the Macintosh Quadra 605.
