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Introduced: February 1, 1994
Logic Board Processor:
68LC040 Processor Speed:
33 MHz Note:
This model is sometimes designated
as having a 66 MHz processor, since the clock input runs
at 66 MHz; however, the processor itself runs at 33 MHz.
PMMU:
Integrated FPU:
none Bus Speed:
33 MHz Data Path:
32-bit ROM Size:
1 MB Level 1 Cache:
8K Level 2 Cache:
none Expansion Slots:
1 LC PDS, comm. slot Battery:
4.5V Alkaline Memory RAM Type:
72-pin SIMM RAM Slots:
1 Min - Max RAM:
5 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:
none Floppy:
none SCSI:
DB-25 Geoports:
none Ethernet:
none Mic Type:
PlainTalk Other ports:
Printer, modem, speaker,
headphone Video Standard VRAM:
512K (2 x 256K) Maximum VRAM:
1 MB (2 x 512K) Display Resolution:
640 x 480, 8-bit (2 x 256K),
16-bit (2 x 512K)
Note:
Built-in monitor is a 14 inch
Sony Trinitron RGB display.
Storage Standard CD-ROM:
2x Internal Hard Drive:
SCSI (320 MB) Floppy Disk Drive:
1.44 MB manual
Operating System Addressing Modes:
24-bit or 32-bit Original OS:
7.1P6 Original Enabler:
System Enabler 364 AppleTalk Version:
57.0.4 Compatible MacOS:
7.1P6 For additional information on
operating systems:
See this article Miscellaneous Macintosh Counterpart:
Macintosh LC 575 Form Factor:
LC 520 Dimensions (Inches):
17.9 H x 13.5 W x 16.5 D Average Weight (lbs):
40.5 Gestalt ID:
92 Original Price:
$2200 US
Image Credit: MacUser, July 1994
Comments
The Performa 577 was identical to the Performa 575, but the Performa 577 shipped with a
320 MB hard drive instead of a 250 MB hard drive like the 575.
