Macintosh Performa 577: Difference between revisions
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For complete technical specifications including memory maps, I/O details, and custom chip information, see the [[Macintosh LC 575#Technical Details|LC 575 Technical Details]] section. | For complete technical specifications including memory maps, I/O details, and custom chip information, see the [[Macintosh LC 575#Technical Details|LC 575 Technical Details]] section. | ||
== Service Documentation == | |||
The official Apple Service Source documentation for this model: | |||
<pdf width="800" height="500">File:Lc_520.550.575.pdf</pdf> | |||
== See Also == | == See Also == | ||
Latest revision as of 12:12, 10 February 2026
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| Macintosh Performa 577 | |
| Specifications | |
|---|---|
| Manufacturer | Apple Computer, Inc. |
| Type | All-in-one Personal Computer |
| Released | February 2, 1994 |
| Discontinued | April 3, 1995 |
| Intro price | US$1,799 |
| CPU | Motorola 68LC040 @ 33 MHz |
| Memory | 5 MB RAM (expandable to 36 MB) |
| Storage | 320 MB SCSI hard drive, 2X CD-ROM drive |
| Display | 14" Sony Trinitron color CRT (640×480 pixels) |
| Sound | Stereo 16-bit, 44.1 kHz |
| Dimensions | 16.5" H × 13.2" W × 16.25" D (419 × 335 × 413 mm) |
| Weight | 38.4 lbs (17.4 kg) |
| OS / Firmware | System 7.1.1 – Mac OS 8.1 |
| Predecessor | Performa 550 |
| Successor | Performa 580 |
| Codename | Optimus |
| Model no. | M1347 |
The Macintosh Performa 577 is an all-in-one personal computer released on February 2, 1994, as part of Apple's consumer-oriented Performa line. The Performa 577 is a rebrand of the LC 575 with a larger hard drive, featuring a 33 MHz Motorola 68LC040 processor, built-in 14-inch Sony Trinitron color display, and bundled consumer software.[1]
Hardware
[edit | edit source]The Performa 577 uses the same logic board and chassis as the Macintosh LC 575, differing only in storage capacity and bundled software:
- Processor: Motorola 68LC040 @ 33 MHz (no FPU)
- RAM: 5 MB (4 MB soldered + 1 MB SIMM), expandable to 36 MB
- Storage: 320 MB SCSI hard drive
- Optical: 2X CD-ROM drive
- Modem: Internal modem (Comm Slot)
- Display: 14" Sony Trinitron CRT (640×480, 256 colors standard)
Bundled Software
[edit | edit source]The Performa 577 shipped with System 7.1.1 (with System Enabler 065) and included:
- ClarisWorks 2.0
- Quicken 4.0
- Grolier's Encyclopedia
- Educational titles
Related Models
[edit | edit source]The Performa 577 shares identical hardware with:
- Macintosh LC 575 – Education market version
- Performa 575 – 250 MB hard drive
- Performa 578 – 8 MB RAM, 320 MB hard drive
General Maintenance
[edit | edit source]The Performa 577 uses the same logic board and components as the LC 575. For maintenance procedures including cleaning, capacitor inspection, and preventive care, refer to Macintosh LC 575 General Maintenance.
Capacitor Replacement Guide
[edit | edit source]Surface-mount electrolytic capacitors on the logic board require replacement due to age-related leakage. For specifications and procedures, see Macintosh LC 575 Capacitor Replacement Guide.
Troubleshooting
[edit | edit source]Common issues including power supply failures, CRT problems, and capacitor-related failures are covered in the Macintosh LC 575 Troubleshooting guide.
Retrobrite
[edit | edit source]The Performa 577's beige plastics yellow from UV exposure. Restoration techniques are detailed on the Retrobrite page.
Technical Details
[edit | edit source]For complete technical specifications including memory maps, I/O details, and custom chip information, see the LC 575 Technical Details section.
Service Documentation
[edit | edit source]The official Apple Service Source documentation for this model:
See Also
[edit | edit source]- Macintosh LC 575 – Base model (education market)
- Macintosh Performa 575 – 250 MB hard drive variant
- Macintosh Performa 578 – 8 MB RAM variant
- Macintosh LC 580 – Successor model