Macintosh Performa 450
 | |
| Macintosh Performa 450 | |
| Specifications | |
|---|---|
| Manufacturer | Apple Computer, Inc. |
| Type | Personal Computer |
| Released | April 12, 1993 |
| Discontinued | November 1, 1993 |
| Intro price | US$1,800 |
| CPU | Motorola 68030 @ 25 MHz |
| Memory | 4 MB RAM (expandable to 36 MB) |
| Storage | 120 MB SCSI hard drive, 1.44 MB floppy |
| Display | 512x384-832x624 (up to 16-bit) |
| Sound | 8-bit mono |
| Dimensions | 2.9" H x 12.2" W x 15.3" D |
| Weight | 8.8 lbs (4 kg) |
| OS / Firmware | System 7.1P - 7.6.1 |
| Predecessor | Performa 430 |
| Successor | Performa 460 |
| Model no. | M1254 |
The Macintosh Performa 450 is a consumer-oriented personal computer introduced by Apple Computer on April 12, 1993.[1] It is a rebrand of the LC III for the consumer market, featuring the same hardware in the compact "pizza box" LC enclosure.
The Performa 450 was a significant upgrade from the earlier Performa 400-series models. It uses a Motorola 68030 processor running at 25 MHz with a full 32-bit data path. It shipped with 4 MB of RAM (expandable to 36 MB using a single 72-pin SIMM), 512 KB of VRAM (expandable to 768 KB), and a 120 MB SCSI hard drive.
Specifications
[edit | edit source]| Component | Specification |
|---|---|
| CPU | Motorola 68030 @ 25 MHz (32-bit data path) |
| FPU | None |
| System Bus | 25 MHz |
| ROM | 1 MB |
| RAM | 4 MB onboard (expandable to 36 MB via 72-pin SIMM) |
| VRAM | 512 KB onboard (expandable to 768 KB) |
| Storage | 120 MB SCSI hard drive, 1.44 MB floppy |
| Expansion | 1x LC III PDS slot |
| Ports | ADB, SCSI, 2x Serial (Modem/Printer), Audio out |
| Display | Up to 832x624 @ 8-bit (512 KB), 832x624 @ 16-bit (768 KB) |
| Power | 100V-240V AC, 50 W max |
Relationship to LC III
[edit | edit source]The Performa 450 is identical to the LC III internally. The Performa line was marketed to home consumers through retail channels, while the LC III was sold to educational institutions. The Performa models shipped with bundled software including At Ease, ClarisWorks, and various educational or entertainment titles.
General Maintenance
[edit | edit source]For detailed maintenance procedures including cleaning, PRAM battery management, and connector maintenance, refer to the Macintosh LC III General Maintenance page.
Troubleshooting
[edit | edit source]A troubleshooting guide addressing common issues is available on the Macintosh LC III Troubleshooting page.
Capacitor Replacement Guide
[edit | edit source]Capacitor replacement information for the logic board can be found on the Macintosh LC III Capacitor Replacement Guide page.
Service Documentation
[edit | edit source]The official Apple Service Source documentation for this model: