Macintosh Performa 637CD
The Macintosh Performa 637CD is a personal computer manufactured by Apple Computer and released on July 18, 1994.[1] It is the Performa 636CD bundled with a display and a larger hard drive, sold to the higher-education market.
 | |
| Macintosh Performa 637CD | |
| Specifications | |
|---|---|
| Manufacturer | Apple Computer, Inc. |
| Type | Personal Computer |
| Released | July 18, 1994 |
| Discontinued | February 1996 |
| Intro price | US$1,899 |
| CPU | Motorola 68LC040 @ 33 MHz |
| Memory | 4 MB RAM (expandable to 36 MB) |
| Storage | 350 MB IDE hard drive, 2× CD-ROM, 1.44 MB floppy drive |
| Display | Supports up to 832×624 at 8-bit color |
| Sound | Stereo 16-bit sound input/output |
| Dimensions | 4.3" H × 12.6" W × 16.5" D |
| Weight | 19 lbs (8.6 kg) |
| OS / Firmware | System 7.1.2P – Mac OS 8.1 |
| Predecessor | Performa 600CD |
| Successor | Performa 6200CD |
| Codename | Crusader |
| Model no. | M3076 |
Differences from Performa 636CD
edit- Hard Drive: 350 MB (vs. 250 MB)
- Bundle: Included Apple display
Target Market
editLike other 636-series models, the Performa 637CD was available only through higher-education sales channels.[2]
Architecture and Processor
editThe Performa 637CD uses a Motorola 68LC040 processor running at 33 MHz without an integrated FPU.
Memory and Storage
editThe system ships with 4 MB of RAM soldered to the logic board. A single 72-pin SIMM socket allows expansion up to 36 MB total.
Storage includes:
- 350 MB IDE hard drive
- 2× Apple CD 300i plus CD-ROM drive
- 1.44 MB SuperDrive floppy
Display and Graphics
edit1 MB of dedicated DRAM for video. Supported resolutions:
- 512×384, 640×480: 16-bit color
- 800×600, 832×624: 8-bit color
Bundle Contents
editThe Performa 637CD was sold with:
- Apple display
- Keyboard and mouse
- Higher-education software bundle
General Maintenance
editFor maintenance procedures, refer to the Macintosh LC 630 General Maintenance page.
Capacitor Replacement Guide
editSee the Macintosh LC 630 Capacitor Replacement Guide page.
Troubleshooting
editSee the Macintosh LC 630 Troubleshooting page.
Service Documentation
editThe official Apple Service Source documentation for this model: