Macintosh Performa 5270CD
 | |
| Macintosh Performa 5270CD | |
| Specifications | |
|---|---|
| Manufacturer | Apple Computer, Inc. |
| Type | All-in-one Personal Computer |
| Released | April 22, 1996 |
| Discontinued | February 1, 1997 |
| CPU | PowerPC 603e @ 100 MHz |
| Memory | 8 MB RAM (expandable to 64 MB) |
| Storage | 1.2 GB IDE hard drive, 4X CD-ROM |
| Display | 14" Shadow Mask CRT (640×480 at 16-bit color) |
| Sound | 16-bit mono sound input |
| Dimensions | 17.5" H × 15.1" W × 16.0" D (44.5 × 38.4 × 40.6 cm) |
| Weight | 45 lbs (20.4 kg) |
| OS / Firmware | System 7.5.3 – Mac OS 9.1 |
| Predecessor | Performa 5200CD |
| Successor | Performa 5400CD |
| Model no. | M4796J/A |
The Macintosh Performa 5270CD is an all-in-one personal computer manufactured by Apple Computer, Inc., introduced on April 22, 1996.[1] It is identical to the Performa 5260CD but was marketed specifically for Asian and European markets under a different model designation.
The Performa 5270CD features a 100 MHz PowerPC 603e processor with a 1.2 GB hard drive and 4X CD-ROM drive, housed in the same all-in-one chassis as its predecessor, the Performa 5200CD. The educational version, the Power Macintosh 5260/100, was sold in North America and also to the consumer market in Asia and Australia.[2]
Differences from Performa 5260CD
[edit | edit source]The Performa 5270CD is functionally identical to the Performa 5260CD with the same specifications. The only differences are:
- Market: Sold exclusively in Asia and Europe
- Model Number: M4796J/A (Japan)
- Software Bundle: Region-specific bundled software
Architecture and Processor
[edit | edit source]The Performa 5270CD uses the PowerPC 603e processor running at 100 MHz with a 40 MHz system bus.[3] The 603e is a 32-bit processor with a 64-bit data path and includes an integrated floating-point unit.
Cache Configuration
[edit | edit source]- L1 Cache: 32 KB (16 KB instruction + 16 KB data)
- L2 Cache: 256 KB (optional expansion slot)
Memory and Storage
[edit | edit source]RAM Configuration
[edit | edit source]| Specification | Details |
|---|---|
| RAM Type | 72-pin SIMM |
| Minimum Speed | 80 ns |
| Standard RAM | 8 MB |
| Maximum RAM | 64 MB |
| RAM Slots | 2 |
RAM cannot be interleaved on this system. 1 MB of system RAM is permanently dedicated to video function.
Storage Systems
[edit | edit source]- Hard Drive: 1.2 GB IDE internal drive
- Floppy Drive: 1.44 MB 3.5" manual-inject
- CD-ROM: 4X
Display and Graphics
[edit | edit source]The Performa 5270CD features a built-in 14" Shadow Mask RGB CRT display running at 640×480 resolution with 16-bit color. Video memory consists of 1 MB dedicated from system RAM and cannot be expanded.
Input/Output and Expansion
[edit | edit source]Port Configuration
[edit | edit source]- ADB: 1 port for keyboard and mouse
- Serial: 2 ports (printer and modem)
- Audio In: 1 port (16-bit mono)
- Audio Out: 1 port (stereo)
- SCSI: 1 external DB-25 port
Expansion Slots
[edit | edit source]- LC PDS: 1 slot
- Comm Slot: 1 slot
- Video I/O Slot: 1 slot
- TV Tuner Slot: 1 slot
General Maintenance
[edit | edit source]For detailed maintenance practices including cleaning, PRAM battery management, connector corrosion prevention, and voltage adjustments, refer to the dedicated Macintosh Performa 5260CD General Maintenance page.
Capacitor Replacement Guide
[edit | edit source]Detailed capacitor replacement guidelines for the logic board can be found on the Macintosh Performa 5260CD Capacitor Replacement Guide page.
Troubleshooting
[edit | edit source]A comprehensive troubleshooting guide addressing no power, chime but no video, intermittent operation, Sad Mac errors, and floppy drive problems is available on the Macintosh Performa 5260CD Troubleshooting page.
Technical Details
[edit | edit source]System Architecture at a Glance
[edit | edit source]| Sub-system | Specification (Performa 5270CD, April 1996) |
|---|---|
| CPU | PowerPC 603e @ 100 MHz |
| System Bus | 40 MHz |
| ROM | 4 MB |
| RAM | 8-64 MB (72-pin SIMM) |
| Video | 640 × 480 @ 16-bit color |
| VRAM | 1 MB (from system RAM) |
| Sound | 16-bit mono input, stereo output |
| Disks | 1.44 MB floppy, 1.2 GB HDD, 4X CD-ROM |
| Ports | ADB, SCSI, Serial × 2, Audio I/O |
See Also
[edit | edit source]- Macintosh Performa 5260CD — Base model (worldwide)
- Macintosh Performa 5280 — 120 MHz variant (Japan)