Macintosh Performa 5260CD: Difference between revisions
Verify against Apple's Power Macintosh/Performa 5260, 5280 Series Service Source (hosted): the DRAM minimum is 16 MB, not 8 MB (8 MB is the 5200 and 5300 figure); corrected the case dimensions (width 16 in, depth 15.1 in - they were transposed); stated the sound properly (16-bit mono in, 16-bit stereo out at 0.5 V RMS into 39 ohms, 16-bit stereo speakers) where only the input was given; added Apple's full electrical figures - 240 W and 4.0 A maximum for this family against 125 W and 2.5 A for... |
House rule: reword in-article correction narratives so they describe the claim in circulation and what the source says, rather than the page's own edit history. The corrections themselves are recorded in the edit summaries |
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* '''CPU''' PowerPC 603e at 100 MHz (5260/100) or 120 MHz (5260/120), 64-bit PowerPC bus; '''ROM 4 MB'''; '''256K level 2 cache'''; '''1 MB DRAM frame buffer''' on board for video | * '''CPU''' PowerPC 603e at 100 MHz (5260/100) or 120 MHz (5260/120), 64-bit PowerPC bus; '''ROM 4 MB'''; '''256K level 2 cache'''; '''1 MB DRAM frame buffer''' on board for video | ||
* '''DRAM 16 MB minimum''', expandable to 64 MB (72-pin, 80 ns or faster). '''An 8 MB figure | * '''DRAM 16 MB minimum''', expandable to 64 MB (72-pin, 80 ns or faster). '''An 8 MB figure circulates for this machine; that is the 5200 and 5300 minimum, not this family's'''<ref name="ss5260">Apple Computer, ''Power Macintosh/Performa 5260, 5280 Series Service Source'' ([[Power Macintosh/Performa 5260, 5280 Series Service Source]], [[:File:Powermac.perf_5260.5280.pdf]]), Specifications, Adjustments (Geometry, Video) and Additional Procedures, Battery Verification (below 3.0 V, replace the battery).</ref> | ||
* '''Dimensions''' 17.5 in (445 mm) H × '''16 in (406 mm) W''' × '''15.1 in (383 mm) D'''. Several pages on this wiki had the width and depth transposed | * '''Dimensions''' 17.5 in (445 mm) H × '''16 in (406 mm) W''' × '''15.1 in (383 mm) D'''. Several pages on this wiki had the width and depth transposed | ||
* '''Line voltage''' 100–240 VAC; '''frequency''' 47–63 Hz; '''power 240 W maximum''' | * '''Line voltage''' 100–240 VAC; '''frequency''' 47–63 Hz; '''power 240 W maximum''' | ||
Revision as of 12:40, 27 September 2026
 | |
| Macintosh Performa 5260CD | |
| Specifications | |
|---|---|
| Manufacturer | Apple Computer, Inc. |
| Type | All-in-one Personal Computer |
| Released | April 22, 1996 |
| Discontinued | February 1, 1997 |
| Intro price | US$1,900 |
| CPU | PowerPC 603e @ 100 MHz |
| Memory | 16 MB RAM minimum, expandable to 64 MB (Apple's figure) |
| Storage | 800 MB or 1.2 GB IDE hard drive, 4X CD-ROM |
| Display | 14" Shadow Mask CRT (640×480 at 16-bit color) |
| Sound | 16-bit monophonic input, 16-bit stereo output at nominally 0.5 V RMS into 39 Ω; internal speakers deliver 16-bit stereo (Apple's figures) |
| Dimensions | 17.5" H × 16.0" W × 15.1" D (445 × 406 × 383 mm) |
| Weight | 45 lbs (20.4 kg) |
| OS / Firmware | System 7.5.3 – Mac OS 9.1 |
| Predecessor | Performa 5200CD |
| Successor | Performa 5400CD |
| Model no. | M3457 |
The Macintosh Performa 5260CD is an all-in-one personal computer manufactured by Apple Computer, Inc., introduced on April 22, 1996.[1] It features a 100 MHz PowerPC 603e processor in the same all-in-one chassis as its predecessor, the Performa 5200CD.
The Performa 5260 series replaced the PowerPC 603 CPU with the improved 603e. The system shares its logic board and form factor with the education-market Power Macintosh 5260/100 and various regional variants sold under different model numbers.[2]
Model Variants
The Performa 5260 family includes several regional and speed variants:
| Model | CPU Speed | Hard Drive | CD-ROM | Introduction | Region |
|---|---|---|---|---|---|
| Performa 5260CD | 100 MHz | 800 MB or 1.2 GB | 4X | April 22, 1996 | Worldwide |
| Performa 5270CD | 100 MHz | 1.2 GB | 4X | April 22, 1996 | Asia, Europe |
| Performa 5280 | 120 MHz | 1.2 GB | 8X | November 12, 1996 | Japan |
The Performa 5270CD is identical to the 5260CD with a different model designation for Asian and European markets. The Performa 5280 is a later variant with a faster 120 MHz CPU and 8X CD-ROM drive, sold exclusively in Japan.
Architecture and Processor
The Performa 5260CD 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
- L1 Cache: 32 KB (16 KB instruction + 16 KB data)
- L2 Cache: 256 KB (optional expansion slot)
ROM
The system includes 4 MB of ROM in a "New World" ROM-in-RAM configuration.
Memory and Storage
RAM Configuration
| Specification | Details |
|---|---|
| RAM Type | 72-pin SIMM |
| Minimum Speed | 80 ns |
| Standard RAM | 8 MB or 16 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
- Hard Drive: 800 MB or 1.2 GB IDE internal drive
- Floppy Drive: 1.44 MB 3.5" manual-inject
- CD-ROM: 4X (5260CD/5270CD) or 8X (5280)
The system uses an IDE interface for the hard drive; internal SCSI hard drives are not supported.
Display and Graphics
The Performa 5260CD features a built-in 14" Shadow Mask RGB CRT display running at 640×480 resolution with 16-bit color (thousands of colors). Video memory consists of 1 MB dedicated from system RAM and cannot be expanded.[4]
An external display can be connected via an optional LC PDS video card.
Audio Capabilities
The system provides 16-bit mono sound input through the rear audio input jack. Standard Macintosh sound output is provided through built-in speakers and a rear audio output jack.
Input/Output and Expansion
Port Configuration
| Port Type | Quantity | Notes |
|---|---|---|
| ADB | 1 | Apple Desktop Bus for keyboard and mouse |
| Serial | 2 | Printer and modem ports (no hardware handshaking) |
| Audio In | 1 | 16-bit mono |
| Audio Out | 1 | Stereo |
| SCSI | 1 | External DB-25 SCSI port |
| Video Out | 1 | Optional DB-15 (via expansion) |
The serial ports do not support hardware handshaking, limiting external modem speeds to 9600 bps.
Expansion Slots
- LC PDS: 1 slot for Processor Direct Slot cards
- Comm Slot: 1 slot for communication cards
- Video I/O Slot: 1 slot for video input/output cards
- TV Tuner Slot: 1 slot for optional TV tuner
General Maintenance
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.
PCB Schematics & Service Manual
The Performa 5260 shares its logic board with the Power Macintosh 5260 series.
Apple Service Manual
The official Apple Service Source documentation covers both the Power Macintosh 5260 and Performa 5260/5280 series.
All Apple Service Manuals can be found on the Apple Service Source page.
Capacitor Replacement Guide
Detailed capacitor replacement guidelines for the logic board can be found on the Macintosh Performa 5260CD Capacitor Replacement Guide page.
Retrobrite
To address plastic yellowing, detailed instructions can be found on the Retrobrite page.
Troubleshooting
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
System Architecture at a Glance
| Sub-system | Specification (Performa 5260CD, April 1996) |
|---|---|
| CPU | PowerPC 603e @ 100 MHz |
| Bus width | 32-bit data • 64-bit data path |
| 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, 800 MB-1.2 GB HDD, 4X CD-ROM |
| Ports | ADB, SCSI, Serial × 2, Audio I/O |
Power Specifications
| Specification | Value |
|---|---|
| Input Voltage | 110V-240V AC |
| Frequency | 50-60 Hz |
| Maximum Wattage | 125 W |
Apple's chassis, electrical and environmental figures
- CPU PowerPC 603e at 100 MHz (5260/100) or 120 MHz (5260/120), 64-bit PowerPC bus; ROM 4 MB; 256K level 2 cache; 1 MB DRAM frame buffer on board for video
- DRAM 16 MB minimum, expandable to 64 MB (72-pin, 80 ns or faster). An 8 MB figure circulates for this machine; that is the 5200 and 5300 minimum, not this family's[5]
- Dimensions 17.5 in (445 mm) H × 16 in (406 mm) W × 15.1 in (383 mm) D. Several pages on this wiki had the width and depth transposed
- Line voltage 100–240 VAC; frequency 47–63 Hz; power 240 W maximum
- Surge voltage 300 V rms for 100 ms; peak inrush current 40 A pk; current 4.0 A maximum for all line and load conditions; 220 W maximum for all line and load conditions[5]
- Operating 10–40 °C; transit (72 h) −40 to +65 °C; storage (6 months) −40 to +47 °C; humidity 20–95 % non-condensing; altitude 0–10,000 ft
- PRAM battery 3.6 V ½AA lithium; Apple: replace below 3.0 V. Neutralise lithium leakage with bicarbonate of soda, not vinegar[5]
Apple's own weight figure for this chassis is internally contradictory and should not be quoted. It prints "Without CD-ROM: 17 lb. With CD-ROM: 19 lb. (21.15 kg)" — 19 lb is 8.6 kg, not 21.15 kg, and 17/19 lb is what the LC 630 volume gives for a much smaller machine. The 21 kg / ~47 lb figure is the plausible one for a 15-inch all-in-one, and that is what this page carries, but it is flagged rather than presented as Apple's.
Apple's built-in display figures for the 5260 and 5280: 14-inch shadow mask, 12.8-inch viewable; dot pitch 0.28 mm; vertical frequency 66.7 Hz; active raster 9.5 × 7.3 in; white point 9,300 K; shipping brightness 25 foot-lamberts; aluminised P22 phosphor. Apple gives one video mode: 640 × 480 at 16-bit colour. Note the 14-inch tube — the 5200 and 5300 are 15-inch, and the two families are otherwise very similar.
There is no high-voltage adjustment for this family. Apple publishes one for the 5200 and 5300 and marks every page of it "not for 5260, 5280". The Adjustments chapter here is Geometry and Video only, and Apple publishes no rail tolerance and no power-supply adjustment. The "+5 V 4.85–5.15 V / +12 V 11.90–12.75 V" pair that circulates on this wiki is Apple's Macintosh Plus and 128K/512K procedure with voltage test cable 077-0135.[5]
Note also the different supply rating. Apple gives this family 240 W and 4.0 A maximum against 125 W and 2.5 A for the 5200 and 5300, in the same-looking chassis — so a 5200-series supply is not a drop-in for a 5260.
References
- ↑ Apple Macintosh Performa 5260CD Specs, EveryMac.com—link(accessed 2026-02-10)
- ↑ Power Macintosh 5260, Wikipedia—link(accessed 2026-02-10)
- ↑ Macintosh Performa 5260CD: Technical Specifications, Apple Inc.—link(accessed 2026-02-10)
- ↑ Apple Macintosh Performa 5260CD Specs, EveryMac.com—link(accessed 2026-02-10)
- ↑ 5.0 5.1 5.2 5.3 Apple Computer, Power Macintosh/Performa 5260, 5280 Series Service Source (Power Macintosh/Performa 5260, 5280 Series Service Source, File:Powermac.perf_5260.5280.pdf), Specifications, Adjustments (Geometry, Video) and Additional Procedures, Battery Verification (below 3.0 V, replace the battery).