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#REDIRECT [[Macintosh Performa 5260CD]]
{{Infobox computer
| name        = Macintosh Performa 5280
| image        = [[File:Performa5260.jpg]]
| caption      = Macintosh Performa 5280
| manufacturer = Apple Computer, Inc.
| type        = All-in-one Personal Computer
| release date = November 12, 1996
| discontinued = June 1, 1997
| cpu          = PowerPC 603e @ 120 MHz
| memory      = 8 MB or 16 MB RAM (expandable to 64 MB)
| storage      = 1.2 GB IDE hard drive, 8X 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          = System 7.5.3 – Mac OS 9.1
| predecessor  = [[Macintosh Performa 5260CD|Performa 5260CD]]
| successor    = [[Macintosh Performa 5400CD|Performa 5400CD]]
| model        = M5182J/A
}}
The '''Macintosh Performa 5280''' is an all-in-one personal computer manufactured by Apple Computer, Inc., introduced on November 12, 1996.<ref>{{cite web |url=https://everymac.com/systems/apple/mac_performa/specs/mac_performa_5280_120.html |title=Apple Macintosh Performa 5280/120 Specs |publisher=EveryMac.com |access-date=2026-02-10}}</ref> It is a faster variant of the [[Macintosh Performa 5260CD|Performa 5260CD]] with a 120 MHz PowerPC 603e processor and 8X CD-ROM drive, sold exclusively in Japan.
 
The Performa 5280 is identical to the Performa 5260/120, but shipped with a different software bundle. The educational version, the [[Power Macintosh 5260|Power Macintosh 5260/120]], was sold in North America.<ref>{{cite web |url=https://en.wikipedia.org/wiki/Power_Macintosh_5260 |title=Power Macintosh 5260 |publisher=Wikipedia |access-date=2026-02-10}}</ref>
 
== Differences from Performa 5260CD ==
 
The Performa 5280 differs from the base [[Macintosh Performa 5260CD|Performa 5260CD]] in the following ways:
 
* '''CPU Speed:''' 120 MHz (vs 100 MHz)
* '''CD-ROM:''' 8X (vs 4X)
* '''Market:''' Sold exclusively in Japan
* '''Model Number:''' M5182J/A
* '''Introduction:''' November 1996 (vs April 1996)
 
== Architecture and Processor ==
 
The Performa 5280 uses the PowerPC 603e processor running at 120 MHz with a 40 MHz system bus. 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)
 
== Memory and Storage ==
 
=== RAM Configuration ===
{| class="wikitable" style="width:70%; text-align:center;"
|-
! 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:''' 1.2 GB IDE internal drive
* '''Floppy Drive:''' 1.44 MB 3.5" manual-inject
* '''CD-ROM:''' 8X
 
== Display and Graphics ==
 
The Performa 5280 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 ==
 
=== Port Configuration ===
* '''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 ===
* '''LC PDS:''' 1 slot
* '''Comm Slot:''' 1 slot
* '''Video I/O Slot:''' 1 slot
* '''TV Tuner Slot:''' 1 slot
 
== 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.
 
== Capacitor Replacement Guide ==
 
Detailed capacitor replacement guidelines for the logic board can be found on the [[Macintosh Performa 5260CD Capacitor Replacement Guide]] 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 ==
 
<templatestyles src="Template:StyledTable/styles.css" />
 
=== System Architecture at a Glance ===
{| class="wikitable styled-table" style="width:90%; text-align:center;"
! Sub-system !! Specification (Performa 5280, November 1996)
|-
| '''CPU''' || PowerPC 603e @ 120 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, 8X CD-ROM
|-
| '''Ports''' || ADB, SCSI, Serial × 2, Audio I/O
|}
 
== See Also ==
 
* [[Macintosh Performa 5260CD]] — Base model (100 MHz)
* [[Macintosh Performa 5270CD]] — 100 MHz variant (Asia/Europe)
 
== References ==
<references />
 
[[Category:Apple Vintage Computers]]

Revision as of 12:15, 10 February 2026


Macintosh Performa 5280
File:Performa5260.jpg
Macintosh Performa 5280
Specifications
ManufacturerApple Computer, Inc.
TypeAll-in-one Personal Computer
ReleasedNovember 12, 1996
DiscontinuedJune 1, 1997
CPUPowerPC 603e @ 120 MHz
Memory8 MB or 16 MB RAM (expandable to 64 MB)
Storage1.2 GB IDE hard drive, 8X CD-ROM
Display14" Shadow Mask CRT (640×480 at 16-bit color)
Sound16-bit mono sound input
Dimensions17.5" H × 15.1" W × 16.0" D (44.5 × 38.4 × 40.6 cm)
Weight45 lbs (20.4 kg)
OS / FirmwareSystem 7.5.3 – Mac OS 9.1
PredecessorPerforma 5260CD
SuccessorPerforma 5400CD
Model no.M5182J/A

The Macintosh Performa 5280 is an all-in-one personal computer manufactured by Apple Computer, Inc., introduced on November 12, 1996.[1] It is a faster variant of the Performa 5260CD with a 120 MHz PowerPC 603e processor and 8X CD-ROM drive, sold exclusively in Japan.

The Performa 5280 is identical to the Performa 5260/120, but shipped with a different software bundle. The educational version, the Power Macintosh 5260/120, was sold in North America.[2]

Differences from Performa 5260CD

The Performa 5280 differs from the base Performa 5260CD in the following ways:

  • CPU Speed: 120 MHz (vs 100 MHz)
  • CD-ROM: 8X (vs 4X)
  • Market: Sold exclusively in Japan
  • Model Number: M5182J/A
  • Introduction: November 1996 (vs April 1996)

Architecture and Processor

The Performa 5280 uses the PowerPC 603e processor running at 120 MHz with a 40 MHz system bus. 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)

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: 1.2 GB IDE internal drive
  • Floppy Drive: 1.44 MB 3.5" manual-inject
  • CD-ROM: 8X

Display and Graphics

The Performa 5280 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

Port Configuration

  • 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

  • LC PDS: 1 slot
  • Comm Slot: 1 slot
  • Video I/O Slot: 1 slot
  • TV Tuner Slot: 1 slot

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.

Capacitor Replacement Guide

Detailed capacitor replacement guidelines for the logic board can be found on the Macintosh Performa 5260CD Capacitor Replacement Guide 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 5280, November 1996)
CPU PowerPC 603e @ 120 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, 8X CD-ROM
Ports ADB, SCSI, Serial × 2, Audio I/O

See Also

References

  1. ↑ Apple Macintosh Performa 5280/120 Specs, EveryMac.com—link(accessed 2026-02-10)
  2. ↑ Power Macintosh 5260, Wikipedia—link(accessed 2026-02-10)
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