Editing Power Macintosh 5260

{{Infobox computer
| name         = Power Macintosh 5260
| image        = [[File:PowerMacintosh_5260.jpg]]
| caption      = Power Macintosh 5260
| manufacturer = Apple Computer, Inc.
| type         = All-in-one Personal Computer
| release date = March 10, 1996
| discontinued = March 1, 1997
| price        = Education only (North America)
| cpu          = PowerPC 603e @ 100–120 MHz
| memory       = 8–16 MB RAM (expandable to 64 MB)
| storage      = 800 MB–1.2 GB IDE hard drive, 1.44 MB floppy, 4X–8X CD-ROM
| display      = Built-in 14" shadow mask CRT (640×480)
| sound        = Stereo 16-bit output, mono 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           = Mac OS 7.5.3 – 9.1
| predecessor  = [[Power Macintosh 5200]]
| successor    = [[Power Macintosh 5400]]
| codename     = 
| model        = M3457
}}
The '''Power Macintosh 5260''' is an all-in-one personal computer introduced by Apple Computer on March 10, 1996.<ref>{{cite web |url=https://everymac.com/systems/apple/powermac/specs/powermac_5260_100.html |title=Power Macintosh 5260/100 Specs |publisher=EveryMac.com |access-date=2026-02-10}}</ref> It features a PowerPC 603e processor and a built-in 14" shadow mask color CRT display in a compact all-in-one case. In North America, the Power Macintosh 5260 was sold exclusively to the educational market, while the consumer version was branded as the [[Macintosh Performa 5260CD|Performa 5260CD]].

== Model Variants ==

The Power Macintosh 5260 was available in two processor configurations:

{| class="wikitable" style="width:70%;"
|-
! Model !! Order Number !! Release !! Processor !! Standard RAM !! Hard Drive !! CD-ROM !! Market
|-
| 5260/100 || M4982LL/A || March 1996 || 100 MHz || 8–16 MB || 800 MB || 4X || Education (NA), Consumer (Asia/Australia)
|-
| 5260/120 || M5233LL/A || September 1996 || 120 MHz || 16 MB || 1.2 GB || 8X || Education only
|}

=== Related Models ===
* '''Performa 5260CD:''' Consumer version with bundled software
* '''Performa 5260/120:''' Consumer version of the 120 MHz model

== Architecture and Processor ==

The Power Macintosh 5260 uses the PowerPC 603e processor, a low-power variant designed for cost-effective and all-in-one systems.<ref>{{cite web |url=https://everymac.com/systems/apple/powermac/specs/powermac_5260_120.html |title=Power Macintosh 5260/120 Specs |publisher=EveryMac.com |access-date=2026-02-10}}</ref>

=== Processor Specifications ===
* '''Processor:''' PowerPC 603e
* '''Clock Speed:''' 100 MHz or 120 MHz
* '''Architecture:''' 32-bit processor with 64-bit data path
* '''FPU:''' Integrated
* '''System Bus:''' 40 MHz

=== Cache Configuration ===
* '''L1 Cache:''' 32 KB (on-die)
* '''L2 Cache:''' 256 KB (optional)

=== ROM ===
* '''ROM Size:''' 4 MB
* '''ROM Type:''' Macintosh ROM

== Memory and Storage ==

=== RAM Configuration ===
* '''RAM Type:''' 72-pin SIMM (80 ns minimum)
* '''RAM Slots:''' 2
* '''Standard RAM:''' 8–16 MB (varies by configuration)
* '''Maximum RAM:''' 64 MB
* '''Interleaving:''' Not supported

=== Storage Systems ===
* '''Hard Drive:''' 800 MB or 1.2 GB IDE
* '''Hard Drive Interface:''' IDE
* '''Floppy Drive:''' 1.44 MB 3.5" (manual eject)
* '''CD-ROM:''' 4X or 8X (varies by configuration)

== Display and Graphics ==

The Power Macintosh 5260 features an integrated 14" shadow mask CRT display with dedicated video memory shared from system RAM.

=== Display Specifications ===
* '''Display Size:''' 14" diagonal
* '''Display Type:''' Shadow mask RGB CRT
* '''Resolution:''' 640×480
* '''Color Depth:''' 16-bit (thousands of colors)
* '''Video RAM:''' 1 MB (from system RAM)
* '''External Monitor:''' Supported via LC PDS video card

== Audio Capabilities ==

* '''Audio Output:''' Stereo 16-bit
* '''Audio Input:''' Mono 16-bit
* '''Built-in Speakers:''' Yes

== Input/Output and Expansion ==

=== Port Configuration ===
* '''Serial Ports:''' 2 (printer and modem)
* '''ADB Ports:''' 1× Apple Desktop Bus
* '''Audio:''' Stereo out, mono in
* '''Video Out:''' Optional (via LC PDS card)

=== Expansion Slots ===
* '''LC PDS Slot:''' 1
* '''Comm Slot:''' 1
* '''Video Input Slot:''' 1
* '''Video Output Slot:''' 1
* '''TV Tuner Slot:''' 1

=== Networking ===
* '''Ethernet:''' 10Base-T available as optional upgrade

== General Maintenance ==

For detailed maintenance practices including cleaning, PRAM battery management, connector corrosion prevention, and CRT safety procedures, refer to the dedicated [[Power Macintosh 5260 General Maintenance]] page.

== Troubleshooting ==

A comprehensive troubleshooting guide addressing common issues such as power problems, startup failures, and video issues is available on the [[Power Macintosh 5260 Troubleshooting]] page.

== Capacitor Replacement Guide ==

Detailed capacitor replacement guidelines can be found on the [[Power Macintosh 5260 Capacitor Replacement Guide]] page.

== Specifications ==

Full technical specifications are available on the [[Power Macintosh 5260 Specifications]] 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 (Power Macintosh 5260, 1996–1997)
|-
| '''CPU''' || PowerPC 603e @ 100–120 MHz
|-
| '''Bus width''' || 32-bit processor, 64-bit data path
|-
| '''System Bus''' || 40 MHz
|-
| '''ROM''' || 4 MB
|-
| '''RAM''' || 8–16 MB standard (64 MB max)
|-
| '''Display''' || Built-in 14" CRT, 640×480 @ 16-bit
|-
| '''Video''' || 1 MB shared RAM
|-
| '''Sound''' || Stereo 16-bit output, mono input
|-
| '''Storage''' || 800 MB–1.2 GB IDE, 4X–8X CD-ROM
|-
| '''Expansion''' || LC PDS, Comm, Video I/O, TV
|}

== See Also ==

* [[Power Macintosh 5200]]
* [[Power Macintosh 5400]]
* [[Macintosh Performa 5260CD]]

== References ==
<references />

[[Category:Apple Vintage Computers]]