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#REDIRECT [[Macintosh Performa 5260CD]]
{{Infobox computer
| name        = Macintosh Performa 5270CD
| image        = [[File:Performa5260.jpg]]
| caption      = Macintosh Performa 5270CD
| manufacturer = Apple Computer, Inc.
| type        = All-in-one Personal Computer
| release date = 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          = System 7.5.3 – Mac OS 9.1
| predecessor  = [[Macintosh Performa 5200CD|Performa 5200CD]]
| successor    = [[Macintosh Performa 5400CD|Performa 5400CD]]
| model        = M4796J/A
}}
The '''Macintosh Performa 5270CD''' is an all-in-one personal computer manufactured by Apple Computer, Inc., introduced on April 22, 1996.<ref>{{cite web |url=https://everymac.com/systems/apple/mac_performa/specs/mac_performa_5270cd.html |title=Apple Macintosh Performa 5270CD Specs |publisher=EveryMac.com |access-date=2026-02-10}}</ref> It is identical to the [[Macintosh Performa 5260CD|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 [[Macintosh Performa 5200CD|Performa 5200CD]]. The educational version, the [[Power Macintosh 5260|Power Macintosh 5260/100]], was sold in North America and also to the consumer market in Asia and Australia.<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 5270CD is functionally identical to the [[Macintosh Performa 5260CD|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 ==
 
The Performa 5270CD uses the PowerPC 603e processor running at 100 MHz with a 40 MHz system bus.<ref>{{cite web |url=https://everymac.com/systems/apple/mac_performa/specs/mac_performa_5270cd.html |title=Apple Macintosh Performa 5270CD Specs |publisher=EveryMac.com |access-date=2026-02-10}}</ref> 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
|-
| '''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:''' 4X
 
== Display and Graphics ==
 
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 ==
 
=== 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 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 ==
 
* [[Macintosh Performa 5260CD]] — Base model (worldwide)
* [[Macintosh Performa 5280]] — 120 MHz variant (Japan)
 
== References ==
<references />
 
[[Category:Apple Vintage Computers]]
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