Editing Macintosh Performa 5420CD

{{Infobox computer
| name         = Macintosh Performa 5420CD
| image        = [[File:Macintosh Performa 5200.jpg]]
| caption      = Macintosh Performa 5420CD
| manufacturer = Apple Computer, Inc.
| type         = All-in-one Personal Computer
| release_date = April 22, 1996
| discontinued = February 1, 1997
| cpu          = PowerPC 603e @ 120 MHz
| memory       = 16 MB RAM (expandable to 136 MB)
| storage      = 1.6 GB IDE hard drive, 4X CD-ROM
| display      = 15" shadow mask CRT (640×480 16-bit, 832×624 8-bit)
| sound        = 16-bit stereo output, 16-bit mono input, SRS surround
| dimensions   = 17.5" H × 15.1" W × 16.0" D (44.5 × 38.4 × 40.6 cm)
| weight       = 47 lbs (21.3 kg)
| os           = System 7.5.3 – Mac OS 9.1
| predecessor  = [[Macintosh Performa 5300|Performa 5300]]
| successor    = [[Macintosh Performa 5500|Performa 5500]]
| codename     = Alchemy
| model        = M3046
}}
The '''Macintosh Performa 5420CD''' is an all-in-one personal computer manufactured by Apple Computer, Inc., introduced on April 22, 1996. It is a regional variant of the [[Macintosh Performa 5400CD|Performa 5400CD]] sold exclusively in Asia.

The Performa 5420CD is functionally identical to the [[Macintosh Performa 5410CD|Performa 5410CD]], differing only in its region-specific software bundle and model designation. Both models share the same Alchemy logic board and 120 MHz PowerPC 603e processor.

== Differences from Performa 5400CD ==

The Performa 5420CD differs from the [[Macintosh Performa 5400CD|Performa 5400CD]] in the following ways:

* '''Market:''' Asia only
* '''Software Bundle:''' Region-specific bundled software

All hardware specifications are identical to the Performa 5410CD.

== Architecture and Processor ==

The Performa 5420CD uses a PowerPC 603e processor running at 120 MHz on a 40 MHz system bus. The 603e is a 32-bit processor with a 64-bit data path and integrated floating-point unit.

=== Cache Configuration ===
* '''L1 Cache:''' 32 KB (16 KB instruction, 16 KB data)
* '''L2 Cache:''' 256 KB (optional)

== Memory and Storage ==

=== RAM Configuration ===
{| class="wikitable" style="width:70%; text-align:center;"
|-
! Specification !! Details
|-
| '''RAM Type''' || 168-pin DIMM
|-
| '''Minimum Speed''' || 70 ns
|-
| '''Motherboard RAM''' || 8 MB soldered
|-
| '''Standard RAM''' || 16 MB
|-
| '''Maximum RAM''' || 136 MB
|-
| '''RAM Slots''' || 2
|}

=== Storage Systems ===
* '''Hard Drive:''' 1.6 GB IDE internal drive
* '''Floppy Drive:''' 1.44 MB 3.5" manual-eject
* '''CD-ROM:''' 4X

== Display and Graphics ==

The built-in 15" shadow mask CRT supports:
* 640×480 at 16-bit color
* 800×600 at 16-bit color
* 832×624 at 8-bit color

== General Maintenance ==

For detailed maintenance practices, refer to the dedicated [[Macintosh Performa 5400CD General Maintenance]] page.

== Capacitor Replacement Guide ==

Detailed capacitor replacement guidelines can be found on the [[Macintosh Performa 5400CD Capacitor Replacement Guide]] page.

== Troubleshooting ==

A comprehensive troubleshooting guide is available on the [[Macintosh Performa 5400CD Troubleshooting]] page.

== See Also ==

* [[Macintosh Performa 5400CD]] — Base model
* [[Macintosh Performa 5410CD]] — Europe variant
* [[Macintosh Performa 5430]] — 160 MHz variant

== References ==
<references />

[[Category:Apple Vintage Computers]]