Editing Macintosh Performa 636

{{Infobox computer
| name         = Macintosh Performa 636
| image        = [[File:Macintosh_LC_630.jpg]]
| caption      = Macintosh Performa 636
| manufacturer = Apple Computer, Inc.
| type         = Personal Computer
| release date = July 18, 1994
| discontinued = February 1996
| price        = US$1,349
| cpu          = Motorola 68LC040 @ 33 MHz
| memory       = 4 MB RAM (expandable to 36 MB)
| storage      = 250 MB IDE hard drive, 1.44 MB floppy drive
| display      = Supports up to 832×624 at 8-bit color
| sound        = Stereo 16-bit sound input/output
| dimensions   = 4.3" H × 12.6" W × 16.5" D
| weight       = 19 lbs (8.6 kg)
| os           = System 7.1.2P – Mac OS 8.1
| predecessor  = [[Macintosh Performa 600|Performa 600]]
| successor    = [[Macintosh Performa 6200|Performa 6200]]
| codename     = Crusader
| model        = M3076
}}
The '''Macintosh Performa 636''' is a personal computer manufactured by Apple Computer and released on July 18, 1994.<ref>{{cite web |url=https://support.apple.com/kb/SP221 |title=Macintosh Performa 636: Technical Specifications |publisher=Apple Inc. |access-date=2026-02-10}}</ref> It is a rebrand of the [[Macintosh LC 630]] sold exclusively to the higher-education market.

The Performa 636 was the lowest-priced model in the 630 series, lacking a CD-ROM drive and sold without a bundled display.

== Target Market ==
Unlike other Performa models sold through consumer retail channels, the Performa 636 was available only through higher-education sales channels (colleges and universities).<ref>{{cite web |url=https://en.wikipedia.org/wiki/Macintosh_Quadra_630 |title=Macintosh Quadra 630 |publisher=Wikipedia |access-date=2026-02-10}}</ref>

== Architecture and Processor ==
The Performa 636 uses a Motorola 68LC040 processor running at 33 MHz. The system bus operates at 33 MHz.

== Memory and Storage ==
The system ships with 4 MB of RAM soldered to the logic board. A single 72-pin SIMM socket allows expansion up to 36 MB total using 80 ns non-parity SIMMs.

Storage includes a 250 MB IDE hard drive and 1.44 MB SuperDrive floppy. No CD-ROM drive is included.

== Display and Graphics ==
1 MB of dedicated DRAM for video. Supported resolutions:
* 512×384, 640×480: 16-bit color
* 800×600, 832×624: 8-bit color

== Variants ==
* [[Macintosh Performa 636CD|Performa 636CD]] – Added 2× CD-ROM drive
* [[Macintosh Performa 637CD|Performa 637CD]] – 636CD with display bundle

== General Maintenance ==
For maintenance procedures, refer to the [[Macintosh LC 630 General Maintenance]] page.

== Capacitor Replacement Guide ==
See the [[Macintosh LC 630 Capacitor Replacement Guide]] page.

== Troubleshooting ==
See the [[Macintosh LC 630 Troubleshooting]] page.

== Service Documentation ==

The official Apple Service Source documentation for this model:

<pdf width="800" height="500">File:Performa_630_series.pdf</pdf>

== See Also ==
* [[Macintosh LC 630]]
* [[Macintosh Performa 630]]

== References ==
<references />

[[Category:Apple Vintage Computers]]