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

Latest revision as of 12:13, 10 February 2026

Macintosh Performa 631CD
Macintosh Performa 631CD
Specifications
ManufacturerApple Computer, Inc.
TypePersonal Computer
ReleasedJuly 17, 1995
DiscontinuedFebruary 1996
Intro priceUS$1,699
CPUMotorola 68LC040 @ 33 MHz
Memory8 MB RAM (expandable to 52 MB)
Storage500 MB IDE hard drive, 2ร— CD-ROM, 1.44 MB floppy drive
DisplaySupports up to 832ร—624 at 8-bit color
SoundStereo 16-bit sound input/output
Dimensions4.3" H ร— 12.6" W ร— 16.5" D
Weight19 lbs (8.6 kg)
OS / FirmwareSystem 7.1.2P โ€“ Mac OS 8.1
PredecessorPerforma 630CD
SuccessorPerforma 6200CD
CodenameCrusader
Model no.M3076

The Macintosh Performa 631CD is a consumer-oriented personal computer manufactured by Apple Computer and released on July 17, 1995.[1] It is an enhanced variant of the Performa 630CD, featuring double the RAM, a larger hard drive, and bundled peripherals.

The Performa 631CD was sold as a complete system bundle including a modem and display, making it a turnkey solution for home users.

Differences from Performa 630CD

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  • RAM: 8 MB standard (vs. 4 MB)
  • RAM Slots: Two 72-pin SIMM sockets (vs. one)
  • Hard Drive: 500 MB (vs. 250 MB)
  • Bundle: Included modem and display

Architecture and Processor

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The Performa 631CD uses a Motorola 68LC040 processor running at 33 MHz without an integrated FPU. The system bus operates at 33 MHz.

Memory and Storage

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RAM Configuration

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The system ships with 8 MB of RAM (4 MB soldered, 4 MB SIMM). The logic board has two 72-pin SIMM sockets, allowing expansion up to 52 MB total. 80 ns non-parity SIMMs are required.[2]

Storage Systems

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  • 500 MB IDE hard drive
  • 2ร— Apple CD 300i plus CD-ROM drive
  • 1.44 MB SuperDrive floppy

Display and Graphics

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1 MB of dedicated DRAM for video. Supported resolutions:

  • 512ร—384, 640ร—480: 16-bit color
  • 800ร—600, 832ร—624: 8-bit color

Bundle Contents

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The Performa 631CD was sold with:

  • 14.4k modem
  • Apple display
  • Keyboard and mouse
  • Consumer software bundle (ClarisWorks, At Ease, etc.)

General Maintenance

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

Capacitor Replacement Guide

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See the Macintosh LC 630 Capacitor Replacement Guide page.

Troubleshooting

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See the Macintosh LC 630 Troubleshooting page.

Service Documentation

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The official Apple Service Source documentation for this model:

See Also

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References

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  1. โ†‘ Macintosh Quadra 630, Wikipediaโ€”link(accessed 2026-02-10)
  2. โ†‘ Performa 630 and LC 630, Low End Macโ€”link(accessed 2026-02-10)