Macintosh Performa 631CD Specs @ EveryMac.com

Apple Macintosh Performa 631CD Specs

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The Apple Macintosh Performa 631CD features a 33 MHz 68LC040 processor, 8 MB of RAM, a 500 MB hard drive, and a 2X CD-ROM drive in a compact desktop case.

The Performa 631CD looks externally identical to the Performa 630CD, and is similar internally as well, but the 631CD has two RAM slots (rather than one) and originally shipped with a 15" color Apple monitor.

To purchase or upgrade a vintage Mac -- as well as newer Macs -- see site sponsor OHS.

Click on the underlined category text for related details. The most commonly needed info is "open" by default, but all info is important.

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Introduction Date:

July 18, 1994

Discontinued Date:

July 1, 1995

Details:

The "Introduction Date" refers to the date a model was introduced via press release. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended.

Also see: All Macs introduced in 1994.

Processor Speed:

33 MHz*

Processor Type:

68LC040

Details:

*This model has a 32-bit processor and a 32-bit data path. Sometimes this model is designated as having a 66 MHz processor, since the clock input runs at 66 MHz. However, the processor itself is not "clock doubled," so technically it only is a 33 MHz processor.

Processor Upgrade:

N/A

FPU:

None

Details:

N/A

System Bus Speed:

33 MHz

Cache Bus Speed:

N/A

Details:

N/A

ROM/Firmware Type:

Macintosh ROM

ROM/Firmware Size:

1 MB

Details:

N/A

L1 Cache:

L2 Cache:

N/A

Details:

N/A

RAM Type:

72-pin SIMM

Min. RAM Speed:

80 ns

Details:

N/A

Standard RAM:

8 MB

Maximum RAM:

52 MB*

Details:

*This model can support up to 52 MB of RAM with one 32 MB SIMM, one 16 MB SIMM and the 4 MB of onboard RAM.

Motherboard RAM:

4 MB

RAM Slots:

Details:

*The first SIMM slot supports a 32 MB double-sided SIMM, but the second slot only supports a single-sided SIMM, so capacities are limited to 1 MB, 4 MB or 16 MB in the second slot.

Video Card:

Dedicated*

VRAM Type:

Onboard*

Details:

*1 MB of onboard 60 ns DRAM is dedicated to video function.

Standard VRAM:

1 MB

Maximum VRAM:

1 MB

Details:

The onboard VRAM cannot be upgraded.

Display Support:

Single Display*

Resolution Support:

640x480*

Details:

*By default, this model only supports a single display, but a second one can be supported with the addition of an LC PDS video card. With the internal VRAM, the system is capable of supporting 512x384 and 640x480 at 16-bit color and 800x600 and 832x624 at 8-bit color.

Standard Hard Drive:

500 MB

Int. HD Interface:

IDE

Details:

By default, this model is configured with a 500 MB internal IDE hard drive. It does not support an internal SCSI hard drive.

Standard Optical:

2X CD-ROM

Standard Disk:

1.44 MB (Manual)

Details:

N/A

Standard Modem:

None

Standard Ethernet:

None

Details:

N/A

Expansion Slots:

1 LC PDS, Comm, Video I/O, TV*

Expansion Bays:

None

Details:

*This model has a single LC PDS, Comm, TV, and both video input and video output expansion slots.

Case Type:

Desktop

Form Factor:

Macintosh Quadra 630

Details:

N/A

Apple Order No:

M4148LL/A*

Apple Subfamily:

Mac Performa 631CD

Details:

*M4148LL/A and M4148LL/B both refer to this model, which varied by location sold.

Apple Model No:

M3076

Gestalt ID:

Details:

Please note that these identifiers commonly refer to multiple models.

Battery Type:

4.5V Alkaline

Battery Life:

N/A

Details:

N/A

Original Mac OS:

7.5.1

Supported Mac OS:

7.5.1, 7.5.3-8.1

Details:

Earlier and later versions of the Macintosh System/Finder and Mac OS are not supported.

For systems capable of running older versions of the Mac OS -- as well as modern ones -- please see site sponsor OHS. OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.

Dimensions:

4.3 x 12.6 x 16.5

Avg. Weight:

19.0 lbs (8.6 kg)

Details:

In inches - height by width by depth, (10.9 cm, 32 cm, 41.9 cm).

Original Price:

US$1600

Est. Current Retail:

N/A

Details:

Photo Credit: Apple Computer, Inc.

Click on the underlined category text for additional details. The most commonly needed info is "open" by default, but all info is important. The icons correspond with the icons for each port on the computer.

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Video (Monitor):

1 (DB-15)

Floppy (Ext.):

None

Details:

N/A

ADB:

SCSI:

1 (DB-25)

Details:

N/A

Serial (Standard):

Serial (Geoport):

None

Details:

Serial ports are marked by printer and modem icons.

Modem:

None*

Ethernet:

None*

Details:

*By default, no modem or Ethernet is provided. However, an optional 14.4k modem and AAUI-15 Ethernet card were offered.

S-Video Input:

None*

S-Video Output:

None*

Details:

*By default, S-video input and output were not provided. However, video input and output were offered via expansion cards.

Microphone:

1 (PlainTalk)

Sound In:

None

Details:

N/A

Sound Out:

1 (8-Bit Stereo)

Headphone:

1 (Front-Mounted)

Details:

N/A

Security (Lock):

Joystick (PC):

None

Details:

N/A

FM Tuner:

None

TV Tuner:

None

Details:

N/A

Power:

Power Adapter:

N/A

Details:

100V-240V AC, 50-60 Hz Frequency, 45 Max Watts.

Icon Credit: Apple Computer, Inc.

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