Macintosh Performa 577 Specs @ EveryMac.com

Apple Macintosh Performa 577 Specs

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The Apple Macintosh Performa 577 features a 33 MHz 68LC040 processor, 5 MB of RAM, a 320 MB hard drive, and a 2X CD-ROM drive in a relatively compact all-in-one case with a 14" color display. The Performa 577 is identical to the Performa 575, except that the 577 shipped with a 320 MB hard drive.

The educational version of the Performa 577 is the LC 575.

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:

February 1, 1994

Discontinued Date:

April 1, 1996

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:

5 MB

Maximum RAM:

36 MB

Details:

This model can be upgraded to 36 MB of RAM with a single 32 MB SIMM.

Motherboard RAM:

4 MB

RAM Slots:

Details:

N/A

Video Card:

Dedicated*

VRAM Type:

VRAM SIMM*

Details:

*This model has slots for two 80 ns VRAM SIMMs.

Standard VRAM:

512k*

Maximum VRAM:

1 MB*

Details:

*By default, 512k of VRAM is installed as two 256k VRAM SIMMs. The VRAM can be upgraded to 1 MB by installing two 512k VRAM SIMMs.

Built-in Display:

14" Color

Native Resolution:

640x480

Details:

14" Sony Trinitron RGB display. By default, it can support 8-bit color. Upgrading the VRAM to 1 MB allows the system to support 16-bit color.

Standard Hard Drive:

320 MB

Int. HD Interface:

SCSI

Details:

By default, this model is configured with a 320 MB internal SCSI hard drive.

Standard Optical:

2X CD-ROM

Standard Disk:

1.44 MB (Manual)

Details:

N/A

Standard Modem:

14.4k (Internal)

Standard Ethernet:

None

Details:

N/A

Expansion Slots:

1 LC PDS, Comm

Expansion Bays:

None

Details:

N/A

Case Type:

All-in-One

Form Factor:

Macintosh LC 520

Details:

N/A

Apple Order No:

M3201LL/A

Apple Subfamily:

Mac Performa 577

Details:

N/A

Apple Model No:

M1640

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:

7.1P6

Supported Mac OS:

7.1P6-7.5.1, 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:

17.9 x 13.5 x 16.5

Avg. Weight:

40.5 lbs (18.4 kg)

Details:

In inches - height by width by depth, (45.5 cm, 34.3 cm, 41.9 cm).

Original Price:

N/A

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:

*Single DB-15 video port only offered with optional expansion card.

ADB:

SCSI:

1 (DB-25)

Details:

N/A

Serial (Standard):

Serial (Geoport):

None

Details:

Serial ports are marked by printer and modem icons.

Modem:

1 (RJ-11)

Ethernet:

None

Details:

N/A

S-Video Input:

None

S-Video Output:

None

Details:

N/A

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:

90V-264V AC, 47-63 Hz Frequency, 40 Max Watts.

Icon Credit: Apple Computer, Inc.

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