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Apple Macintosh Performa 476 Specs

All Macintosh Performa Models | All 1993 Models | Dynamically Compare This Mac to Others


Apple Macintosh Performa 476The Apple Macintosh Performa 476 features a 25 MHz 68LC040 processor, 4 MB of RAM, and a 230 MB hard drive in a sleek, compact "pizza box" case. The Performa 476 is identical to the Performa 475, except that the 476 shipped with a 230 MB hard drive.

The educational version of the Performa 476 is the LC 475, and although the case is a bit different, the business version is the Quadra 605.



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


October 18, 1993 April 1, 1996
25 MHz* 68LC040
Details: *This model has a 32-bit processor and a 32-bit data path. Sometimes this model is designated as having a 50 MHz processor, since the clock input runs at 50 MHz. However, the processor itself is not "clock doubled," so technically it only is a 25 MHz processor.
N/A None
Details: N/A
25 MHz N/A
Macintosh ROM 1 MB
8k N/A
72-pin SIMM 80 ns
4 MB 132 MB*
Details: *Apple only officially supports up to 36 MB of RAM by installing a single 32 MB SIMM. However, third-parties have been able to upgrade it to 132 MB by installing a single 128 MB SIMM.

Also see: Actual Max RAM of All G3 & Later Macs.
4 MB 1
Dedicated* VRAM SIMM*
512k* 1 MB*
Single Display* 512x384-1152x870*
Details: *By default, this model only supports a single display, but a second one can be supported with the addition of an LC III PDS video card. With the default 512k of VRAM, it can support a single display at 512x384 at 16-bit color, 640x480 and 832x642 at 8-bit color and 1024x768 and 1152x870 at 4-bit color. Upgraded to 1 MB of VRAM, it can support up to 832x624 at 16-bit color and 1024x768 and 1152x870 at 8-bit color.
Single Display* Variable*
230 MB SCSI
None 1.44 MB (Manual)
9.6k (External) None
1 LC III PDS None
Details: By default, both the floppy disk and 3.5" hard drive bays are occupied.
Desktop Macintosh LC 475
M2154LL/A* Mac Performa 476
M1476 89
Details: Please note that these identifiers commonly refer to multiple models.

Also see: All Macs with the M1476 Model Number and 89 Gestalt ID.

For more about identifiers and how to locate them on modern Macs, please refer to EveryMac.com's Mac Identification section.
3.6V Lithium N/A
7.1P3 7.1P3-7.5.1, 7.5.3-8.1
Details: Earlier and later versions of the Macintosh System/Finder and Mac OS are not supported.
2.9 x 12.2 x 15.3 8.8 lbs (4 kg)
US$1800 N/A*


Click on a category 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.


1 (DB-15) None
Details: N/A
1 1 (DB-25)
2 None
None* None
Details: *Bundled with a 9.6k external modem.
None None
1 (PlainTalk) None
1 (8-Bit Stereo) None
1 None
1 N/A
Details: 100V-240V AC, 47-63 Hz Frequency, 30 Max Watts.

Icon Credit: Apple Computer, Inc.

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