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Apple Macintosh Performa 475 Specs

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Apple Macintosh Performa 475 The Apple Macintosh Performa 475 features a 25 MHz 68LC040 processor, 4 MB of RAM, and a 160 MB hard drive in a sleek, compact "pizza box" case.

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

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.


October 18, 1993 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 1993.
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
Details: N/A
Macintosh ROM 1 MB
Details: N/A
8k N/A
Details: N/A
72-pin SIMM 80 ns
Details: N/A
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.
4 MB 1
Details: N/A
Dedicated* VRAM SIMM*
Details: *This model has slots for two 80 ns VRAM SIMMs.
512k* 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.
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.
160 MB SCSI
Details: By default, this model is configured with a 160 MB 3.5" internal SCSI hard drive.
None 1.44 MB (Manual)
Details: N/A
9.6k (External) None
Details: Bundled with a 9.6k external modem.
1 LC III PDS None
Details: By default, both the floppy disk and 3.5" hard drive bays are occupied.
Desktop Macintosh LC 475
Details: N/A
M1904LL/A* Mac Performa 475
Details: *M1904LL/A and M1904LL/B both refer to this model and originally differed only by location sold.
M1476 89
Details: Please note that these identifiers commonly refer to multiple models.
3.6V Lithium N/A
Details: 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.

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.
2.9 x 12.2 x 15.3 8.8 lbs (4 kg)
Details: In inches - height by width by depth, (7.4 cm, 31 cm, 38.9 cm).
US$1600 N/A*
Details: *As a collector's item, this model may still retain value.

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.


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

Icon Credit: Apple Computer, Inc.



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