History
Introduced in September of 1984, The Mac 512K was a Mac 128K with 384 KB more RAM. It sold for $3,195 U.S., and was replaced in April 1986 by the 512Ke. Introduced in April 1986, the 512Ke included an 800 KB floppy drive, and a 128k ROM, but was in all other respects identical to the 512K. It sold for $1,999 U.S. and and was sold to educational markets as the Mac ED. The 512Ke was discontinued in September 1987.
Generral
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OVERVIEW | |
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| Introduced | September 1984 (512K) April 1986 (512Ke) |
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| Discontinued | April 1986 (512K) September 1987 (512Ke) |
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| Model Identifier | 2 (512K) or 3 (512Ke) |
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| Model Number | M0001W, M0001WP (512K) M0001E (512Ke) M0001D (512K/800) M0001ED (EDU 512Ke) |
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| Initial Price | $3,195 (512K) $1,999 (512Ke) |
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| Support Status | Obsolete |
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| Colors | Beige |
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| Weight and Dimensions | 16.5 lbs., 13.6" H x 9.6" W x 10.9" D |
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PROCESSOR | |
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| Processor | Motorola 68000 |
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| Processor Speed | 8 MHz |
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| Number of Cores | 1 |
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| Coprocessor | None |
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| Cache | None |
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| System Bus | 8 MHz |
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STORAGE AND MEDIA | |
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| Storage | None |
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| Media | 400 KB (512K) or 800 KB (512Ke) floppy disk drive |
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Software
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SOFTWARE | |
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| Original OS | Macintosh System Software 0.1 (System 1.1, Finder 1.1g) (512K) Macintosh System Software 0.7 (System 3.0, Finder 5.1) (512Ke) |
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| Maximum OS | System Software 2.0.1 (System File 4.1, Finder 5.5) (512K) System 6.0.8 (512Ke) |
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FIRMWARE | |
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| Firmware | Macintosh ROM |
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Memory and Graphics
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MEMORY | |
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| Built-in Memory | 512 KB |
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| Maximum Memory | 512 KB |
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| Memory Slots | -- |
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| Minimum Speed | -- |
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| Interleaving Support | No |
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DISPLAY | |
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| Built-in Display | 9-inch 512 x 342 |
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| Pixel Density | 72 ppi |
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GRAPHICS | |
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| Graphics Card | None |
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| Graphics Memory | None |
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| Display Connection | None |
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Connections and Expansion
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CONNECTIONS | |
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| Ethernet | None |
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| Modem | None |
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| ADB | None |
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| Serial | 2 - RS-422, 1 - DE-9 |
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| SCSI | None |
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| Floppy Port | 1 - DB-19 |
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| Display | None |
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| Audio In | None |
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| Audio Out | 1 - Built-in speaker (8-bit 22-kHz) |
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EXPANSION | |
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| Slots | None |
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| Hard Drive Interface | None |
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POWER | |
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| Backup Battery | 4.5 V Alkaline |
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| Maximum Continuous Power | 60 W |
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| Line Voltage | 110-120V (M0001W, M0001E, M0001D, M0001ED) 220-240V (M0001WP) |
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ENVIRONMENTAL | |
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