Macintosh IIsi Hard Drive Replacement
Chris Green and 3 other contributors
Last updated on Oct 20, 2015
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Introduction
Go to step 1 ↓The Macintosh IIsi Uses a 50-Pin SCSI Drive, that doesn't need to be terminated while in single configuration.
What you need
Tools
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Start by turning the computer around, and remove this #0 Phillips Screw.
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Now lift these two clips, and slowly pivot the case up.
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You can now seperate the top of the computer from the rest of the machine.
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The Macintosh IIsi's hard drive is located ajacent to the ram and floppy drive.
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Start by pushing these two tabs out, and lifting the drive up.
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Then, flip the drive over, and remove the connection cables.
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The hard drive: A Quantum ProDrive LPS, made in 1990, and surprisingly, it still works!
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This drive has an 80MB capacity, not very large by today's standards, but not bad way back then...
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Believe it or not, hard drive construction hasn't changed much in the last 20 years. Other than a few new interfaces, the form factor, 3.5" width and 4-Pin 12V/5V power connector has stayed the same.
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To reassemble your device, follow these instructions in reverse order.
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