![]() Apple's press release stated that "Hard Disk 20 units for demonstration will begin shipping to authorized Apple dealers in November with quantity shipments expected in early 1986." ![]() Nor was it Apple's first hard drive system.Īfter announcing its external 20MB hard disk in April 1985, Apple introduced the HD20 on September 17, 1985, with a suggested retail price of $1499 and a respectable storage capacity of about 20 MB. The Hard Disk 20 was not the first hard disk for Macintosh. This article begins with the history of the HD20. Scroll down towards the bottom of this article for downloads and practical, how-to information on the Hard Disk 20. ![]() Looking for practical information or downloads for the HD20? We will uncover the history of the HD20, report new findings, as well as correct some commonly-repeated misstatements concerning the HD20. There were several third-party hard disk systems available for Macintosh by 1985 we're going to examine Apple's Macintosh Hard Disk 20 (HD20) in this blog entry. Therefore, mass storage systems, as with the Apple II, were a hot commodity on the Macintosh. A second disk drive was practically a necessity, and especially so with the 128K Macintosh. ![]() That's to say nothing of additional fonts or Desk Accessories added to the System file. ![]() After subtracting the requirements for the MFS catalog and System folder, the typical startup disk had not much more than 240K available for applications and documents (this is on the May 1985 System disk). The single-sided, 400K Sony microfloppy disk drive on the Macintosh was innovative to be sure! But it wasn't without its drawbacks, the main one being its limited storage space. ![]()
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