Description: HD-20SC: What You'll Need to Format It With an Apple II
Header: HD-20SC: What You'll Need to Format It With an Apple II


 This article last reviewed: 19 January 1988

 To format an HD-20SC drive using an Apple II, it's usually best to use System
 Disk 3.0. System Utilities 2.1.1 can be used for this purpose only with some
 versions of the Apple IIe, as described below.

 - Apple IIGS: requires System Disk 3.0. (System Utilities 2.1.1 won't do it.)

 - Unenhanced Apple IIe: is not compatible with System Disk 3.0. (Use System
  Utilities 2.1.1.)

 - Apple IIe (Platinum) with Rev C logic board: use System Disk 3.0 to format
  an HD-20SC. (System Utilities 2.1.1 won't do it.)
@L
 - Apple IIe (Platinum) with Rev E logic board: it's advisable to use System
  Disk 3.0.  System Utilities 2.1.1 can be used, but you'll see flashing
  garbage on the screen that will make it look like the system has crashed.
 Copyright 1990 Apple Computer, Inc.
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