home *** CD-ROM | disk | FTP | other *** search
/ Apple Reference & Presen…tion Library 2 (Reseller) / Apple R&P Lib Reseller v2.0.iso / 1-Reference / Apple Literature Guide / PICTs / M2233⁄A [5] (.png) < prev    next >
Macintosh Picture Format  |  1989-04-17  |  388.9 KB  |  639x825  |  8-bit (256 colors)  |  [PICT/LSPT]
   ocr: Macintosh Internal Hard Disk 20SC System Requirements Toi use al Macintosh Intemnal Hard Disk 20SC, you must have: a Macintosh: SE, Macintosh SE/30, Macintosh II, or Macintosh IIx personal computer. Tochnical Specifications Capacity Data capacity: 20: megabytes (formatted) Data: surfaces: 4 Heads/Surface: 1 Block size: 5121 bytes Total disk blocks: 41,060 Blocks/ Track: 17 Characteristics Average seck time: 68 milliseconds Rotational speed: 3,600 rpm Startup time: 20: seconds Spin-down time: 20 seconds Interface Connects directly to the Macintosh SE, Macintosh: SE/30, Macintosh II, or Macintos ...