Mb Hda Upgrade

Before you begin, remove the following:

  • Main battery
  • I/O door
  • Top case
  • Modem card
  • Hard drive

Hard Drive

Note: Apple offers the 80 MB Upgrade Kit and the 4/ 80 MB Upgrade Kit for the PowerBook 140/145/170. Both kits include the 80 MB hard drive and a 1 7 mm retainer. Refer to the following pages to determine whether you use the 1 7 mm retainer shipped with the upgrade kit or the customer's original retainer. (To install the 4 MB PSRAM Expansion Card included with the 4/80 MB Upgrade Kit, refer to "RAM Expansion Cards.")

Ridged, 1 7 mm Retainer

20 MB-to-80 MB Upgrades (PowerBook 140)

Use the ridged, 17 mm retainer that originally shipped with the PowerBook. For installation instructions, refer to "Hard Drive" in the Take Apart chapter.

40 MB-to-80 MB Upgrades (PowerBook 140 or 170)

Use the ridged, 17 mm retainer that shipped with the upgrade kit. For installation instructions, refer to "Hard Drive" in the Take Apart chapter.

K Service Source

Additional Procedures PowerBook 140/145/145B/170

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