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.")
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
Was this article helpful?
Read how to maintain and repair any desktop and laptop computer. This Ebook has articles with photos and videos that show detailed step by step pc repair and maintenance procedures. There are many links to online videos that explain how you can build, maintain, speed up, clean, and repair your computer yourself. Put the money that you were going to pay the PC Tech in your own pocket.