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Macintosh Computers Vol. I: Compact & Portable Computers Service Guide
Apple Macintosh PowerBook 140 and 170 Developer Note
MacWarehouse Power User's Memory Upgrade Guide
Macintosh Classic II, PowerBook 100/140/170, Quadra 700/900 Service Guide
Macintosh PowerBook 140/170 Getting Started
Apple PowerBook 140/145/145B/170 Service Source Manual