Macintosh Portable Reverse Engineered Schematics

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Pawel Pieczul 338be8303c Progress on PMGR chip		2019-06-08 17:09:30 +02:00
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macintosh-portable-power-distribution.sch	Progress on PMGR chip	2019-06-08 17:09:30 +02:00
macintosh-portable-v1m.sch	Progress on PMGR chip	2019-06-08 17:09:30 +02:00
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README.md

macintosh-portable

Introduction

This is an attempt to reverse-engineer Macintosh Portable motherboard's power distribution and management subsystem.

The files can be opened and edited using KiCad.
Check out the PDF releases of the schematics.
You may take a look at my collection of vintage computers: oldcrap.org

V1M Hybrid Board

Apple Power Manager Chip (PMGR)

This is Mitsubishi M50753 Microcontroller with embedded EPROM.