Macintosh-HW/macintosh-portable
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Pawel Pieczul 338be8303c Progress on PMGR chip
2019-06-08 17:09:30 +02:00
pictures
Added PMGR description
2019-06-01 12:36:25 +02:00
.gitignore
Symbol library cleanup
2019-06-01 12:17:55 +02:00
LICENSE
Initial commit
2019-05-22 01:08:11 +02:00
macintosh-portable-12v-generator.sch
Progress on PMGR chip
2019-06-08 17:09:30 +02:00
macintosh-portable-pmgr.sch
Progress on PMGR chip
2019-06-08 17:09:30 +02:00
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
macintosh-portable.dcm
Symbol library cleanup
2019-06-01 12:17:55 +02:00
macintosh-portable.kicad_pcb
First version of schematics.
2019-05-22 01:17:37 +02:00
macintosh-portable.lib
Symbol library cleanup
2019-06-01 12:17:55 +02:00
macintosh-portable.pro
Finished V1M, more references on other sheets.
2019-05-28 00:10:25 +02:00
macintosh-portable.sch
Progress on PMGR chip
2019-06-08 17:09:30 +02:00
README.md
Added PMGR description
2019-06-01 12:36:25 +02:00
sym-lib-table
Symbol library cleanup
2019-06-01 12:17:55 +02:00

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

front resistors back

Apple Power Manager Chip (PMGR)

This is Mitsubishi M50753 Microcontroller with embedded EPROM.

M50753-pinout M50753-pins

Description
Macintosh Portable Reverse Engineered Schematics
Readme GPL-3.0 3 MiB