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====== MB012, Mother Board with MC68012 ======

===== Introduction =====

MB012 is derived from Tiny68K where the 68000 DIP is replaced with 68012 PGA package. The space thus saved is used for 2 I/O expansion connectors.

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=a36ecf&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/mb012/mb012_annotated.jpg|{{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/mb012/mb012_annotated.jpg?600x424|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_mb012_mb012_annotated.jpg}}]]

===== Features =====

Design derived from Tiny68K

MC68012 in PGA package

16 meg DRAM

Duart serial port, MC68681

Two I/O expansion bus

Real time clock with battery backup

===== Design Information =====

[[https://retrobrewcomputers.org/lib/exe/fetch.php?media=builderpages:plasmo:mb012:mb012_scm.pdf|Schematic]]

Gerber [[https://retrobrewcomputers.org/lib/exe/fetch.php?media=builderpages:plasmo:mb012:mb012_r0.zip|photoplots]]

CPLD [[https://retrobrewcomputers.org/lib/exe/fetch.php?media=builderpages:plasmo:mb012:mb012_r0_cpld.zip|design files]]

==== Software ====

MB012 monitor

===== Instructions =====

Creating new CF disk

Getting Started with MB012