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| author | Andreas Baumann <mail@andreasbaumann.cc> | 2022-11-03 08:41:56 +0100 |
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| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2022-11-03 08:41:56 +0100 |
| commit | 439ef7188ccfc8b892a986cc8fa4d31b97dbe1f6 (patch) | |
| tree | 92d5d3abfaaa6ea4af9eacf52f9d03bbb7dba331 /content | |
| parent | d4f9391a7b5e1118e9cb1f670a220279c7f02c42 (diff) | |
| download | www-andreasbaumann-cc-439ef7188ccfc8b892a986cc8fa4d31b97dbe1f6.tar.gz www-andreasbaumann-cc-439ef7188ccfc8b892a986cc8fa4d31b97dbe1f6.tar.bz2 | |
added some keyboard and power schematics for the IMC-2001
Diffstat (limited to 'content')
| -rw-r--r-- | content/hardware/imc-2001.md | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/content/hardware/imc-2001.md b/content/hardware/imc-2001.md index a0fa4e2..0296422 100644 --- a/content/hardware/imc-2001.md +++ b/content/hardware/imc-2001.md @@ -69,6 +69,57 @@ Layout of the chips on the motherboard: {{< figure src="/images/hardware/imc-2001/manual_motherboard.jpg" alt="motherboard layout" >}} +# Schematics + +Power connector on the motherboard: + +``` +O O O O O O +| | | | | +--- GND black +| | | | +----- +12V red +| | | +------- -5V blue +| | +--------- -12V brown +| +----------- +5V white ++------------- +5V white +``` + +keyboard cable connectors: + +connector to machine (sort of a gummy version of a DB-9): + +computer has a 9-pin DSUB connector male: + +``` + +----------- white INTR + | +--------- black GND + | | +------- green DATA + | | | +----- blue RESET + | | | | +--- Yellow CLOCK +------------- +\ O O O O O / + \ O O O O / + --------- + | | | +---- red 5V + | | +------ n.c. + | +-------- n.c. + +---------- n.c. +``` + +On the keyboard PCB there is a strange white connector with the following layout: + +``` + +------------- white INTR (active low, after last clock tick) + | +----------- black GND + | | +--------- blue RESET (active low) + | | | +------- green DATA + | | | | +----- yellow CLOCK + | | | | | +--- red +5V + +-----------+ + |o o o o o o| + +-----------+ + | | +``` + # Links * [Mention of the IMC-2001](http://www.epocalc.net/php/liste_models.php?texte=&look=All+fields&yearmax=2018&nocomp=pc&cat=Apple+2+clone): |