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    MAI Basic Four BB1 64K FERRITE CORE MEMORY BOARDS

    Looks like a system 2000 some infos here: http://basicfour.de/ It runs BOSS/IX that MAI Basic Four has licensed from Charles River Data Systems where it was named µNOS. The WDC is based on an Adaptec SCSI to MFM adapter, early versions of the 2000 had the original Adaptec installed, later they...
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    MAI Basic Four BB1 64K FERRITE CORE MEMORY BOARDS

    Thx, sent you the pointers to the last tow ones already, more to follow
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    Western Europe Basic Four S/10 CPU Board

    looking for a Basic Four S/10 floppy controller CPU board. If you have one, would appreciate if you contact me. I got a lot of software including the ones for creating the protected BB/M boot disks but my S/10 hangs after boot of CP/M or BB/M. ad@ardiehl.de
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    MAI Basic Four BB1 64K FERRITE CORE MEMORY BOARDS

    I have recreated the documentation for the 1200 ROMBUG and sent it to Al for uploading to bitsavers. This was a challenge, when i got them, they where wet, moldy and barley readable. http://basicfour.de/download/1200/Rombug_BasicFour_1200.pdf I got another manual that may be helpful as it...
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    MAI Basic Four BB1 64K FERRITE CORE MEMORY BOARDS

    @m_thompson Do you have plans to get the 1200 up and running again ? For the 1200 (that is in fact a microdata 1600), i have 1) 8 K Core memory board, Microdata assy A20002208 REV G, Date 03/1976 2) 8 K Core memory board, Microdata assy A20002208 REV C, Date 02/1974 3) SORBUS ROMBUG rom board...
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    Replacing the boot harddisk in a MAI Basic Four System 2000

    I got the system some time ago (i think in 2005) from the US and replaced the original Maxtor XT-1140 harddisk with a Micropolis HH1050 at that point in time. I have done this with a lot of try and error using the diagnostics for writing / restoring partitions in combination with regular...
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