HDSK02 and 03

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markepi...@gmail.com

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Sep 18, 2026, 11:28:13 AMSep 18
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Using Altairduino8800 2.5 experimenter. I mount HDSK03 on unit 1 platter 0 and HDSK02 on unit 1 platter 1.  I boot CP/M. When I do a B:>DIR I get junk.  Same thing if I mount HDSK01 on platter 1.  However, after I mount HDSK04 I get a good directory output. I downloaded the .dsk files again and extracted all the .dsk files onto a new SD card and I get the same thing.
Is there something I need to understand about 01 and 02?
Thanks
Mark

Chris Davis

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Sep 18, 2026, 2:02:47 PMSep 18
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I'm not in front of my Altair-Duino right now, but IIRC, HDSK01 and HDSK02 are Altair DOS not CP/M.
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