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RE: Emax OS creation primer

2014-02-05 by esynthesist@...

I'd like to add that in some rare cases the calibration differences between the Emax floppy drive and the PC floppy drive can simply be too big. If that's true, both machines will work fine and give no errors as long as they use floppy disks created on their own floppy drives: the Emax on its own drive, and the PC on its own drive.

When I was working with Jason (creator of OmniFlop) to refine the Emax support in OmniFlop, I remember we were struggling with the parameters that had to be set by Jason in the OmniFlop driver. I was using multiple Emax and Emax-II samplers to test beta versions of OmniFlop and for a while we had the problem that disks created by OmniFlop worked fine on one Emax sampler but not on the other one. Jason has been investigating some low level "disk maps" of floppy disks created on the samplers themselves and he has tried to define his driver's parameters in such a way that it worked for all the Emax samplers I used during these tests. Once we succeeded, the Emax support was officially released in OmniFlop (the 80*2*10*512 one, the other one with 5*1024 bytes is wrong).

So it seems that Emax floppy drives - especially the old original ones - can differ in calibration quite extensively.

As other members have suggested: once someone is sure he/she is doing the things 100 pct correctly (as described in the manuals), but the problem still occurs, then it's strongly recommended to use either another floppy drive in the Emax (like the slim ones) /or using other floppy disks (and make sure DD disks are used, not "taped" HD ones).

///E-Synthesist

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