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Can floppy work in nonDMA mode under DOS/Linux/Windows? (Developers)

posted by RayeR(R) Homepage, CZ, 04.12.2017, 02:03

> but they definitely must exist some low level
> utilities which handle the diskette access directly via I/O ports
> interface.
> Try f.e. RESQFLPY on BTTR software archive
> (http://www.bttr-software.de/freesoft/disk2.htm)

Yes I remember tools like HDcopy and probably Norton Utilities also handle floppy on it's own instead of BIOS but I don't know if they use DMA. I think it's not problem to write my own tool that will not use DMA but it's matter for compatability with old SW.

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DOS gives me freedom to unlimited HW access.

 

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