[Info-vax] OT: For MAC Lovers Only :-)
Stephen Hoffman
seaohveh at hoffmanlabs.invalid
Tue Oct 16 17:16:34 EDT 2012
On 2012-10-16 19:21:11 +0000, JF Mezei said:
> On 12-10-16 08:12, John E. Malmberg wrote:
>
>> It may be possible to use the "read track" low level floppy disk
>> controller command, which basically just copies all the bits read into a
>> memory buffer and then use a program to try to separate the data.
>
> Isn't that what backup/physical does ?
Nope.
BACKUP (/PHYSICAL, /IMAGE, etc) uses existing sectors, and doesn't read
raw track data.
The closest analog (via VMS APIs) would likely be via an
IO$_DIAGNOSE-level interface, if that's supported by both the driver
and the underlying device.
--
Pure Personal Opinion | HoffmanLabs LLC
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