dd Bug using \\.\PhysicalDriveX ?

[Scalzott, Todd]

I believe that this is part of CORE, which I have at 6.9-5.  I did
update to all of the latest just a short while ago and reverified the
problem.
 
I've discovered what I believe to be a problem with "dd" on several
different XP SP2 systems with Cygwin installed involving the usage of
Windows' \\.\PhysicalDrive nomenclature.
 
That is, reading from \\.\PhysicalDrive1 with the below command works
flawlessly:
    dd if=^\^\.^\PhysicalDrive1 of=tmp.img bs=16384
However, writing to \\.\\PhysicalDrive1 in similar fashion fails with an
error:
    dd if=tmp.img of=^\^\.^\PhysicalDrive1 bs=16384
    dd: opening `\\\\.\\PhysicalDrive1': Invalid argument

PhysicalDrive1 is a removeable drive.

Thank you.


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