Re: About drive letter assignments

Tech-Archive recommends: Speed Up your PC by fixing your registry

From: KM (konstmor_at_nospam_yahoo.com)
Date: 09/15/04 

Date: Wed, 15 Sep 2004 13:04:07 -0700

I must admit I forgot one important thing to mention... :-(

Win32 APIs to mount disks (work with volumes, etc.) - Volume Management Functions.
E.g., SetVolumeMountPoint.

http://msdn.microsoft.com/library/en-us/fileio/base/volume_management_functions.asp 

-- 
 Regards,
        KM, BSquare Corp.
> Cato,
>
> > Ok,
> >
> > any tip/ link to how I can dismount/mount volumes with letters assigned by
> > my own rules  ??
>
> You can use FSCTL_DISMOUNT_VOLUME (search Windows DDK/MSDN documentation on
> it).
>
> By your own rules I meant your desire to assign specific letters to
> particular device types.
> How you do that - up to you. You can anylize disk devices in your system and
> set up MountedDevices key from your code.
>
> > thanks
> >
> > Cato
> >
> >
> > "KM" <konstmor@nospam_yahoo.com> wrote in message
> > news:OIhq15vmEHA.2020@TK2MSFTNGP09.phx.gbl...
> > > Cato,
> > >
> > > I didn't quite understand your problem.
> > >
> > > If you don't change the hardware much, don't change/switch IDE
> controllers
> > > and don't change partition layouts and active flags on storage media,
> you
> > > will get the same letter assignments if you start with empty
> > > [HKLM\SYSTEM\MountedDevices] key.
> > >
> > > Basically, there are rules NT/XP follows to assign default letters:
> > > http://support.microsoft.com/default.aspx?scid=kb;en-us;93373.
> > >
> > > In case you want to change something from the list mentioned above, you
> > may
> > > end up with different letters.
> > > You can fix it with your own code (driver or app) that dismounts/mounts
> > > volumes with letters assigned by your own rules.
> > >
> > > KM
> > >
> > >
> > > > Hi,
> > > >
> > > > I know that in registry HKLM\environment\mounteddevices\   I can alter
> > the
> > > > drive letter assignments of mounted devices.
> > > >
> > > > * My system uses Compact flash and HDD both with 2 partitions.
> > > > What i try to accomplish is that no matter if i use the same RunTime
> > image
> > > > on new hardware, i.e. CF and HDD, the drive letters are not swapped
> > around
> > > > due to registry not having information on the exact volume ID.
> > > >
> > > >
> > > > Can I alter the registry in TD, to make the assignment a little more
> > > > general?
> > > >
> > > > I mean, could I make it so that certain drive  letters are reserved
> for
> > > > certain media types ??
> > > >
> > > > For example so that C:\ and D:\ is always given to devices of type
> > compact
> > > > flash no matter which exact CF hardware I insert ?
> > > >
> > > > And F:\ and G:\ is always given to HDD drives, even ..
> > > >
> > > >
> > > > Thanks
> > > >
> > > > Cato
> > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>