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How to force MSC mode for Trekstor Vibez
Don't try this at home
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peter 2006-11-28, 04:59 #1
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Subject: How to force MSC mode for Trekstor Vibez
Trekstor Vibez, like any MSC/MTP device which switches protocols automatically, always comes up as MTP in Windows XP.

If you don't want that -- if, for instance, you want to run applications from the Vibez's hard disk -- then you can use the Windows Registry to force Windows to use MSC mode.

There are some important caveats to this -

  • DRM content, including purchased and subscription content from the likes of Napster-to-go, cannot be transferred in MSC mode.
  • Editing the Windows registry is dangerous for non-experts. It could all end in tears, or, worse, in re-installing Windows.
  • Neither Sigmatel nor Trekstor can take any responsibility, or offer any support, for people who mess with their registries in this sort of way.

But, if you're a DRM-less Windows expert who's happy with all that, the procedure is as follows:

  • Unplug your Trekstor Vibez.
  • Run regedit and find this registry key:
\\HKLM\System\CurrentControlSet\Enum\USB\Vid_066f&Pid_842a
  • Right-click on the Vid_066f&Pid_842a key, choose Permissions, and tick (check) "Full Control" in the "Allow" column.
  • Click OK to close the Permissions dialog.
  • Right-click again on the Vid_066f&Pid_842a key, choose Delete.
  • Now go and find this registry key:
\\HKLM\System\CurrentControlSet\Control\UsbFlags\ 066f842a0110
  • It has a subkey osvc of type REG_BINARY. Normally this key is set to the two bytes "01 42". Set it to "00 00" instead.
  • Then plug your Vibez back in. It should come up as mass-storage.

To Reverse The Change And Get MTP Back Again

  • Unplug your Trekstor Vibez.
  • Go and delete the Vid_066f&Pid_842a key as above.
  • Then go and delete the 066f842a0110 key too.
  • Then plug your Vibez back in. It should re-enumerate from scratch and come up in MTP.

        Peter
RubenNYC 2006-11-28, 05:46 #2
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Outstanding!  FAQ it!  :)

Thanks to peter, I think we are now officially the #1 support resource for Trekstor Vibez owners worldwide.
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jaw2ek 2006-11-28, 07:27 #3
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This is awsome.
If I had a signature, think I'd share it with YOU?
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Peregrine 2006-11-28, 07:42 #4
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We are not worthy. ;)
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Riolist 2006-11-28, 07:55 #5
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WooHoo! Got my MSC Vibez! Thanks Peter!
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Dominic 2006-11-28, 09:03 #6
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Peter is King  :-)
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LycoLoco 2006-11-28, 09:38 #7
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I'd suggest backing up your registry before doing this, as well as after, so you can switch back and forth easily.
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Riolist 2006-11-28, 09:42 #8
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Quote by LycoLoco:
so you can switch back and forth easily.
Now why would I want to do that??
patches11 2006-11-28, 19:04 #9
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You wouldn't. Any registry changes that occur thereafter would be wiped every time you switch. A much better idea is to create a pair of .reg files which automatically make the necessary changes. Don't know how it'll handle the permissions though.
ild2 2006-11-28, 21:13 #10
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Is there any chance for an option to force the Vibez into MSC on the device? The Sansa e200 and Samsung Z5 can be switched between MTP and MSC/UMS directly on the device without any registry hacking.
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Nightsky 2006-11-29, 08:15 #11
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Those of us who aren't computer whizzes wouldn't want to mess with the registry. A firmware update like on the Carbon and Forge which allows you to change between MTP and MSC would be the best solution.  Is this possible?
Riolist 2006-11-29, 16:58 #12
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Quote by Nightsky:
Those of us who aren't computer whizzes wouldn't want to mess with the registry. A firmware update like on the Carbon and Forge which allows you to change between MTP and MSC would be the best solution.  Is this possible?

That's a rhetorical question if I ever heard one.
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Nightsky 2006-11-29, 21:29 #13
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Why is the question rhetorical?
Regardless,the Carbon Firmware 3.04 made it possible to change between MTP and MSC directly on the device. I am asking (Peter) or anyone as knowledgable if there will be a future firmware update to make this possible on the Vibez.
This post was edited on 2006-11-29, 21:37 by Nightsky.
fondy44 2006-11-29, 21:58 #14
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Quote by Nightsky:
the Carbon Firmware 3.04 made it possible to change between MTP and MSC directly on the device

I'm not sure but I think the Carbon shipped from the factory with this option. Or at least my 6 gig did.
Riolist 2006-11-29, 22:36 #15
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In reply to post #13
Quote by Nightsky:
Why is the question rhetorical?

Because the answer is obvious and the question was actually meant as a request.
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