This is basically a recompile of the latest Rockbox source code. A modified version of Shuffle2's patch with the latest official PSGroove payload with BM feature added.
Instructions:
1. Download Rockbox Installer --
http://www.rockbox.org/download/2. Use installer to install at least the minimal Rockbox installation
Once Rockbox is up and running normally on your Sansa e200:
3. Extract the attached zip file into the root of your Sansa and let it overwrite any newer files.
4. Disconnect and restart your Sansa.
Once your Sansa is re-booted into the new Rockbox:
5. Turn off the back Power switch or Disconnect PS3.
6. Connect the Sansa via USB to your PS3. (make sure it's the only thing connected)
7. Turn the Power switch back.
8. Press the touch sensitive Power Button and then Eject immediately after.
+ Compiled for Sansa e200v1
+ Compiled for Sansa c200v1
+ Tested and working on Sansa e200R (Rhapsody version) -- Instructions HERE (Thanks for testing Armen1er)
+ Sansa e200v1 w/ Hermes payload and BM2 support by Evostar
+ Sansa c200v1 w/ Hermes payload and BM2 support by Evostar
+ Sansa e200v1 w/ Hermes V2 payload by Evostar
+ Sansa c200v1 w/ Hermes V2 payload by Evostar
+ Sansa e200v1 w/ Hermes V3 payload by Evostar
+ Sansa c200v1 w/ Hermes V3 payload by Evostar
Thanks to Evostar for compiling the Hermes versions!
Notes:
- To return Sansa to normal, just run the Automatic installer and reinstall Rockbox.
- To access original firmware and USB functionality:
Turn on Sansa while holding down the left (or back) button. Then Connect to your PC's USB.
Debo decir que estoy citando este texto de la pagina
http://www.psx-scene.com/forums/showthread.php?t=66925 
