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Wiki > Main > RockBox251 (r22)

RockBox 2.5.1


This is an unofficial private release of Rockbox for the Archos Recorders and Player.

This is not an official release of Rockbox by the developers, and will not be supported by them. It is being made available for download here as some people have expressed interest in using it.

This release is based on the 2.5 general release of Rockbox.

I and many others have been using this version of Rockbox for several months without problems. If you encounter any problems, post a message to the relevant forum, or the mailing list. In the unlikely event of a serious problem, you can always revert to the official version 2.5 or earlier.


This release has the following major enhancements:-

  • The improved charging algorithm patch has been retro-fitted. This only affects the Recorder V1.

  • Enhancements have been made to the Bookmarking feature, including voicing the directory and file name when appropriate.

  • The quick menus have been reorganised for better readability, and are now voiced when appropriate.

  • Button de-bouncing has been improved to reduce the possibility of false button reads being detected.

Changes 5th Jan 2007

  • Rapid exit from the Menus is provided by holding the F1 key.

  • Battery level accuracy is improved during the first minute after booting.

  • The Off key can be used to exit from the Quick Menus.

  • The Status Bar layout has been improved.

  • Fade on Stop/Pause has less dead time, is more snappy.

  • The source for the 2.5.1.changes is provided in the form of a .diff file against the official 2.5 source. The publication of this is a requirement of the Rockbox GPL licence.

For a complete list of changes, see the v2.5.1_ReadMe.txt file, below.


  1. Download "v2.5.1_ReadMe.txt" and the appropriate "" file for your Archos, below.
  2. Read the contents of the "v2.5.1_ReadMe.txt" file.
  3. The "" file is now a complete installation of Rockbox, so you should save your configuration settings in a .cfg file.
  4. Unzip all the files to the root or top level directory of your Archos, preserving the directory structure in the zip file.
  5. Follow the normal procedure for flashing, if required.
  6. Restore your configuration settings from the .cfg file you created, above.
  7. People using VoiceBox .talk files can download and use the contents of "" to create your .talk files. This has coded in, the modified Lame parameters mentioned in the "V2.5.1_ReadMe.txt" file. You should regenerate your .talk files with this version to allow smooth voicing from the Bookmark screen. See the file "V2.5.1_ReadMe.txt", and the "Read_Me_Please.txt" file within "" for more details.
  8. For completeness I have included for people who wish to generate their own voice files for speaking the menus. These files will also be compatible with version 2.5 of RockBox. Replace the included "english.lang" file with your own amended file if necessary.


I Attachment Action Size Date Who Comment
MakeVoices2.5.1.zipzip manage 266.8 K 12 Sep 2006 - 21:05 TomCole MakeVoices for 2.5.1
Rockbox-2.5.1-Player.zipzip manage 448.5 K 05 Jan 2007 - 03:15 TomCole Player
Rockbox-2.5.1-RecorderV1.zipzip manage 734.2 K 05 Jan 2007 - 03:14 TomCole Recorder V1
Rockbox-2.5.1-RecorderV2.zipzip manage 742.7 K 05 Jan 2007 - 03:05 TomCole Recorder V2
Rockbox-2.5.1-RecorderV2FM.zipzip manage 742.7 K 05 Jan 2007 - 03:11 TomCole Recorder V2 FM
Source-2.5.1.zipzip manage 19.1 K 05 Jan 2007 - 03:18 TomCole Source File of changes from 2.5
VoiceBox2.5.1.zipzip manage 205.2 K 11 Jul 2006 - 21:06 TomCole voicebox.wsf has new Lame parameters
v2.5.1_ReadMe.txttxt v2.5.1_ReadMe.txt manage 5.6 K 05 Jan 2007 - 03:16 TomCole Read Me file
r22 - 05 Jan 2007 - 03:36:21 - TomCole

Copyright by the contributing authors.