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Using the car adapter feature on a Sansa c240

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anathema:
I have a sansa c240 with rockbox 3.1. What i'd like to be able to do is have the player turn on when i turn the key on in my car while it's connected to the usb charger. The problem is whenever it receives power from the charging cable while turned off it boots into the original firmware instead of rockbox! >:( I wonder why it's doing this? Is this a limitation of rockbox or is it the player i'm using or the charger? Any ideas on how to make it work if it's possible? ???

yapper:
I would suspect the charger. My c250 works well using Car Adapter mode (with r20107).

soap:
This is a function of the Rockbox bootloader you have installed.
New bootloaders are being tested for the Sansas now that we have no more need of the original firmware for anything (yay USB!).
http://www.rockbox.org/tracker/task/9955 is the Flyspray entry, and the C240 needs tested!

anathema:
How do I install the new bootloader?

yapper:
For Windows:

Download sansapatcher.exe from http://download.rockbox.org/bootloader/sandisk-sansa/sansapatcher/win32/sansapatcher.exe
Download the new bootloader (see Soap's link above to the Flyspray task)
While logged in with an administrator account run sansapatcher:

For a c250:

--- Code: ---C:\c200>sansapatcher -a firmware.mi4
sansapatcher v0.7 with v5.0 bootloaders - (C) Dave Chapman 2006-2007
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[INFO] Scanning disk devices...
[INFO] c200 found - disk device 3
[INFO] Reading partition table from \\.\PhysicalDrive3
[INFO] Sector size is 512 bytes
[INFO] Part    Start Sector    End Sector   Size (MB)   Type
[INFO]    0            1017       3972095      1939.0   FAT16 (0x06)
[INFO]    1         3972096       4013055        20.0   OS/2 hidden C: drive (0x
84)
[INFO] Bootloader firmware.mi4 written to device.
--- End code ---

For a c240:

--- Code: ---C:\c200>sansapatcher -a firmware.mi4
sansapatcher v0.7 with v5.0 bootloaders - (C) Dave Chapman 2006-2007
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[INFO] Scanning disk devices...
[INFO] c200 found - disk device 3
[INFO] Reading partition table from \\.\PhysicalDrive3
[INFO] Sector size is 512 bytes
[INFO] Part    Start Sector    End Sector   Size (MB)   Type
[INFO]    0            1023       1965567       959.3   FAT16 (0x06)
[INFO]    1         1965568       2006527        20.0   OS/2 hidden C: drive (0x
84)
[INFO] Bootloader firmware.mi4 written to device.
--- End code ---

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