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Subject: Re: JBR20 won't start after 2.2 firmware upgrade

Re: JBR20 won't start after 2.2 firmware upgrade

From: <>
Date: Thu, 15 Apr 2004 16:46:50 -0700

Just a thought: if you place the rockbox firmware in the root as ajbrec.ajz,
will it load it even with the F1+on method? If so, maybe boot to your older
version of Rockbox (2.1), then flash to a current daily build?

Quoting Jake Park <>:

> I spoke to few people in the IRC and they told me to send mail. here is my
> story...
> I had rockbox 2.1 firmware flashed on my v2 JBR20 for while(worked great!!)
> and wanted to upgrade to 2.2 I ran rockbox.ucl after copying from the zip
> and it gave me an error "incompatible...." and after that "ROLO error:"
> followed by "checksum error:" and it turned off by itself. (I used
> rockbox.ucl 'cause when i ran ajbrec.ajz from directory, it said "ROLO error
> & checksum error" So, I figure rockbox.url will take care of that)
> Now, I can turn on the player in archos firmware ONLY using F1+on button,
> however, if i just turn it on using ON button, nothing shows up. Just a
> green light and after while it shuts off(about 10-15 sec). By using F1+ON,
> JBR20 will load archos 1.40a. 1.40a seems functional and plays mp3 without
> a problem. I can connect to JBR20 using USB with F1 pressed. It won't load
> USB without F1. I have changed different version of firmware from 2.1 to
> 2.2 and different builds but no avail. Please help, I love rockbox. I want
> it back. Thank you in advance.....
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Received on 2004-04-16

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