Upgrading the PCear FM Radio Using Linux 2.6.26 or newer
The PCear radio, available from dealextreme.com is a low
cost version of the Silicon Labs FM Radio but upgrading it is tricky
as the bootloader is not separate from the main code. This means you
need to install a bootloader in unused code space below 0x3800 that allows you to write above address 0x3800, boot
it and use this bootloader to install yet another bootloader up at 0x3800. At
this point the bootloader is the same as silabs and the unit can be
upgraded normally. Put this archive in
a new empty directory and unzip it. Then
read Readme.txt The PCear contains the following hardware