| I presume that translates to "the particular sh3 that you have can
 | not run this code".
 | 
 | For clarification, this unit is actually manufactured by LG for
 | Novatelwireless.
 | 
 | Any guesses, anyone?

What are Windows CE version and its build number?
Though netbsd kernel can't boot, hpcboot.exe runs under my Jornada 548.
And my experience, Jornada 680/690 kernel breaks Jornada 548 hardware. 
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UCHIYAMA Yasushi
uch@polyphony.co.jp