de bricking Ipaq please Help me..

I try to Istall linux opi 0,82 i've installed the
bootblaster and i try 
to install the bootldr 2.21.12 before i've make abakup and
erase the 
boot loder.
I power of and my 5550 die are there a cheper mode to save 
my Ipaq I Try with hterminal tty but I'cant get in input
mode, hard 
reset ect.
Best Reguards Marco 
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