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BM54 does not act like a BM54 unit BM54 does not act like a BM54 unit
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  #81  
Old 06-13-2017, 12:46 PM
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Hi i am looking for the eeprom dumps from bm54 radios!

29f400
24c64
27lv010

I need the dumps for repair a radio..

Please help!

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  #82  
Old 02-26-2018, 05:45 PM
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Just checking if this topic is dead...

Can someone give me some ideas.
Bm54 is plain dead, doesn't communicate with navcoder, checked all voltage regulators, seems like voltages are as should.
29f400, 24c64 and 27lv010 are reprogrammed.
Could it be that c161 is dead?
Found before cold solder joints around the ground shielding - which wasnt the case for this defect.
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  #83  
Old 04-05-2021, 03:19 AM
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Quote:
Originally Posted by Lexazan View Post
Hi, sorry for bumping an old thread, but I am tinkering my BM54 for two days now, and still out of luck flashing 29f400 . I managed to connect C161 to TTL serial adapter and processor was detected by FLASHit, then I successfully made a flash dump and tried to flash new firmware back, but got time-out error

Attachment 63661


So far tried: +12V on RST, different baud-rates in FLASHit, all "Target reset" configuration possible, flashing from other computer and then from Windows XP 32bit virtual machine. Any thoughts?
Hello.
Tell me, did you successfully program with FLASHIT9? I am in the same place as you.
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