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SG135 C2000 BUG

RobertoR

Hello, I recently bought a used SG135 rev.1 which has AVR54 bug (I found out about this bug after I buy it).

For others vendors I found a possible fix, but not for Sophos.

There are two (as far as I know) fixes:

1. Replace a atom c2xxx with C0 revision

2. external pull-up resistor (18.2k to 10k), from LPC_CLKOUT0 or LPC_CLKOUT1, tied to 3.3V

Did someone tried to fix this bug? (I use home license, so I don't have any agreement with Sophos).

 

Best regards,

  Robert

 

 

 



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  • 0 in reply to Jeff Bowman

    Check your soldering again. The PCB  not really good quality, maybe something else around the soldering has been compromised - or the pad which connects the backside of the pcb to the case (some flimsy silicone pad) has collected some conductive soldering stuff and shorts something.

    Cheers

     

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