Re: cbm 8032 motherboard + 4164

I've seen some boards:

cut

punched

burnt (large tracks)

and even painted!!!



On 07/10/2016 00:39, Mike Stein wrote:
> What would make something non-reversible?
>
> m
>
> ----- Original Message -----
> From: "didier derny" <didier@aida.org>
> To: <cbm-hackers@musoftware.de>
> Sent: Thursday, October 06, 2016 4:08 PM
> Subject: cbm 8032 motherboard + 4164
>
>
>> I tried the following thing:
>>
>> removed -5v
>> removed +12v and send 5v on +12v
>> removed 4116
>> installed sockets
>> installed 4164
>>
>> works!!!
>>
>> just need to restore +9v unregulated  (apparently only used or tape motor)
>>
>> IEEE-488 still not working  (pia cold, look strange)
>>
>> everything is reversible... (no definitive modifications)
>>
>>
>>
>>
>>
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