Re: apprentice sorcerer...

yes, exactly

I'm thinking to use this product: 
http://www.ezsbc.com/index.php/products/psu7.html

as it can accept up to 28v even if the board was powered with the 
standard power supply it would not do any harm...

if I wanted to restore the 12v and the 4116 I could 
use:http://www.ezsbc.com/index.php/products/psu6.html 
<http://www.ezsbc.com/index.php/products/psu6.html>



On 13/10/2016 00:11, Mike Stein wrote:
> Ah, OK; so you're going to connect J8-2 to -8 or -9?
>
> I think this time I'd have added a jumper on the board instead of replacing the regulator but yes that's a flying lead (but it doesn't fly far ;-).
>
> Interesting hack to be sure, if you're going to replace the RAM chips anyway and don't need power for the display.
>
> m
>
> ----- Original Message -----
> From: "didier derny" <didier@aida.org>
> To: <cbm-hackers@musoftware.de>
> Sent: Wednesday, October 12, 2016 4:40 PM
> Subject: Re: apprentice sorcerer...
>
>
>> I need +5 in place of +12 for the 4164
>>
>> the idea is to replace the 12v regulator by a 5v regulator :)
>>
>> so this way the board look the same :)  and no flying wire between +5
>> and +12
>>
>>
>> just a little adaptor to connecte the 9v power supply on J8
>>
>> something easy to remove
>>
>>
>>
>>
>>
>>
>> On 12/10/2016 22:34, Mike Stein wrote:
>>> So, you're going to use a 9V supply in the final version instead of the AT(X) ? Sounds good, but why *two* regulators?
>>>
>>> m
>>>
>>> ----- Original Message -----
>>> From: "didier derny" <didier@aida.org>
>>> To: <cbm-hackers@musoftware.de>
>>> Sent: Wednesday, October 12, 2016 3:28 PM
>>> Subject: Re: apprentice sorcerer...
>>>
>>>
>>>> the atx power supply is connected with flying wires...
>>>>
>>>>
>>>> some people blew a fuse when they saw a cherry tree :)
>>>>
>>>> for me it's when I see flying wires :)
>>>>
>>>>
>>>> I guess I can have something nice with a single tension +9v
>>>>
>>>>
>>>> On 12/10/2016 21:19, Mike Stein wrote:
>>>>> Why do you need regulators if you're using an ATX supply?
>>>>>
>>>>> m
>>>>>
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "didier derny" <didier@aida.org>
>>>>> To: <cbm-hackers@musoftware.de>
>>>>> Sent: Wednesday, October 12, 2016 2:38 PM
>>>>> Subject: Re: apprentice sorcerer...
>>>>>
>>>>>
>>>>>> Hi :)
>>>>>>
>>>>>> I dont have any display only a motherboard :)
>>>>>>
>>>>>> actually  composite interface on flat screen...
>>>>>>
>>>>>> in a few ways on vga...
>>>>>>
>>>>>> yes reversible no flying wires, no tracks modified...
>>>>>> just a swap of a few components...
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 12/10/2016 19:39, Mike Stein wrote:
>>>>>>> All reversible of course... ;-)
>>>>>>>
>>>>>>> How are you powering the display?
>>>>>>>
>>>>>>> m
>>>>>>>
>>>>>>> ----- Original Message -----
>>>>>>> From: "Didier Derny" <didier@aida.org>
>>>>>>> To: <cbm-hackers@musoftware.de>
>>>>>>> Sent: Wednesday, October 12, 2016 6:16 AM
>>>>>>> Subject: apprentice sorcerer...
>>>>>>>
>>>>>>>
>>>>>>>> hi
>>>>>>>>
>>>>>>>> I'm thinking to the following modification on the cbm 8032 motherboard
>>>>>>>> reinstall a regulator for 5v  (switched version)
>>>>>>>> reinstall a 5v regulator in place of 12v (switched version)
>>>>>>>> Inject +9v DC on the power supply connector for both 5v and 16v... AC
>>>>>>>>
>>>>>>>> I hope to get:
>>>>>>>> +5v  normal place
>>>>>>>> +5v  in place of 12v
>>>>>>>> nothing on -5v
>>>>>>>> a bit less than 9v unregulated (for tape)
>>>>>>>>
>>>>>>>> I did something similar on a tandy coco 2 and it works fine...
>>>>>>>>
>>>>>>>> any idea ?  (the power supply of the cbm is more complex that the one on
>>>>>>>> the coco)...
>>>>>>>>
>>>>>>>> --
>>>>>>>> didier
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>           Message was sent through the cbm-hackers mailing list
>>>>>>>            Message was sent through the cbm-hackers mailing list
>>>>>>          Message was sent through the cbm-hackers mailing list
>>>>>           Message was sent through the cbm-hackers mailing list
>>>>         Message was sent through the cbm-hackers mailing list
>>>          Message was sent through the cbm-hackers mailing list
>>
>>        Message was sent through the cbm-hackers mailing list
>         Message was sent through the cbm-hackers mailing list



       Message was sent through the cbm-hackers mailing list