Re: 2031LP 75161 wiring question

From: Jim Brain <brain_at_jbrain.com>
Date: Sat, 4 Aug 2018 14:20:37 -0500
Message-ID: <b67ad8be-ae05-5b5d-5b09-64a408ef1a78@jbrain.com>
On 8/4/2018 2:41 AM, Spiro Trikaliotis wrote:
> Hello Jim,
>
> * On Sat, Aug 04, 2018 at 01:11:37AM -0500 Jim Brain wrote:
>> On this portion of the 2031LP schematic:
>>
>> ftp://www.zimmers.net/pub/cbm/schematics/drives/old/2031/page-12r.gif
>>
>> The DC pin for the 75161 is not shown.  Does anyone know what it is connected
>> to?
> I asked this very same question 11 years ago:
>
> http://www.softwolves.com/arkiv/cbm-hackers/12/12224.html
>
> Even Bild Herd answered there. ;)
/me hangs head in shame.  It was late, and I assumed the question was so 
esoteric a search would be fruitless.
>
> You want to create a 1541 to 2031LP conversion board, don't you?
>
> I tried that back then, but never finished the project. The EAGLE files
> are still on my HD, though.
I think I am recreating what you were attempting, a combo unit.  I will 
put my files up today so you can look at them.

Jim
Received on 2018-08-04 22:02:32

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