Re: AppleNet adaptor schematics

Looks that way! I haven't seen or heard about any software, though. It's a curious device that remains pretty much unexplored.

--Tom

On Fri, Nov 22, 2019 at 1:52 PM Jason Perkins <perkins.jason_at_email.domain.hidden> wrote:

> I was going through old emails and spotted this in unread... wow!
>
> So the Lisa was intended to netboot? Does any of the AppleNet software
> still exist?
>
> Thanks,
>
> On Thu, Nov 29, 2018 at 5:50 PM Tom Stepleton <stepleton_at_email.domain.hidden> wrote:
>
>> Hi list,
>>
>> It happens that I may have been one of the people to buy from the lot of
>> AppleNet cards that Al Kossow advertised on the list a while back. I
>> promised him that I would try to derive a schematic of the card by early
>> next year, but it turns out that I couldn't wait. I got to work right away.
>>
>> Now I have to warn everyone that I'm not an EE, and so even though I can
>> use a multimeter, there's a lot I don't know about how circuits are
>> arranged or how to draw up a good schematic using all of the usual
>> conventions that EEs use. It's likely that what I've come up with has
>> plenty of bugs. And---ordinarily I'd wait until I had time to study and
>> understand the circuit, since that's a good way to spot mistakes, too.
>>
>> But: the festive season is coming, and my work table needs to move to
>> make room for the Christmas tree. December is always busy anyway, so it's
>> probably better to release what I have now, then hopefully return to the
>> project in 2019 sometime.
>>
>> So: please feel free to take a look at my early draft! You can find the
>> schematic on my github:
>>
>> https://github.com/stepleton/applenet
>>
>> (for a PDF, select "applenet.pdf" and then click the Download button for
>> a closer look.)
>>
>> Now a couple of the labels are intentionally silly, but there's probably
>> plenty of things there that are unintentionally funny, too. If you are more
>> of an electronics pro than I am, I'd be very happy if you could have a look
>> at the schematic and see if anything looks obviously wrong to you. It'll
>> still be a few days before the work table needs to go away, so I can
>> reexamine the parts of the circuit that you're wondering about and
>> hopefully make a correction. Any other suggestions are welcome, too.
>>
>> OK, that's all. I hope this is interesting,
>> --Tom
>>
>> --
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>
>
> --
> Jason Perkins
> 313 355 0085
>

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