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New ADB Soundbox replacement
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barcher174



Joined: 07 Dec 2012
Posts: 607

PostPosted: Tue Mar 13, 2018 2:04 am    Post subject: Reply with quote

Andreas wrote:
barcher174 wrote:
Either way, the video is probably not very useful anyway.


As far as i understood, this board makes it possible to power on a Turbo slab and use it with (Apple)? ADB keyb/mouse and VGA video - or not?
So i think the video-out is essential.


Yes, your understanding is correct. The problem is almost certainly with my cable. The Next original 19pin cable I have with no ADB connection displays fine. Rob is sending me one of the later cables with ADB to verify.
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barcher174



Joined: 07 Dec 2012
Posts: 607

PostPosted: Fri Mar 16, 2018 4:54 pm    Post subject: Reply with quote

I received a proper cable from Rob today:

Part number: 4535.00

I had forgotten that even with B&W, the ADB connection makes the monitor run at a weird 72.5hz which my LCD can process, but not well. Trying another monitor I get a crystal clear image.

So the good news is that everything is working as expected now.

On the non-ADB front, I received parts this week to start a prototype. Based on what I've learned in the past week I'm feeling pretty confident that we can replace the soundbox entirely.

My plan is to use a rasperry pi to prove the communication protocol. While it's weird to use a computer to boot a computer, we can look into replacing it with a more compact solution after we have proof of concept.
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hideehoo



Joined: 31 Mar 2018
Posts: 1

PostPosted: Sat Mar 31, 2018 9:29 pm    Post subject: Reply with quote

Any plans on making the project files or gerbers available? Just picked up a Mono Turbo without a monitor and looking for a cheap way to get it up and going.
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