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Old 20 September 2021, 03:12   #21
jasonsbeer
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Project update: I have finished routing Rev 2.0, which is intended to support both 8372A and certain 8375 Agnus chips on the same board. I'll probably send this off for fabrication soon.

My next quest is to either buy or borrow some different 8375 Agnus part numbers. Please let me know if you can help out with any of the Agnus part numbers below.

390554-01
390554-02
318069-12
318069-13
318069-10
318069-11
390544-01
390544-02

I also added a discord channel for this project...https://discord.gg/NU7SPYfNFj
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Old 24 September 2021, 16:15   #22
Darby2000
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Nice work and great to hear Jason - was going to pick up a v1.2.1 board off of eBay here this week, so will hang back. What’s the feature list we can look forward to with v2.0?

You also mentioned a potential group buy with the SMD already soldered on GitHub - couldn’t see it - do you have a link?

Thanks
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Old 27 September 2021, 00:11   #23
jasonsbeer
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Quote:
Originally Posted by Darby2000 View Post
Nice work and great to hear Jason - was going to pick up a v1.2.1 board off of eBay here this week, so will hang back. What’s the feature list we can look forward to with v2.0?

You also mentioned a potential group buy with the SMD already soldered on GitHub - couldn’t see it - do you have a link?

Thanks
Revision 2.0:
  • Support both the 8372A and the aforementioned 8375 part numbers. This is configured via a number of jumpers.
  • Added an internal header that provides access to the external floppy drive signals, allowing users the opportunity to use DF2 and DF3.
  • Added the original Amiga real time clock circuit as an option. This allows users to choose, if they prefer, the higher accuracy MSM6242, which is tuned with a trimmable cap. You still have the option to install RTC32423, which is less accurate, but is a simpler circuit

This is the link I discussed. Not sure what became of it. You can try contacting the people in the discussion. It was not necessarily a group buy, but there was discussion of purchasing pre-populated boards of some configuration. https://github.com/jasonsbeer/Amiga-2000-ATX/issues/7

I should mention it will be several weeks before I can get one of the Rev 2.0 boards assembled and tested.
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