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Old 16 October 2019, 08:03   #121
Niklas
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Quote:
Originally Posted by toshi View Post
One short question remains. Will the board act as an 1 MB expansion when used in an A500plus? Or just 512 kB in this case?
Hi Stephan!

As of this commit A314 provides an additional 1 MB chip ram in an A500+.
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Old 17 October 2019, 16:06   #122
toshi
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Thanks Niklas!


May I kindly ask if the bill of materials for Revs Beta-2 is the same as for V1.0? I am asking because I cannot find the dedicated BOM for Beta-2?


Thanks a lot
Stephan
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Old 18 October 2019, 12:59   #123
hgw
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Hello, the idea to use the trapdoor in that way is realy nice and a elegant way to bring two worlds together. It remembers me a little on the Bridgecards but this solution seems to me much more promissing.


As a person that has no knowledge in building this board by my own but very interested to test and play with that (have 3 different A500+ with Vampire, ACA500...) my question is: there are plans to sell this board in future?

Last edited by hgw; 18 October 2019 at 14:20.
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Old 19 October 2019, 09:36   #124
Niklas
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Originally Posted by toshi View Post
May I kindly ask if the bill of materials for Revs Beta-2 is the same as for V1.0? I am asking because I cannot find the dedicated BOM for Beta-2?
Yes, the BOM is the same for Beta-2 and 1.0. The changes from Beta-2 to 1.0 are https://github.com/niklasekstrom/a314/issues/5 and https://github.com/niklasekstrom/a314/issues/9. Both are minor changes that affect the layout of the PCB but not the components on it.
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Old 19 October 2019, 09:49   #125
Niklas
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Originally Posted by hgw View Post
As a person that has no knowledge in building this board by my own but very interested to test and play with that (have 3 different A500+ with Vampire, ACA500...) my question is: there are plans to sell this board in future?
I don't know of any such plans at this time. As the design is completely free and open anyone could make and sell these boards, and personally I think it would be exciting if someone did that, as that could lead to that more fun applications are developed for A314. Perhaps reach out to some company that sells Amiga hardware and see if they would be interested?
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Old 22 October 2019, 01:56   #126
Ledfoot
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Hmm, wondering if it would be possible (using the same mechanism as the video playing) to effectively pump/render the contents of any Pi desktop application (in particular a web browser) over to the Amiga side? If information like content size and window size are passed as well, then it should be possible to make the scrollbars synchronized between the 2 environments.

Just spitballing... Almost like window by window VNC...
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Old 01 November 2019, 16:10   #127
Sim085
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Hello, just checking if anyone is selling empty PCBs of the latest version of the A314. I would really like to try and build one of these.
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Old 03 November 2019, 18:24   #128
IanS
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This project looks amazing. Well done to those involved. I hope it gets picked up by someone who can produce ready made boards, as it seems there's a market for it.

As a co-processor, what are its limitations regarding taking on some of the 'heavy lifting' from the 68K? As the ARM chip is so fast, could it also be used to emulate an x86 bridgeboard or super fast 68K accelerator for the Amiga? I know there was talk of using a Pi as an accelerator for the FPGA Arcade boards.

Ian

Last edited by IanS; 03 November 2019 at 18:25. Reason: fixed typo
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Old 05 November 2019, 17:45   #129
CrowStudio
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Hi guys!

Do you have any YouTube material from Amiga34? ;-)
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Old Today, 13:27   #130
Eriond
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I hope it gets picked up by someone who can produce ready made boards, as it seems there's a market for it.
So do we In fact, we have already reached out to a number of well-known retro hardware manufacturers, so now it's a matter of "wait and see"

Quote:
Originally Posted by IanS View Post
As a co-processor, what are its limitations regarding taking on some of the 'heavy lifting' from the 68K? As the ARM chip is so fast, could it also be used to emulate an x86 bridgeboard or super fast 68K accelerator for the Amiga?
The practical, theoretical limitation is that of memory bandwidth. Both towards the Amiga as well as the RPi. Today, with the dynamic arbitration scheme (awsome job, Niklas) in place, there is no delay towards the chipram bus (ie. ~3.5MB/s). Max throughput from the RPi is depending on the SPI bus speed which we have successfully managed at 66 MHz for a RPi v3. Future RPi's may go faster.

We have had a number of questions regarding "super fast 68k accelerators", but even if such an accelerator would be possible, one has to consider what it would accomplish? What would you expect from a super accelerated Amiga? Probably fast GUI response. Maybe the possibility to playback compressed audio and video? Internet access for sure. etc.
All of these are to a large extent already possible today, using the A314 "as is". The software that's already in place, offloads the tedious tasks of decompression, IP stack handling and others to the RPi, and returns pre-processed data directly into the Amigas' RAM. And more software is on it's way, when skilled software developers get access to the A314 hardware. There's already discussions at the A314 IRC channel showing concepts of even more mind-blowing stunts, so to me it seems the RPi-coprocessor has a very bright future on the Amiga scene. Primarily because it doesn't "take over" the Amiga, but instead complements it in a nice, non-intrusive way.
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