26 October 2017, 15:02 | #2101 |
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Guys. how do I know if my Xilinx cplds ( That I bought) are 10ns, and when is the T530s (SATA) board be available to buy..
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26 October 2017, 15:26 | #2102 |
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Speedgrade is specified in part of the part code thats printed on the package usually.
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26 October 2017, 19:16 | #2103 |
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Well this are the ones that I bought...
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26 October 2017, 19:44 | #2104 | |
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wrong chip
You need 64 pin, not 44.. Quote:
No metter will You design new boards for Amiga or not, i will NOT unsubscribe from Your channel. Cause i know, there will be a lot of fun there. Will it be Atari, MiST or something totally different! Last edited by 8 Bit Dreams; 26 October 2017 at 19:55. |
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26 October 2017, 21:36 | #2105 |
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Oh I will do boards for sure. Trip to Boston first
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26 October 2017, 23:22 | #2106 |
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Oh yeah wrong one. Lucky I canceled that order, is this the correct one then.. For the bus and ram...
Last edited by hooleydog; 26 October 2017 at 23:37. |
27 October 2017, 05:37 | #2107 |
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i dont suppose you would consider a side project of a 530 or 534S for the A600? cant be difficult (well, impossible for me) and i am sure all the A600 owners would share the love.
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27 October 2017, 06:06 | #2108 |
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We discussed this on one of the live streams with Steve recently.There will be no boards for A600. But there will be something for A1200
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27 October 2017, 07:50 | #2109 |
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Very nice device and I would like to get one for my A500, but 2MB Fast RAM is simply not enough. 8MB should be the minimum for this I am afraid.
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27 October 2017, 10:20 | #2110 |
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27 October 2017, 12:57 | #2111 |
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This ram is insanely expensive and 8mb would set you back around $150 alone. Having said that, the sources sre open so a hw engineer could easily make one with more ram.
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27 October 2017, 14:43 | #2112 |
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I am just following this, and I don't quite grasp the RAM situation. Why use super expensive RAM? Does it simplify the design? Back in the days we typically used 30 pin or 72 pin SIMMS, these are still available, do they require expensive/complicated RAM controllers?
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27 October 2017, 14:53 | #2113 |
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I'm assuming something 68030 based? the A600 could use a nice 68030 board far better than an A1200, you can take your pick of A1200 boards based around a 68030. unless it's something 68040 or 060 based. that would be nice.
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27 October 2017, 15:07 | #2114 | |
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Quote:
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27 October 2017, 15:34 | #2115 |
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Also, board specs were to be 10cm*10cm so they can be affordable by everyone, so that rules out SIMMs. Something that has been really important in making these available and cheap to prototype.
Nothing stopping you adding other RAM, such as PeteAU's trapdoor + Gary open source project, or one of the many other RAM projects out there. |
27 October 2017, 15:54 | #2116 | |
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Quote:
The A600 has the Furia board and the vampire. No need Sent from my iPhone using Tapatalk |
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27 October 2017, 15:57 | #2117 | |
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Quote:
DRAM is pathetically slow. We can max the cpu with SRAM and make it out perform an A1200 at the same clock speed. That was the goal and it worked. If you want more ram this is not the project for you. The RAM chips I used were £1.50 each when I started the project so they weren’t super expensive. Sent from my iPhone using Tapatalk |
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27 October 2017, 16:23 | #2118 |
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Has the TF530 created such demand for these chips that the market price has increased?
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27 October 2017, 16:53 | #2119 |
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It has, but that's a standard business model for stores like digikey and mouser. The same happened with the tf328 ram, except in this case we had more alternatives.
The ISSI sram is still 50% cheaper but doesn't work properly on the 530. |
28 October 2017, 09:51 | #2120 | |
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Quote:
I will fix it at some point. But probably after the TF534S Sent from my iPhone using Tapatalk |
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