02 April 2022, 21:42 | #1 |
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Speed up the A3640!
how the A3640 should work
[ Show youtube player ]
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02 April 2022, 22:40 | #2 |
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When will you have boards to order, lukzer!? Amazing project
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02 April 2022, 23:03 | #3 |
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cool project indeed!
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03 April 2022, 00:03 | #4 |
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I have sent you a PM about ordering a board some months ago - I hope I am one of the first in line
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03 April 2022, 01:18 | #5 |
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Why is it shown as being slower than a standard A4000 in the Sysinfo test?
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03 April 2022, 10:24 | #6 |
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Looks very cool. Similar idea to the old Xcaliber A3640 add-on. Hope the price is affordable compared to TF4060
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03 April 2022, 13:35 | #7 | ||
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Quote:
Quote:
I don't know the price of the TF4060. I do not sell ready-made cards .. only PCB with soldered rc elements and buffers costs 35 euro .. CPLD and memory chip have to be purchased on your own. |
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03 April 2022, 20:15 | #8 |
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04 April 2022, 22:36 | #9 |
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04 April 2022, 22:47 | #10 |
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04 April 2022, 22:51 | #11 |
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Anyway. a cool project. for people with a 3640/3660 it can be useful.
but I want to warn you about the supporthell when people uses DMA stuff.... even if you tell "DMA not working" I can bet money on people will nag :-/ Anyway. kudos for the project! |
07 April 2022, 19:50 | #12 | |
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Quote:
If you're using it for a DMA SCSI controller, Leave some motherboard RAM on, set it to less priority than the X-Calibur-type fast RAM. Then in the mount file for the SCSI partitions, set MASK to exclude addresses above the motherboard RAM. |
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07 April 2022, 20:42 | #13 |
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08 April 2022, 17:03 | #14 |
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Just curious: Can you have a 3640 with your RAM mod with a 68060 stacked on top of that again?
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08 April 2022, 17:24 | #15 |
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I want one!
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08 April 2022, 18:38 | #16 | |
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Quote:
I know this is different but has a chance. |
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14 April 2022, 04:43 | #17 | |
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Quote:
But this RAM is not DMA'able so it shouldn't work anyway. Unless someone has used this RAM expansion with a Fastlane or an A4091 successfully. |
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18 May 2022, 15:37 | #18 |
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Is this a board that will come for sale?
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04 June 2022, 12:51 | #19 |
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Have built this board, but RAM shows up only one or two times from ten ??
I've used Alliance and Micron type memory, swapped CPLD out but no luck |
04 June 2022, 13:14 | #20 |
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