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Old 02 March 2020, 11:58   #1
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Smile A570 + Terriblefire534

Hi all.

I have the A570 with an A500+, Gary Mod to 3MB (2mb Chip 1MB Slow).
Also have a TF534i with FPU installed. QUADKICK installed roms 1.3, 2.05, 3.1.4 and Diagrom.

I was wondering if anyone else out there is successfully using this hardware combination. A570 doesn't seem to play well with the TF534.

Is anyone able to vouch for the compatiblity / incompatibility ?

Thanks in Advance.

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Old 02 March 2020, 12:05   #2

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Probably an autoconfig issue; I've had all sorts of trouble with things sitting on the CPU slot and things on the expansion slot. It seems to be one or the other.
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Old 02 March 2020, 13:35   #3
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See here: https://exxoshost.co.uk/forum/viewtopic.php?f=68&t=1900

I've got a few ideas, and I've recently received a logic analyzer from China, but no free time at the moment
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Old 02 March 2020, 14:16   #4
Toni Wilen
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There probably is also another problem: A570 (like A590/A2091) uses DMA and DMA is only 24-bit. It won't work if accelerator is not DMA capable or has RAM outside of first 16M of address space. Driver won't have fallback for this situation.
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Old 02 March 2020, 14:36   #5
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Stephen has resourced cdtv.device and I was able to reassemble it changing the memory allocation from any to chip and put it back in rom. But yes - could be other places in rom that also expect to be able to do DMA.
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