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Old 22 October 2019, 08:02   #46
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Join Date: Aug 2018
Location: Dong Guan / China
Posts: 30
Originally Posted by AmigaHope View Post
OK so to clarify -- system works fine with full data caches enabled, including copyback, as long as instruction cache is disabled? That's really weird.

Also to clarify, if MMU libraries are installed, and activated after boot with caches disabled, everything works fine? (other than some weird memory leak)

What happens if you boot using 3.1 hardware ROMs, but then include 3.1.4 maprom in your startup sequence first?

What is the version of your 3.1.4 hardware ROMs?
Yes, as long as caches are disabled in the early boot then everything works fine. With or without MMU libraries. Also i have tried with HD Toolbox 'Directory cache' and 'Direct scsi DMA' enabled/disabled, re-formatted and re-installed xxx times. Same result.

Once I put back the KS 3.1 roms the hard disk partitions becomes unreadable. With HDInstTools I can re-create them, but they never appear in the Workbench so I can not format them and get stuck there. Obviously I am using small partitions < 2 GB.

Also I tried to exchange the PSU but unfortunately the ATX power I have laying around here seems not good. I can not get into the boot screen. Normally boot gives a messed up screen and hangs. Even exchanging back to 68030 CPU same problem so this is not about the 68040. I will need to get another ATX power supply to be able to test.

I made screen captures of all the versions I am using which are displayed in SysInfo.
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Last edited by astremler; 22 October 2019 at 08:19.
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