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Re: How to fall back to PIO for IDE CD's?

On Wed, Nov 18, 2020 at 09:10:17AM +0100, Julian Coleman wrote:
> Hi,
> Most (all) sparc64 have problems with DMA and CD/DVD drives connected to
> the internal controller (aceride).

Can you elaborate on that part? I have

cd0 at atapibus0 drive 0: <JLMS XJ-HD166S, , D3S4> cdrom removable

in the SB2500 and something similar in the v210 but not sure I ever noticed
problems (likely because I barely use CDs or DVDs nowadays).

How to reproduce? Maybe we can fix it better in a different way?


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