Hello,

Is there an option to set a specific transfer mode for an ata device,
namely BIOSPIO for acd0 (acd0 on ata1-master)?

The system waits a bit during boot and emits a message:
--
ata1-master: FAILURE - SETFEATURES SET TRANSFER MODE timed out
ata1-master: FAILURE - SETFEATURES SET TRANSFER MODE timed out
--

and then

-- 
acd0: DVDR <HL-DF-ST DVD-RW GWA-4080N/0C09> at ata1-master BIOSPIO
--

I assume that the ata device driver tries to set a higher transfer mode
for the DVD drive, fails, and then assigns the BIOSPIO transfer mode.

I want to let the system not to try different transfer modes, but assign
a specific one.

The usual hint
--
hw.ata.ata_dma="0"
--
did not work

The system is: FreeBSD 5.4-RELEASE #2: on HP nx9105, a laptop.


Regards,

Lyubich, M.

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