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SubjectRe: ide cd/dvd with 2.4.19-pre8
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Andre Hedrick <andre@linux-ide.org> writes:

> The driver pulled your system back into safe data io ranges.
> Either your cable routing is poor,
I use the cable that came with the controller. It runs as strait as the
box allows. How sensitive are these things really?

> your power supply is marginal, possible
It's 300 W. Isn't that enough?

> but not likely (hardware combination does not like the odd or even cable
> grounding setup), regardless it did the correct thing.
>
> The problem is a feature to prevent the driver from dropping out of DMA
> to PIO when it is better to down grade the transfer rate.
>
> The next issue is whether your ATAPI is in DMA, and it should not be.
> The driver core does not use split dma engines yet.

Was there some change from 2.4.18 to 19-pre8 in this area?

Is there any way to use the disk in udma5? Can there be compatibility
problems with the disk?

--
Måns Rullgård
mru@users.sf.net
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