Messages in this thread | | | Subject | Re: ide cd/dvd with 2.4.19-pre8 | From | (Måns Rullgård) | Date | 18 May 2002 14:42:00 +0200 |
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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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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