On Fri, Sep 27, 2002 at 08:32:21PM +0200, Hanspeter Roth wrote:
> Later?! You are right. I haven't realized this.
> 
> pciide1:0:0: lost interrupt
>         type: atapi tc_bcount: 32 tc_skip: 0
> pciide1:0:0: bus-master DMA error: missing interrupt, status=0x21
> cd1: transfer error, downgrading to Ultra-DMA mode 1
> cd1(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 1 (using DMA data transfers)

Well, if it only downgrades to  Ultra-DMA mode 1, it's still using DMA.

> 
> What could be the cause?
> Does the cable matter? Do I need 80 pin cables?

I found that 80 pin cables could improve the situation on some occasions,
even for Ultra-DMA 2 (where it's not required). If you have one around,
it's worth a try.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
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