Tom Brinkman wrote:
>
> On Sat, 18 Dec 1999, Ken Hughes wrote:
>
> Tried that it won't let me
>
> > Try 'info hdparm'. If you can enable dma using '-d1' (among
> > other parameters), then you could add a hdparm line to rc.local.
> > Mine looks like this for a WD 8.4g:
> >
> > hdparm -m8 -c1 -u1 -d1 -k1 -a128 /dev/hdb
> > .. Tom Brinkman [EMAIL PROTECTED]
>
> Won't let you, info hdparm?, set the dma flag 'd1'?, or put
> your setting in rc.local?
>
> It's important that you read 'info hdparm' as some settings can
> be dangerous. The 'info' clearly says what the various switches
> do and what ones should be used with caution. Also, as in my example
> hdparm line, some drives have recommended settings, eg., 'info'
> suggested a low setting for the 'm' switch for my WD HDD's.
>
> It might help if you posted your results for:
>
> 'hdparm -i /dev/hd<your drive letter>'
>
> 'hdparm -v /dev/hd<your drive letter>'
>
> --
> .. Tom Brinkman [EMAIL PROTECTED] .
>
The problem with this one is that the standard kernel doesn't support
DMA/UDMA on the Ali M15xx chipset. I have the same chipset, and had to
recompile the kernel after applying the ide patch for this problem. The
only problem is that it disagrees with my cd-writer, causing linux to
lock up hard when loading vmware. I guess i just have to settle for
8mb/sec times from my drive instead of 15-16 ;-) You might have better
luck, depending on your cd-roms.
--
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