On Thu, 26 Jun 2003 05:33:35 +0100, Richard Revis wrote:

> This is of particular interest to me as I am about to replace my CDRW with
> a DVDRW and while PIO seemed to be fine for a 4x writer it's not going to
> be able to sustain 6mb/sec!

FWIW this is how I fixed it:

Create a new folder (~/devs) as root.
Make a new node for the DVDRW (MAKEDEV hdd).
Turn on DMA (hdparm -d1 /root/devs).

And CPU usage has dropped from 20% to 5% when ripping data from the drive
:o)

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