Hello,
I just solved I problem I had for a while and wanted to share my
experience, so it doesn't get lost.
Situation:
Debian
CD writer (on hdc)
kernel 2.4.20
devfs
# hdparm /dev/hdc
/dev/hdc: No such file or directory
# hdparm /dev/sr0
/dev/sr0 not supported by hdparm
Problem:
How does one setup DMA in this case?
Solution:
You must create a /dev/hdc device node for hdparm, you cann't do it in
/dev, because devfs wouldn't let you to. So:
# cd /root
# mknod hdc b 22 0
hdparm works now!
# hdparm -d 1 -X 34 /root/hdc
/root/hdc:
setting using_dma to 1 (on)
setting xfermode to 34 (multiword DMA mode2)
using_dma = 1 (on)
:)))))))))))))))))
--
Best regards,
Aigars Mahinovs mailto:aigarius@debian.org
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