Quote Originally Posted by pau1knopp
I am having the same problem with a "stuttering DVD". My dvd is /dev/scd0, but when I run this command I get the following error...

root@wally:/debs# hdparm -v /dev/scd0
/dev/scd0 not supported by hdparm

The drive is a compaq IDE dvd drive. Anyone else run into this?

Regards,

~paul
You do not do it on the scsi emulated device but the /dev/hd? that the device is before the emulation happens then it turns on the dma for you on the drive and it is then continued to be used when the emulation takes place.