okay yeah i checked the different jumper settings, and the different options are
1)master
2) slave
3) cable select
and thats it.
So we tried setting the cdrom drive and the hard drive both as cable select, and we got the HD to be master and the cdrom drive to be slave, but we still get that dmi error

.
then we toff off the cdrw drive, and tried the HD by itself as master...still got the DMI error

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