Many thanks. It works fine for my HD but not for the cdroms.
I modified hdparm the same way for both.
Some explanations?
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/dev/cdroms/cdrom0 {
dma = on
# interrupt_unmask = on
# io32_support = 0
}
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/dev/hda {
# mult_sect_io = 16
# write_cache = off
dma = on
}
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