libata - wrong IDE cable detection with dvd burner

Hi there, Using 2.6.22-rc3 and finding it impossible to get the UDMA/66 connection advertised by a new dvd burner. Substituting an old hard drive in place of the DVD yields UDMA/100. Yet with the same cable, libata refuses to do more than /33 complaining that it's a 40-wire cable. I've

libata - wrong IDE cable detection with dvd burner

Hi there, Using 2.6.22-rc3 and finding it impossible to get the UDMA/66 connection advertised by a new dvd burner. Substituting an old hard drive in place of the DVD yields UDMA/100. Yet with the same cable, libata refuses to do more than /33 complaining that it's a 40-wire cable. I've