Examples:
- Primary IDE master: Burner1
- Primary IDE slave: Burner2
- Secondary IDE master: HDD1
- Secondary IDE slave: HDD2

or
- Primary IDE master: HDD1
- Primary IDE slave: HDD2
- Secondary IDE master: Burner1
- Secondary IDE slave: Burner2

do not mix an optical drive (dvd burner) with a HDD in the same IDE channel.