-grml dma Enable DMA accelleration for ALL IDE-Drives
-grml nodma ide=nodma Disable DMA accelleration for ALL IDE-Drives
+grml libata.force=[ID:]VAL Force configurations for libata.
+ Usage example: grml libata.force=1:pio4
+ to force pio4 mode on device "ata1:00:"
+grml libata.dma=0 Disable DMA on PATA and SATA devices
+grml libata.ignore_hpa=1 Disable host protected area (which should enable the whole disk)