Useful link: http://www.mandrakeuser.org/docs/hardware/hide2.html HDD tuning: /sbin/hdparm /dev/hda Gibt DMA Infos mit using_dma aus. /sbin/hdparm -i /dev/hda Gibt genaue HDD Infos aus. /sbin/hdparm -i /dev/hda¦grep ult Look for MaxMultiSect number ?? /sbin/hdparm -m?? /dev/hda Switch it on with. hdparm -i /dev/hda¦grep dma DMA must be supported by the kernel (ATA/IDE.. section in 'make menuconfig') Check which dma-mode supports your hdd in HDD Info and look where the astrisk by dma is. /sbin/hdparm -d1 /dev/hda To enable DMA. /sbin/hdparm -d1 -X34 /dev/hda To enable Multiword DMA mode 2. /sbin/hdparm -d1 -X66 /dev/hda To enable Ultra DMA mode 2. -X33 Multiword DMA mode1 -X66 UDMA2 -X68 UDMA4 -X69 UDMA5 /sbin/hdparm -c1 /dev/hda To enable 32-Bit transfer over PCI. /sbin/hdparm -k1 /dev/had Keep settings across an IDE reset. Enter hdd tune lines into /sbin/init.d/boot.local (SuSE) /etc/rc.d/rc.local (RedHat) /sbin/hdparm -Tt /dev/hda Reports HDD performance.