On Tue, Jan 18, 2005 at 20:40:57 -0000, Nick wrote: > Ok I?m new to this so? > > > > I have a Thinkpad R50 model 1829 configured as a dual boot XP Pro and > RH9 (2.4.20-8). I cannot set my hard drive to DMA mode using hdparm. IMHO kernel 2.4.20 is way too old to support the Pentium M chipset (including the IDE ports) which is used in your R50. Regards, Tino