Look here it helped me
http://www.oreillynet.com/pub/a/linux/2000/06/29/hdparm.html
On Saturday 02 December 2000 06:17, you wrote:
> Maybe i'm wrong, but i remember having seen hdparm settings in rc.locale
> or in mandrake.everytime script before (is 7.1, i think). Now i can't
> find any 'hdparm' pattern in my entire etc directory, and everything
> seems to be trigerred by lilo autotune=1 option at boot time. Is this
> right ?
> This setting seems not very efficient : on my own box, I/O is set to
> default 16 bits, and on the mirror i'm currently installing, neither DMA
> nor I/O are OK, altough they both got very recent drives. So, have i to
> hardcode correct setting in start scripts as before to fix this ?
