My filesystem type is ext3, mounted with the
noatime option. Here is a sample of my /etc/fstab file:
/dev/sda7 / ext3 defaults,errors=remount-ro,noatime 0 1
If you have a IDE hard disk you can also try to optimize it by using hdparm. I will show you some basic tips, but you should refer to hdparm documentation to adapt it to your own hardware.