David Z Maze <[EMAIL PROTECTED]> writes: > de|ire <[EMAIL PROTECTED]> writes: >> so if a 5400 rpm is the fastest laptop drive available, what is the >> rpm of the standard drive?
4200 rpm is the standard. > (I don't actually have an answer, but I strongly suspect that drives > with a higher rotation speed [and better performance] will suck up > noticably more battery life. It seems like for PC hard drives, 5400 > and 7200 RPM are the standard options.) I just got a Dell with a 5400 rpm drive, and a 2.0 GHz cpu. I was quite worried that these would cause my battery life to be horrible. Well, I haven't done a careful test, but apm estimates that I'll get a bit over 3 hours on one battery, which is not too bad. (On battery power the cpu runs as 1.2 GHz.) >> has anyone played arond with kernel support for fast DMA on their >> lappie? keen to know if i can get any better on my dell i8k. > > I've played with it some on mine (a Dell Latitude C600, not an > Inspiron). I didn't notice any particular performance improvement > from playing with the options; I got a factor of 4 speed-up as measured by hdparm -t by doing hdparm -d 1 /dev/hda Dan
