hard drive impact on overall system performance



Hi guys, I consider myself a decent computer tweaker, but recently
something I had learned to live with has bugged me - and I'd like to
fix it. Maybe you can help.

Let me explain: my current box is a p4 3Ghz, 1Gig of ddr2 ram, win xp.
The hard drive is 180gig SATA. It plays the latest video games, etc, no
problem. But, say I unrar a 600 meg file, that's when I can hear the
drive go in overdrive. Fair enough as it's probalby reading and writing
at the same time, but that doesn't explain why the machine slows down
to crawl when that happens.

What I don't understand is why it slows down at all. After all I'm
using only 200meg of ram, so there's no reason for swapping. Unraring a
file itself takes very little ram if any. No, it seems to be just
'using' a drive that somehow overload the bus and slows down the rest.

Now, the issue is common to all computer I ever owned or worked on
(including my good ol' 386). Basically, I build them with the fastest
components of the time, yet every single box had the hard drive as a
bottle neck to performance.

Is there a way to somehow 'fix' this issue? Or is this just the way
things work?

Any advice would be appreciated.

Steve.

.



Relevant Pages

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