You should expect your 5400 drive to be a fair bit slower than yout 7200,
my 5400 gets 13MB/s
So your results look ok to me, what were you expecting ?
> Sorry if this question had been ask before. I 'd been toying around
> with the ATA 66 configuration for a couple of days but the results
> from hdparm 3.5i does not seems to be promising ( or maybe I
> misconfigure it )
>
>
> I was puzzled by the results as it's buffered disk reads is
> definitely faster than the ATA 33 drive ( my second ATA 33 drive is
> 5,400 rpm and this might be the cause ) > 5 MB/sec difference. This
> results between Abit hot rod and my on board BX chip set does not
> make any difference at all. My bios stated a UDMA 33 on the original
> BX chip sets and when plugged into the Hot Rod card it identified the
> drive as ATA 66 but the hdparm results remain quite similar.
>
>
> thanks
> regards
>
> with hdparm -tT /dev/hda
>
> /dev/hda:
> Timing buffer-cache reads: 128 MB in 1.41 seconds =90.78 MB/sec
> Timing buffered disk reads: 64 MB in 3.92 seconds =16.33 MB/sec
>
>
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