Messages in this thread | | | Date | Mon, 19 Mar 2001 13:51:56 -0800 | From | Tim Moore <> | Subject | Re: UDMA 100 / PIIX4 question |
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Mark Hahn wrote: > > > > > I have an IBM DTLA 307030 (ATA 100 / UDMA 5) on an 815e board (Asus CUSL2), which has a PIIX4 controller. > > > > ... > > > > My problem is that (according to hdparm -t), I never get a better transfer rate than approximately 15.8 Mb/sec.... > > > > > > 15MB/s for hdparm is about right. > > it's definitely not right: this disk sustains around 35 MB/s.
The 815e does not use a PIIX4 chipset. My references were to PIIX4 chipsets.
> nonsequitur: the controller and disk are both quite capable of > sustaining 20-35 MB/s (depending on zone.) here's hdparm output > for a disk of the same rpm and density as the DTLA's: > > Timing buffer-cache reads: 128 MB in 1.07 seconds =119.63 MB/sec > Timing buffered disk reads: 64 MB in 2.02 seconds = 31.68 MB/sec > > (maxtor dm+45, hpt366 controller) > regards, mark hahn.
Again, this is not a PIIX4 chipset.
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