[ltp] [T60] Is SATA slower than PATA?
Brad Langhorst
linux-thinkpad@linux-thinkpad.org
Wed, 15 Nov 2006 01:06:54 -0500
On Tue, 2006-11-14 at 09:42 -0500, Chris Hanson wrote:
> Theodore Tso wrote:
> > What kernel / kernel config do you have? If you disable AHCI mode,
> > you need to have CONFIG_SCSI_ATA_PIIX enabled; I also have
> > CONFIG_SCSI_SATA_AHCI disabled on my (custom built) kernel, and on my
> > T60p (with a 2GHz Core Duo):
> >
> > <tytso.root@candygram> {/usr/projects/ipw3945/ipw3945-1.1.2}, level 2
> > 517# hdparm -I /dev/sda
> >
> > ATA device, with non-removable media
> > Model Number: HTS721010G9SA00
> > Serial Number: MPCZH1Y0GGNH4D
> > Firmware Revision: MCZIC10H
>
> Very interesting. I have a T60p (2007-93U) with the same disk and get
> half the speed that you do:
>
> ravna:1$ sudo hdparm -Tt /dev/sda
>
> /dev/sda:
> Timing cached reads: 2128 MB in 2.00 seconds = 1064.79 MB/sec
> Timing buffered disk reads: 152 MB in 3.02 seconds = 50.33 MB/sec
I think these test results are all within error of each other...
brad