[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