Sata disk with 16 bit IO_support

Joan Tur joantur at cancullet.org
Tue Sep 26 19:52:06 UTC 2006


Es Dimarts, 26 de Setembre de 2006 21:31, en Felipe Alfaro Solana va escriure:
| On 9/26/06, Joan Tur <joantur at cancullet.org> wrote:
| > Hallo!
| >
| > My brand new laptop (LG LW20) has got a 1,8" sata disk drive; I've
| > installed Kubuntu 6.06.1 in it, and have noticed that IO_support was 0
| > (16 bit), instead of 1 (32 bit).
| >
| > Running "hdparm -c1 /dev/sda" shows "HDIO_SET_32BIT failed: Invalid
| > argument"
|
| AFAIK, most of the tunables of hdparm are useless for SATA controllers
| (only for PATA controllers). Anyways, you can be pretty sure you're
| using 32-bit access, bus-master transfers to and from your hard disk,
| since almost all SATA controllers do support bus-master and are based
| on PCI or PCI-Express bus designs (not ISA).
I think you're wright, as I get about 18MB/s transfer rates from hdparm.

Thanks for your answer  ;)
-- 
Joan Tur (aka Quini), Eivissa-Spain
    Jabber: quini2k at jabber.org
       Yahoo & AIM: quini2k
        www.ClubIbosim.org
  Linux: usuari registrat 190.783
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 191 bytes
Desc: not available
URL: <https://lists.ubuntu.com/archives/ubuntu-users/attachments/20060926/1d4f2cf1/attachment.pgp>


More information about the ubuntu-users mailing list