SATA 300 Drive Being Run At 150

[Eduardo Meyer]

On 7/26/07, Jeremy Chadwick <koitsu at freebsd.org> wrote:
> On Thu, Jul 26, 2007 at 10:14:02AM -0700, Jeremy Chadwick wrote:
> > 5) This drive isn't available in the United States, so I'll have to go
> > off of foreign docs.  AUS docs don't show this drive as having any such
> > jumper, but the docs are sparse:
> >
> > http://www.samsung.com/au/support/productsupport/download/Model_Select.aspx?type=Hard+Disk+Drive&typecode=12&subtype=HDD%283%2E5%29&cmssubtypecode=1203&model=HD080HJ&filetype=UM
>
> I stand corrected, though in a weird way:
>
> Version 5.0 of the manual for this disk does not mention any jumper.
> Instead, Samsung insists you "use software to ensure SATA150".  From
> the 5.0 manual:
>
>   Note: In some rare cases SATA 1.5Gb/s hosts can not establish SATA
>   interface connection with SATA 3.0Gb/s devices due to interface
>   protocol issues.
>   In this case you should switch your drive to SATA 1.5Gb/s speed
>   with a software which we are providing via www.samsunghdd.com.
>
> The amusing part is that Version 3.0 and 4.0 of the manual mention the
> drive having a SATA150-limit jumper.

So it is probably a difference related to the date/version of the
disk. Mine one has the jumper. Probably some newer ones need it to be
software-configured.

I think I can find a nVidia chipsed SATA2 controller to find out if
this is a problem related to this disk + ICH controller combo.



-- 
===========
Eduardo Meyer
pessoal: dudu.meyer at gmail.com
profissional: ddm.farmaciap at saude.gov.br