ICH7M limited to SATA-150?

[Jeremy Chadwick]

On Thu, Oct 30, 2008 at 01:47:48PM -0700, Xin LI wrote:
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> Hi,
> 
> Michael Butler wrote:
> > Recently, I upgraded the disk in my Toshiba A105 with a 7200rpm SATA-II
> > device but it seems to still talking at SATA-I speed :-(
> > 
> > atapci0: <Intel ICH7M SATA300 controller> port
> > 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x18b0-0x18bf at device 31.2 on pci0
> > 
> >  [ .. snip .. ]
> > 
> > ad0: 305245MB <FUJITSU MHZ2320BJ G2 0000001E> at ata0-master SATA150
> > acd0: DVDR <MATSHITADVD-RAM UJ-841S/1.60> at ata1-master UDMA33
> > 
> > There don't appear to be any obvious 'compatibility jumpers' on the
> > drive, so I'm wondering what gives?
> > 
> > Is it possible this is hard-coded into the BIOS?
> 
> Personally I don't really think ICH7M is capable to do SATA-300.  Intel
> datasheet 307013, page 191 says:
> 
>                        Supported      Supported
> 3 Gb/s Transfer Rate
>                      (Desktop Only) (Desktop Only)
> 
> My understanding is that ICH7- *M* does not support SATA-300 at all.

Xin Li is correct -- the mobile version doesn't do SATA300.

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |