Date: Thu, 30 Oct 2008 13:47:48 -0700 From: Xin LI <delphij@delphij.net> To: Michael Butler <imb@protected-networks.net> Cc: FreeBSD stable <freebsd-stable@freebsd.org> Subject: Re: ICH7M limited to SATA-150? Message-ID: <490A1D74.10008@delphij.net> In-Reply-To: <490A0A35.8040109@protected-networks.net> References: <490A0A35.8040109@protected-networks.net>
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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.
Cheers,
- --
Xin LI <delphij@delphij.net> http://www.delphij.net/
FreeBSD - The Power to Serve!
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