Date: Thu, 30 Oct 2008 19:00:37 -0400 From: Michael Butler <imb@protected-networks.net> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: FreeBSD stable <freebsd-stable@freebsd.org>, =?ISO-8859-1?Q?Schmidt?= <sos@deepcore.dk>, =?ISO-8859-1?Q?S=F8ren_?= Subject: Re: ICH7M limited to SATA-150? Message-ID: <490A3C95.1050405@protected-networks.net> In-Reply-To: <20081030224519.GA15921@icarus.home.lan> References: <490A0A35.8040109@protected-networks.net> <490A1D74.10008@delphij.net> <20081030224519.GA15921@icarus.home.lan>
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Jeremy Chadwick wrote:
> On Thu, Oct 30, 2008 at 01:47:48PM -0700, Xin LI wrote:
>> 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.
Then there is a correction required to /sys/dev/ata/ata_chipset.c - mine
identifies itself as:
atapci0@pci0:0:31:2: class=0x010180 card=0xff101179 chip=0x27c48086
rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801GBM/GHM (ICH7-M Family) Serial ATA Storage
Controller'
class = mass storage
subclass = ATA
.. where 0x27c4 is "legacy" mode and 0x27c5 is AHCI mode,
Michael
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