Date: Sat, 12 Dec 2009 16:11:13 +0100 From: Stefan Bethke <stb@lassitu.de> To: Alexander Motin <mav@freebsd.org> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: ahci and ICH7? Message-ID: <96EA1AB3-E916-4373-B533-0E552E3C8C78@lassitu.de> In-Reply-To: <4B2380D5.1090102@FreeBSD.org> References: <F8E407F5-CB7D-4351-9D77-B965AF1AE4F7@lassitu.de> <4B2380D5.1090102@FreeBSD.org>
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Am 12.12.2009 um 12:39 schrieb Alexander Motin: > Stefan Bethke wrote: >> After being very satisfied with ahci(4) on an Intel DG45FC (G45 = chipset) with 8-stable, I tried on a box with a Asus P-P5G41 (G41 = chipset), but ahci is not attaching. atapci continues to attach, and = I'm wondering whether I'm doing something wrong, the BIOS is = misconfigured, or ahci can't talk to ICH7-based AHCIs? I'm loading ahci = from loader.conf. >=20 > There are several types of ICH7. Most of them doesn't support AHCI = mode. > Rare exceptions are ICH7R and ICH7M AFAIR. G41 is low-end desktop > chipset, which uses low-end ICH7 SB, so usually there is no luck. Looks like you're right, the BIOS does not offer any configuration = option to enable AHCI or RAID functions for the two SATA ports. Stefan --=20 Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
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