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Cc: freebsd-questions@freebsd.org, arab@tangerine-army.co.uk
Subject: Re: Onboard SATA Controller of Intel DH55HC Motherboard (FreeBSD 7.3
 & FreeBSD 8.1)
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Bahman Kahinpour <bahman.linux@gmail.com> wrote:

> Is AHCI mode the best mode for SATA controller?
> (highest speed, utilizing all fancy features, ...)

In general, probably yes, provided the combination of hardware
and driver actually works properly _all_ the time :)

AHCI is new enough that the occasional hardware erratum or
driver bug might be more likely than with an older technology
such as IDE or ATA.