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Date:      Wed, 24 Jan 2018 12:11:02 +0000
From:      Nimrod Levy <nimrodl@gmail.com>
To:        Mike Pumford <michaelp@bsquare.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Ryzen issues on FreeBSD ?
Message-ID:  <CAMgUhprXtknTNxW63e5hVFPZP3ad6GbjLCwqe5N9hGbvxWm_tw@mail.gmail.com>
In-Reply-To: <508a8c83-a449-3c5d-c3bf-b308d91c80c0@bsquare.com>
References:  <8e842dec-ade7-37d1-6bd8-856ea1a827ca@sentex.net> <3b625072-dfb3-6b4f-494d-7fe1b2fa554c@ingresso.co.uk> <2c6ce4dd-f43c-7c40-abc2-732d6f8996ec@sentex.net> <tkrat.6d8f44d87e74fa14@FreeBSD.org> <795dbb79-3c18-d967-98b9-5d09a740dbfe@sentex.net> <CAMgUhpr%2B5HeBi1MRegs=XoKpdHW8-i%2Bec0k-DNaL_pcN6PCPKw@mail.gmail.com> <tkrat.5ec856810e0c7ced@FreeBSD.org> <CAMgUhpqZyCOjqVhMCAi-b_JaKYtyfqDf0pOcX0LwV2dcTuusyg@mail.gmail.com> <CAMgUhpqpYpoi1bD9h_SYvh83g_Csky%2BqMkTsOYZ1zcHYxtMeHg@mail.gmail.com> <dd29d77a-deb9-423e-f9b8-cb07387bbfd5@sentex.net> <9b769e4e-b098-b294-0bce-8bb1c42e8a59@rootautomation.com> <a601973f-9205-8dd9-7f78-a7f03985ab4a@sentex.net> <CAMgUhpop3=J7TQimK2iHdGTc=hnTgCEZDqibDSRCyTPMWX5wJQ@mail.gmail.com> <CAMgUhprfSFv1268-MtQoMn%2BgD-DtOhR2-rnFsMHTgJrK0dop6Q@mail.gmail.com> <508a8c83-a449-3c5d-c3bf-b308d91c80c0@bsquare.com>

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The RAM was detected by the MB as 2400.  I didn't change it until I set it
to the slower speed.

On Wed, Jan 24, 2018 at 7:06 AM Mike Pumford <michaelp@bsquare.com> wrote:

> On 24/01/2018 11:55, Nimrod Levy wrote:
> > Changing the memory speed from 2400 to 2133 in the BIOS has given me 4.5
> > days of uptime so far.
> > The memory is supposed to be 2400.
> > I'm still confused, but I'll accept the result
> >
> I've run into this on modern Intel systems as well. The RAM is sold as
> 2400 but thats actually an overclock profile. If I actually enabled it
> (despite both board and RAM being qualified for that) the system ends up
> locking up or crashing as soon as you stress it. Go back to the standard
> DDR profile advertised by the RAM and it is totally stable.
>
> Mike
> --
> Mike Pumford | Senior Software Engineer
>
> T: +44 (0) 1225 710635 <+44%201225%20710635>
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-- 

--
Nimrod



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