Date: Sat, 6 Nov 2010 10:56:52 -0700 From: Artem Belevich <fbsdlist@src.cx> To: Thomas Zander <thomas.e.zander@googlemail.com> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: How to tell whether ECC (memory) is enabled? Message-ID: <AANLkTikWS_EFzJ8x%2B2wR38ieN7Y5o5St-6uSnhL1ygaK@mail.gmail.com> In-Reply-To: <AANLkTikfavqjci-=RdOfT9MzQKY=Se0LPR5Rr-tNr-ME@mail.gmail.com> References: <AANLkTiktf5Ls1RRLgUcu2MpK8ymKaDBf=qp%2BiGAp2fx2@mail.gmail.com> <201011051721.05898.jhb@freebsd.org> <AANLkTikfavqjci-=RdOfT9MzQKY=Se0LPR5Rr-tNr-ME@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, Nov 6, 2010 at 9:09 AM, Thomas Zander <thomas.e.zander@googlemail.com> wrote: > This means for now I have to trust the BIOS that ECC is enabled and I > should see MCA reports in the dmesg output once a bit error is > detected? Well, you don't have to take BIOS' word for that and test whether ECC really works. All you need is intentionally make one data bit bad.Put some tape on one of the data pads on the DIMM and run memtest. That would conclusively prove whether the motherboard has ECC enabled. See here for more details: http://bluesmoke.sourceforge.net/testing.html --Artem
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?AANLkTikWS_EFzJ8x%2B2wR38ieN7Y5o5St-6uSnhL1ygaK>