If my google-fu is any good today, DDR3 maxes out at 2133. DDR4 seems to go up to 3200[1]. The motherboard claims to support all speeds.
This RAM is supposed to be DDR4-2400, but if it keeps things happy, I'll run it at 2133. [1] https://www.kingston.com/us/memory/ddr4 On Wed, Jan 24, 2018 at 7:28 AM Mike Pumford <micha...@bsquare.com> wrote: > On 24/01/2018 12:11, Nimrod Levy wrote: > > The RAM was detected by the MB as 2400. I didn't change it until I set > > it to the slower speed. > > > I guess the Intel motherboards I have are more conservative then. They > default to the standard RAM profile (slower than what it is sold as) and > you have to explicitly enable the faster profiles (which do also come > from data read from RAM). So it seems like your BIOS vendor is picking > the faster profile as a default. > > I've got a couple of intel systems like this (one windows and one BSD) > and neither ran stable with the faster RAM profiles. > > From what I read at the time 2133 is the official upper limit of the > DDR4 standard. Any speed faster than that is an overclock profile. > > Mike > > -- > Mike Pumford | Senior Software Engineer > > T: +44 (0) 1225 710635 <+44%201225%20710635> > > BSQUARE - The business of IoT > > www.bsquare.com <http://www.bsquare.com/> > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org" > -- -- Nimrod _______________________________________________ freebsd-stable@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
