On 10/1/2010, Youda He wrote: >> > EMC2 is not very demanding of CPU, what it does demand is low latency. >> > It doesn't matter how fast the code runs, just that it runs exactly >> > when scheduled. >> > >> > The higher-end motherboards seem more likely to feature advanced >> > features that have unfortunate consequences for realtime performance. >> > (though this is supposition on my part) >> > >> > People are reporting very good results with the Atom boards, for >> > example the D510MO. I rather think that anything more than that for a >> > dedicated EMC2 machine is wasting money (unless you need more than one >> > PCI slot, although the specs do say that you can fit a 2-card riser in >> > the single slot) >> > > If money were not a factor, is D510MO still the best motherboard?
Well, "best" is kind of hard to define. As the original poster said, "People are reporting very good results with the Atom boards...." If it meets the timing requirements and has adequate I/O, then "very good" is already "good enough." There certainly are alternatives. I look at what's on the shelf at my local Microcenter store and can imagine matching either a low-end Intel cpu or a low-end AMD cpu to appropriate motherboards from a variety of vendors, say ASUS or GIGABIT, for US$100 to US$150 (not counting memory, so these numbers compare directly to the D510MO at about US$80). Or you could read Jon Elson's past emails and go dumpster-diving* for older PCs like the Dells he's had such good luck with. They might cost you nothing. For me, the D510MO or equivalent integrated cpu/motherboards from Jetway or others, is the better deal because of its small size and low power consumption, but I want it strictly for a dedicated EMC2 controller. If I had other requirements as well, then perhaps one of these built-up systems would be better, assuming they meet the timing requirements and have adequate I/O. Just my two cents worth. Regards, Kent * Is this just an American colloquialism? I suppose in other parts of the English-speaking world one would say "dustbin diving"? ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
