Using Precise our jitter is ~40uS with preemptRT and ~8uS with RTAI on all AMD hardware with integrated graphics.
With some tweaking we have some MB's running RTAI ~5uS jitter. Coreboot has support for some of these boards as well if you want <2 sec from power-on to login. If using BIOS/EFI be sure to turn off: C1E support Virtualization Cool'n'Quiet Mini-ITX Asrock E350M1 $60-70 http://www.asrock.com/mb/amd/e350m1 GA-F2A85X-UP4 $100- 120 http://www.gigabyte.us/products/product-page.aspx?pid=4343#ov Features 6 PCIe slots for lots of FPGA IO GA-MA785GM-US2H http://www.gigabyte.us/products/product-page.aspx?pid=3447#ov F2A85-V PRO $120 http://www.asus.com/Motherboards/F2A85V_PRO/ Features 5 PCIe and 2 PCI slots for lots of FPGA IO On 02/12/2014 12:38 AM, Dave Cole wrote: > I just installed Precise on a Gigabyte E350N WIN8 board.. $69 from > Amazon. > I followed the instructions that Seb posted, with the additions I > documented below. > As before, the grub menu has the RTAI kernel on the second page. Grub > customizer made quick work of that problem. > Latency jitter is about 12-14 microseconds max even running Youtube > video with 3 instances of GLXGEARS running. > I left the video setup as it was installed and it works fine on a full > HD 1080 screen. > I had to change the BIOS setting for the LPT port to EPP. > But a Mesa 7i43 card was quickly recognized.. > Looks like a winner. > Now if I can get my head wrapped around Ubuntu 12.04 and all of the > changes ... and "improvements". :-/ > > Dave > > > ------------------------------------------------------------------------------ Android apps run on BlackBerry 10 Introducing the new BlackBerry 10.2.1 Runtime for Android apps. Now with support for Jelly Bean, Bluetooth, Mapview and more. Get your Android app in front of a whole new audience. Start now. http://pubads.g.doubleclick.net/gampad/clk?id=124407151&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
