On Mon, 12 Oct 2015, Claude Zervas wrote: > Date: Mon, 12 Oct 2015 08:57:40 -0700 > From: Claude Zervas <cla...@utlco.com> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Subject: Re: [Emc-users] Rookie question - what to get to run LinCNC > easily/inexpensively > > Um, no, that HP 7800 SFF has *terrible* latency - it will spike up to > 133,000 after 20 minutes or so. > Based on Kirk's recommendation I bought the same one on ebay and installed > LinuxCNC 2.7 but the latency was really bad. I tried turning off every > power saving features in the bios and all the tricks listed in the LinuxCNC > wiki without success. > If someone has information about what can be done to fix the latency > problems on these machines I would really appreciate it! So far this > machine is basically an ugly door stop. > > thanks, > - Claude
I guess it depends heres my dc7800 running wheezy/ RTAI http://freeby.mesanet.com/7800sff.png Its also a decent Preempt-RT machine: http://freeby.mesanet.com/e8500-preemt-rt-dc7800-1day.png (same PC with CPU upgraded to E8500) > > On Mon, Oct 12, 2015 at 8:27 AM, Mark Johnsen <m...@ijohnsen.com> wrote: > >> For PC's, Kirk Wallace had recommended this PC off ebay back in February >> 2015: >> "These have good latency, >> http://www.ebay.com/itm/281497643572 " >> >> Here's one that looks similar that's available now: >> http://www.ebay.com/itm/121783065243 >> >> $50 including shipping & Hard drive seems like a good price. >> >> Mark >> >> >> >>> Date: Mon, 12 Oct 2015 06:26:50 -0500 >>> From: John Thornton <j...@gnipsel.com> >>> Subject: Re: [Emc-users] Rookie question - what to get to run LinCNC >>> easily/inexpensively >>> To: "Enhanced Machine Controller (EMC)" >>> <emc-users@lists.sourceforge.net> >>> Message-ID: <561b98fa.4090...@gnipsel.com> >>> Content-Type: text/plain; charset=windows-1252; format=flowed >>> >>> When you use the word beginner I'd say forget all the experimental stuff >>> and just get a desktop PC. I just purchased this setup and the latency >>> is really great, usually < 9000 with an occasional 13300. >>> >>> www.newegg.com/Product/Product.aspx?Item...28860&Tpk=13-128-860 >>> < >>> >> http://www.newegg.com/Product/Product.aspx?Item=N82E16813128860&Tpk=13-128-860 >>>> >>> www.newegg.com/Product/Product.aspx?Item...17545&Tpk=19-117-545 >>> < >>> >> http://www.newegg.com/Product/Product.aspx?Item=N82E16819117545&Tpk=19-117-545 >>>> >>> www.newegg.com/Product/Product.aspx?Item...31718&Tpk=20-231-718 >>> < >>> >> http://www.newegg.com/Product/Product.aspx?Item=N82E16820231718&Tpk=20-231-718 >>>> >>> www.newegg.com/Product/Product.aspx?Item...36339&Tpk=22-236-339 >>> < >>> >> http://www.newegg.com/Product/Product.aspx?Item=N82E16822236339&Tpk=22-236-339 >>>> >>> >>> JT >>> >>> On 10/11/2015 6:56 PM, Jack Coats wrote: >>>> What is a good and usable configuration for a machine to drive my >>> beginner >>>> 3-axis CNC router? >>>> >>>> Is Raspberry Pi or BeagleBone Black an easy solution, or would getting >> an >>>> old desktop still a more bullet proof (and easy to implement) solution? >>>> >>>> Thanks for your time! >>>> >>> >> ------------------------------------------------------------------------------ >>>> _______________________________________________ >>>> Emc-users mailing list >>>> Emc-users@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >>> >>> >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > ------------------------------------------------------------------------------ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
