On Wed, 12 Feb 2014, Charles Buckley wrote: > Date: Wed, 12 Feb 2014 12:53:04 -0700 > From: Charles Buckley <rijrun...@gmail.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] LinuxCNC on Ubuntu Precise 12.04 with RTAI > > Hello, > > I am hitting that bug with my D525. Connecting to a G540. > > What are the specifics of the bug? Why is it not accepting EPP?
As far as I can tell the BIOS parallel port setup doesn't actually do anything at all (it may be for a different parallel port chip ad AFAIK Intel has never fixed this) The fix is to run a utility thet sets the port into EPP mode. I think Jon Elson has such a utility > > > On Wed, Feb 12, 2014 at 7:34 AM, Peter C. Wallace <p...@mesanet.com> wrote: > >> On Wed, 12 Feb 2014, Dave Cole wrote: >> >>> Date: Wed, 12 Feb 2014 08:42:41 -0500 >>> From: Dave Cole <linuxcncro...@gmail.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] LinuxCNC on Ubuntu Precise 12.04 with RTAI >>> >>> I have used several INTEL D525MW boards and they work fine. I have >>> never had a problem with getting them to go into EPP mode. >> >> The D525s do have a BIOS bug (the BIOS PP settings are ignored) >> LinuxCNC's drivers that use EPP mode work around this by setting the mode >> explicity, but if you are using the port as a plain old parallel port and >> you >> need EPP mode (say for a G540) you may have problems and >> have to set the mode with a PP utility >> >> >>> >>> However, I have never used a D525 board brand other than Intel. >>> >>> That PC is fairly cheap but it has no details on who made the >>> motherboard. Also that power supply looks 100% non standard. >>> There is a lot of PC junk out there for sale. Beware. >>> >>> Dave >>> >>> >>> On 2/12/2014 5:00 AM, bruno wrote: >>>> My experiments with an old VIA C3 board having miserably failed due to >>>> deficient support of APIC on that CPU, I have been looking at a new >>>> motherboard. >>>> In infer from Google and the forums that the atom D525 is a really good >>>> candidate. I find them readily available here for example: >>>> >>>> >> http://www.aliexpress.com/item/mini-pcs-ITX-Computer-with-Intel-D525-Dual-Core-1-8GHz-2G-RAM-8G-SSD-mini/1316991987.html >>>> with 2GBRAM and 8GB SSD, it is a really good price for a dedicated >>>> linuxcnc controller I think. >>>> >>>> Anybody on the list using a D525 based board ? any opinions on those >>>> boards are welcome, thanks. >>>> >>>> Bruno >>>> >>>> On 2/12/14 10:04 AM, emc-users-requ...@lists.sourceforge.net wrote: >>>>> Date: Wed, 12 Feb 2014 01:38:53 -0500 From: Dave Cole >>>>> <linuxcncro...@gmail.com> Subject: Re: [Emc-users] LinuxCNC on Ubuntu >>>>> Precise 12.04 with RTAI To: emc-users@lists.sourceforge.net >>>>> Message-ID: <52fb16fd.7030...@gmail.com> Content-Type: text/plain; >>>>> charset=ISO-8859-1; format=flowed 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 On >>>>> 1/21/2014 6:07 PM, Dave Cole wrote: >>>>>>> I just installed the master-rt version on an Intel D525MW board based >>>>>>> system. >>>>>>> >>>>>>> I had the same problem as some of the other folks; the grub RTAI >>>>>>> kernel entry was on the second page under "old kernels" or something >>>>>>> similar. >>>>>>> >>>>>>> I have wrestled with Grub before and lost, so I loaded a software >>>>>>> package to tweak grub. >>>>>>> >> http://www.unixmen.com/install-grub-customizer-4-0-4-ubuntu-linux-mint-pear-os-elementary-os/ >>>>>>> >>>>>>> >>>>>>> That let me reorder the entries in the configuration and also add >>>>>>> isolcpus=1 to the end of the kernel load line.. >>>>>>> Highly recommended to avoid heart burn with grub. >>>>>>> >>>>>>> I also had to remember to turn hyperthreading off in the bios.. >>>>>>> >>>>>>> I had this board plugged into a HD screen but the graphics would not >>>>>>> display in hi-res and after poking around for a bit I realized that >>>>>>> Ubuntu thought I had two screens and that the computer was a laptop. >>>>>>> (I found this was a common problem with Ubuntu 11.x and this board >>>>>>> also..) So I disabled the second mystery screen and turned off the >>>>>>> laptop switch. Still the screen driver was causing big time latency >>>>>>> problems. Close a window and the latency numbers went to ridiculous >>>>>>> levels. >>>>>>> >>>>>>> I found a bash shell script on an Intel website to load the drivers >>>>>>> that support graphics and Ubuntu 12.04 (which they now consider to be >>>>>>> obsolete for some reason..) I ran the script, rebooted and the that >>>>>>> allowed me to run the screen in full 1920x1080, which is really not >>>>>>> required, but that way I knew the driver was working ok. >>>>>>> >>>>>>> With Glxgears running in several different instances the latency >>>>>>> numbers are as good as they were with 10.04, perhaps even better. >>>>>>> What does seem to be a problem is running a browser via an ethernet >>>>>>> connection to the web. That jacks up the latency numbers somewhat. >>>>>>> But this machine will not be used to browse the web while running the >>>>>>> machine so not an issue for me. >>>>>>> >>>>>>> The D525MW board does have the RealTek 8111E Ethernet chipset that is >>>>>>> reported to cause problems. Perhaps the latency suffers due to the >>>>>>> erratic behavior of the 8111?? I don't know. I could not notice >>>>>>> any Ethernet issues when surfing the web. >>>>>>> >>>>>>> I didn't make any attempt to load the VESA video drivers as the Intel >>>>>>> one seems to be working fine. >>>>>>> >>>>>>> So it looks like this is a good solution for running LinuxCNC on >>>>>>> Ubuntu 12.04...:-) >>>>>>> >>>>>>> I also did an apt-get install hostmot2-firmware-all and that went >>>>>>> nicely. >>>>>>> >>>>>>> Nice work!:-) >>>>>>> >>>>>>> Next, I have a Gigabyte E350N board that I am going to try running >>>>>>> 12.04 on as the Intel D525MW boards are beginning to get scarce. >>>>>>> >>>> >>>> >> ------------------------------------------------------------------------------ >>>> 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 >>> >>> >> ------------------------------------------------------------------------------ >>> 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 >>> >> >> Peter Wallace >> Mesa Electronics >> >> (\__/) >> (='.'=) This is Bunny. Copy and paste bunny into your >> (")_(") signature to help him gain world domination. >> >> >> >> ------------------------------------------------------------------------------ >> 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 >> > ------------------------------------------------------------------------------ > 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 > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ 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
