On 03/08/2012 03:27 PM, Kirk Wallace wrote: > On Thu, 2012-03-08 at 13:40 -0500, Stephen Dubovsky wrote: > >> Is there an equivalent to the D525MW w/ DVI output available? Larger form >> factor is fine too. I already have some DVI only LCDs that I'd like to use. >> >> I thought onboard video was always a no-no w/ the shared memory. How does >> the 525 get away w/ it? >> >> I recently picked up a pair of optiplex 320s cheap to get another two >> machines running and Im having trouble w/ an ATI Raedon 600 PCIE video >> card. Latency numbers are good UNTIL I look at a jpg (or surf the web w/ >> pics). I can beat on the machine w/ multiple glx gears, install software, >> beat on the hard drive, get 100% processor utilization, etc no problem. I >> click on a .jpg and zoom in/out = *boom* 200-300ms of latency. I've got >> another ATI video card to try tonight (and will retest w/ the onboard video >> card (also ATI) too just to verify its not just the new card w/ the >> problem) . I haven't had great luck getting cheap low latency machines so >> Im realizing that the time Im spending getting them running would be better >> utilized by just buying a known good machine. Im willing to admit defeat >> at some point;) >> > I have recently had good luck with on-board video and nVidia hardware, > but _not_ with the nVidia proprietary driver. Generally for LinuxCNC the > open source or vesa driver works much better. > > I just got a couple of these: > http://www.ebay.com/itm/360434878243 > > and added memory for 512MB total. I also needed to edit xorg.conf to add > monitor refresh rate and resolution. They have decent latency at 38000 > nS (38 uS). > > and DVI. > > This was the first time I used a USB thumb drive to install Ubuntu. My > CD was giving me fits, so i tried the thumb drive and it was flawless. > I've had good luck with the ATI drivers, much more so than with NVidia. Their driver blob just sucks. On my machine here at work (caveat, I'm running Ubuntu 11.10, so YMMV), I'm running an ATI FirePro 2260, Xinerama with each screen at 1680 x 1200 resolution. Couldn't get the NVidia drivers to do that without crashing. Course, this is my work machine, not a LinuxCNC machine, so I don't know what the latency numbers are like.
Mark ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
