<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Wei,<div class=""><br class=""></div><div class=""> I'd suggest using Ubuntu 20.04, the latest Ubuntu, the current Chimera 1.14 or daily build will work fine on that. I am not certain that Quadro FX 4800 graphics drivers will be available for Ubuntu 20, probably they will be, but you might want to look for that online before proceeding. That graphics cards is very old, from 2008.</div><div class=""><br class=""></div><div class=""> The other thing to know is that Nvidia discontinued support for Nvidia 3D Vision stereo glasses in 2019</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="https://nvidia.custhelp.com/app/answers/detail/a_id/4845" class="">https://nvidia.custhelp.com/app/answers/detail/a_id/4845</a><br class=""><div class=""><br class=""></div><div class="">meaning those glasses and emitter will no longer work using just the current Nvidia graphics driver. But they claim that there is a separate driver for the USB emitter that allows it to work.</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="https://www.nvidia.com/en-us/drivers/nv3dvisionusb/390_41/nv3dvisionusb-driver/" class="">https://www.nvidia.com/en-us/drivers/nv3dvisionusb/390_41/nv3dvisionusb-driver/</a></div><div class=""><br class=""></div><div class="">I have not tried it. If you get it to work I'd be interested in hearing about it since we have an old Nvidia 3D Vision system.</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Oct 29, 2020, at 6:41 PM, Wei Zhang <zhangwei@umn.edu> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div dir="ltr" class="">Hi Tom,<div class=""><br class=""></div><div class="">Hope everything is well.</div><div class=""><br class=""></div><div class="">One university's computer lab recently retired some workstations that were used for 3D visualization before. I managed to get a couple workstations with the 3D glasses and emitters. But I need to reinstall the operating system on those machines.</div><div class=""><br class=""></div><div class="">The graphic card of the workstation is Nvidia Quadro FX4800.</div><div class="">The emitter is NVIDIA P854.</div><div class="">The glasses are NVIDIA-P854 and ViewSonic-PGD250.</div><div class=""><br class=""></div><div class=""><div style="" class="">I plan to install Ubuntu. I am wondering which version of Ubuntu is suitable for using UCSF Chimera. Do we need to install cuda to make it work? Do we need to install an older version of Chimera?</div></div><div style="" class=""><br class=""></div><div style="" class="">Sorry I just sent the message to you to follow the previous chain of conversation. Shall I email the chimera-user in the future with such questions?</div><div style="" class=""><br class=""></div><div style="" class="">Thank you,</div><div style="" class=""><br class=""></div><div style="" class="">Wei</div><div style="" class=""><br class=""></div></div></div></div></blockquote></div><br class=""></div></div></body></html>