This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Hi Jacob- Sorry for the dealy in responding. > Hey! In regards to the memory on the video card, will 512MB of video memory > be good combined with 2G of system memory? This video card I will be using > also has 128-bit memory interface; would there be a significant difference > with 128-bit memory interface versus 256-bit memory interface? I'm not really sure, but generally more is better. ;-) > In regards to the graphics driver; I will very soon be running the IDV under > the Fedora Core 9 Operating System. I will be utilizing the PNY Nvidia > GeForce 7600 GS 512MB Graphics Card under Fedora Core for the IDV. Is there > a specific graphics driver I can download for operating the Nvidia card under > Linux or can I just use the general Nvidia driver given from the Nvidia > website? I am somewhat confused when it comes to what graphics driver will > be good for running this video card for the IDV under Fedora Core 9 Linux. It's confusing to me as well. NVidia usually has Linux drivers. I would use what's on their site. Don > ---- Unidata IDV Support <address@hidden> wrote: > > Hi Jacob- > > > > > Thanks for your support. In regards to a video card, would there be any > > > difference in IDV performance with a high-end video card versus an > > > average video card? Would an AGP video card work as well as a > > > PCI-Express video card? > > > > The more memory on the card, generally, the better performance. However, > > it really depends on the graphics driver. I'm not sure you'd see > > much of a difference in the IDV between the two architectures. > > > > Don > > > ---- Unidata IDV Support <address@hidden> wrote: > > > > Hi Jacob- > > > > > > > > > I have a question regarding the potential IDV performance in total > > > > > 64-Bit mode. I currently have a 64-Bit processor on my computers > > > > > motherboard. I also currently have 2 gigabytes of RAM (Hyper-X > > > > > version of the Kingston memory set) for my computer and I am > > > > > currently in the process of upgrading my video card to a PNY GeForce > > > > > 7600GS 512MB 128-bit GDDR2 AGP. If I install the latest Fedora Core > > > > > 64-Bit operating system and download your new 64-Bit version of the > > > > > IDV, how well will the IDV perform given this total 64-Bit > > > > > environment, the given video card, and 2 gigabytes of RAM? > > > > > > > > I don't know that you will see a performance difference over the 32-bit > > > > version. However, > > > > if you had more than 2Gb of memory, you could then allocate more. If > > > > you were running > > > > into problems with memory allocation in 32 bit mode, you might be able > > > > to allocate more > > > > in 64bit mode. > > > > > > > > Don > > > > > > > > Ticket Details > > > > =================== > > > > Ticket ID: NSK-688890 > > > > Department: Support IDV > > > > Priority: Normal > > > > Status: Open > > > > > > > > > > > > > > > > Ticket Details > > =================== > > Ticket ID: NSK-688890 > > Department: Support IDV > > Priority: Normal > > Status: Open > > > > Ticket Details =================== Ticket ID: NSK-688890 Department: Support IDV Priority: High Status: Closed