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Not possible, but 4 gig and a good video card will make you happy, ATI or Nvidia, I have a nVIDIA GE FORCE 8800 GT and it's very nice and fast, for like $200 bucks but if you can afford a quadro fx for like $500 or so go for it.
Although doing the 3 gig switch dosnt always work. We have had 4 of 5 computers not like the bios change. Just FYI.
And the performance increase is minimial, if not at all.
We have found that upgrading to XP 64 does help a little. 64-bit manages memory better and can address more than 3Gb. You should check out the white paper Autodesk released on Revit performance recommendations, it has a hardware section in it .. . but don't expect too much.
Great, I will check that out. We have tried the 3gb switch and it worked for about two days then windows didnt know what to do. I have considered upgrading (or downgrading, however you look at it) to Vista 64bit, reseach says its a little more stable than XP 64 bit. If I had the money to buy a whole new computer, I would just buy another MAC and get VMware. Thanks for the info.
Actually I am running it on Vista 64 (we use XP 64 for production). XP is a little faster than Vista, although if you turn off all the Aero glass and unnecessary services Vista is pretty snappy - especially if you have 4+ Gb of RAM 🙂
how much will upgrading to a really good video card speed things up? we have machines that have 8gb of ram, and we're dealing with files that are getting as big as 60 mb. and it is very slow and painfull. any suggestions.
In my experience the video card has little if any effect. This is further supported by the white paper Autodesk put out on performance "Relatively inexpensive video cards may perform as well or better than more expensive cards". They recommend OpenGL 1.3 or later . . . but I haven't had much success with the OpenGL settings.
Honestly I don't know how much video power Revit uses vs. the processor power. It can depend a lot on processor power. I have two 512mg cards on SLI on PCIe and it works great, it is a homebuilt machine. The cost of those was only about 200 bucks a piece. Which can be paid off quickly in productivity.
