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Could those who are using a Matrox card with win 2000 please respond to me. It only has 32 mg & I thought I wanted a 64 mg card. I like to have my 21" monitor at 1600x1200 at a high refresh rate. I want to use an extra monitor 17" for PS palletts etc. On my win 98 system I had a 32 mg card for my main monitor & a cheap generic card for my extra monitor & it worked fine. I am now using win2000 & it seems to be a problem. I got the ati 8500 card to work for a single desktop across the two monitor with adequate refresh rate on my main monitor. However when I went to color management it showed my 17" monitor instead of my nokia 21". I have a week or so to return the ati card & order a matrox. I just want to be sure I will be happy with the 32mg matrox. I have some 3d programs I don't use much but though the ati card would be nice but so far doesn't seem to be ok for color management system. -------------------------------------------------- You can calculate required video memory for 2D this way: 1600 x 1200 x 32 / 8 = 7,680,000 = 7.68 megs. The first 2 numbers are your pixels, the 32 is the bits/pixel (you could use 24 just as well, but lets make this a worst case since drivers sometimes skip over the 24 option) and the 8 is to convert bits to bytes. 16 megs would appear to be enough to runs 2 screens at that resolution and color depth simultaneously. 32 megs gives you plenty of cushion. 64 would be overkill for 2D work. The refresh rate has to do with the speed of the RAMDAC or the bandwidth, I think, rather than memory capacity. As to doing the extended desktop thing, I believe that Win2K video drivers don't have the capabilities of supporting a dual head card, which is what you're trying to do. I think you'd need to go the 2 card route like you did in Win98, or move up to WinXP, but someone please jump in here if I'm wrong. I think that your old Win98SE would have supported some dual head cards, in fact. Even if you were to run WinXP, I don't think you could run 2 different color profiles off the same card, but you can select the "primary" monitor and tune your profile for that one. Again, someone please correct me if I'm wrong here. I have an nVidia card in my laptop which I use to run the laptop screen and an attached CRT. My color profile is set for the CRT, but the video card driver also has a set of internal color adjustments available for each connected monitor that let me adjust the brightness, contrast, saturation, gamma and temperature for the laptop screen to get it to match pretty darn close to the fully corrected CRT. Joel Rittvo - Turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for list instructions.