I had 5 19" monitors on my workstation at my last job. (Yes, I have something of a monitor addiction.) I had 1 AGP card, and 2 PCI cards, all dual-head Radeon 7000's. Very easy to set up. If you have problems getting it done feel free to contact me off list and I will help you write the xorg.conf. On 5/4/06, Gavin Carr <gavin at openfusion.com.au> wrote: > On Thu, May 04, 2006 at 07:14:47PM -0400, Peter Arremann wrote: > > On Thursday 04 May 2006 19:01, Gavin Carr wrote: > > > On Thu, May 04, 2006 at 05:01:39PM -0400, Peter Arremann wrote: > > > > Get an SLI maonboard board and two nvidia graphics cards. That's 4 > > > > monitors right there. Then grab yourself a PCI board for the other two > > > > outputs... That's what I did here - works great with the closed source > > > > nvidia drivers. We tried with the open source Nvidia drivers and ATI > > > > cards - all fell short in one way or another. > > > > > > We've got 2 workstations with 4 1600x1200 monitors running off 2 (non-SLI) > > > Nvidia cards (5200s and 6600s, I think) using the closed nvidia drivers, > > > and it works beautifully. The plans are to increase that to 6 or 8 monitors > > > as finances allow. We're using nvidia TwinView across the pairs of monitors > > > on the same card, and then xinerama to stitch them all together. > > > > Sorry - I didn't word this well. I'm not running an SLI setup - just bought an > > sli capable system board to get the dual 16x slots. > > Ah okay, same here then. > > > > If you want to go 6, I'd recommend you look at using a mainboard with > > > multiple PCIe slots - I've seen them around with up to 5 now, which would > > > in theory allow you up to 10 monitors just using dual-output video cards. > > > I imagine that bus throughput must become an issue at some point, but we're > > > using Opteron mainboards (Tyan S2895s) and haven't seen any issues so far. > > > > Most graphics cards require a physical 16x slot. They can function with 4 or > > sometimes even just 1 lane, but the power requirements and the size of the > > card are limits. Some boards have a 4x slot that is open ended, but these > > boards always have severe limitations on the types of cards since the slot > > isn't designed to support high power draw. > > Right. But MB manufacturers are now starting to produce Quad PCIe 16x slot > boards e.g. Gigabyte GA-8N-SLI Quad Royal > > http://tinyurl.com/g8lwt > > They only do two-way SLI (mostly due to nvidia driver issues I gather), but > for non-SLI stuff they should just work. > > Cheers, > Gavin > > -- > Open Fusion - Open Source Business Solutions [ Linux - Perl - Apache ] > http://www.openfusion.com.au > http://www.sharebot.net > - Fashion is a variable, but style is a constant - Programming Perl > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >