Yes, we are running 4 20" displays on a few of our Dell 450 workstations using NVidia on RH 7.3 and Matrox cards on RH 9. You should only be looking at the PCI based cards, so you can access both video processors and have a single fluid desktop. We tested many multi-head cards late last year which were advertised as working under Linux and found out that they really don't after much testing under RH 9 (NVidia NVS 400, Matrox G450MMS, Matrox G550, ATI, Appian X, Appian Rushmore, Colorgraphic Xentera GT 4, etc). During our testing we ran into speed issues, window fragments being left on other screens, mouse problems, focus issues, application window positioning issues, split screen issues, screens looking like they where PGP'd, DVI support, 3D support, OpenGL support, etc. Each card behaved differently and we found out that not many people on the lists were using more than two monitors successfully. XIG also develops the Summit drivers for many of the multi-head video cards, however at the time we tested them (Nov 2003) they did not properly support many of the cards. However the guys at XIG really worked closely with us, in resolving these issues. We have not tried this under Fedora yet, though we plan to in the future. Bottom line the NVidia NVS 400 works under RH 7.3 (not RH 9 at the time) and the Matrox G550 works under RH 9 (2.4.2x kernels). I have not tried this on any of our 2.6 based kernels. -----Original Message----- From: fedora-list-bounces@xxxxxxxxxx [mailto:fedora-list-bounces@xxxxxxxxxx] On Behalf Of Holm, Jack Sent: Thursday, April 15, 2004 8:41 AM To: fedora-list@xxxxxxxxxx Subject: Has anyone set up more than 2 Displays? I have a request to set up 3 Displays, on one machine so far I have only done 2, using a Nvidia GeForce 4 card. Can I enable the onboard graphic card, or will need another graphics card. What other limits might I run in to,, or suggestions do you have ? Thanks. Jack ************************************ This email and any files transmitted with it are proprietary and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the sender. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of ITT Industries, Inc. The recipient should check this email and any attachments for the presence of viruses. ITT Industries accepts no liability for any damage caused by any virus transmitted by this email. ************************************