1. DO YOU CURRENTLY HAVE 5040 WORKING? Yes
2. OS model & version - Windows 7 - 64 Bit
3. Matrox driver version - 2.06.00.026 (November 4th, 2009)
4. Firmware version - The December 7th firmware
5. Graphics driver make & version - 182.50 NVIDIA (The Vista 64 Bit one)
6. Monitor make & version - Left and Right are Acer AL2216Ws and the middle one is a Samsung SyncMaster 225BW
7. CPU make/model - Quad Core 9300
8. Motherboard chipset - EGVA 750i SLI FTW
9. Graphx card make/model - NVIDIA 8800GT
10. Did you have to put in a custom res via NVidia CPL? (YES / NO) NO and YES (explained below)
11. If you have 5040 working, what's your refresh freq? 59Hz
Of all the NVIDIA drivers, only 182.50 worked (The Vista 64bit one), but Aero is not enabled. The GXM setup utility still could not setup the 5040x1080 mode, but through the NVIDIA control panel, under the custom resolutions, it recognized the monitors as being able to handle 5040x1080 at 59Hz and 57Hz. It also had the 57Hz mode, but the Acer monitors on the left and right could not display that refresh rate.
To get the higher "custom" mode to work, I first had to switch to the "4080x768" mode, then, under the NVIDIA control panel -> "Manage Custom Resolutions", then "Edit" the 5040x1080x59Hz mode which was auto detected. I would then "test" the mode which would switch the display but say "fail", but it still drove the monitors at the right resolution. I then didn`t allow the test screen to exit (resetting the resolution back), but immediately shutdown and it has come up in the 5040 mode ever since. I know the 5040x1080 mode worked on the hardware because it worked on XP from which I upgraded.
The newest firmware and GXM driver are better because my left Acer monitor, when coming out of sleep no longer has a slight flicker.
Here are the settings it used for the 59Hz mode:
I might try using the latest NVIDIA driver and then if I can drive it with those specs.