CurtPalme.com Home Theater Forum

[KrisRoberts]

Does anyone have pointers for the closest/most compatible monitor drivers I can use with Windows 7 and my G90?

I'm experimeting with the Nvidia 3D Vision shutterglasses kit with my projector.

The easiest way to get it to work was to dig out my old VGA RGB-HV cable and run it as an analog montior on my Windows 7 64bit PC. It shows up in the display properties with the Generic Non-PNP Monitor driver. In the NVIDIA Control Panel - Change resolution section it shows up as an Analog Display.

It shows many resolutions displayed with various refresh rates in the PC section. Using the Add Resolutions dialog I can add the 100Hz 120Hz and 140Hz refresh rates for resolutions like 1280x800. I can switch to any of them and they work fine for the desktop display.

In the NVIDIA Control Panel - Set up stereoscopic 3D section I find that when I open the Test Stereoscopic 3D dialog the current refresh rate I am using shows up for the current resolution - but for all the others it shows 60Hz,70Hz,72Hz,85Hz. If I have the desktop set at 1280x800@100 that resolution does show up with that refresh in the test application. I can then Launch the Test Application and it does run at that resolution and refresh rate.

However, when I run any game it always switches to 85Hz. It will stay at 1280x800 but switch to 85Hz from the desktop at 100Hz. I've been trying Portal and Left4Dead. Neither game has any refresh rate options other than wait for v-sync.

In the Test Stereoscopic 3D dialog there is a check box for 'Apply this refresh rate to all games', but that seems to have no effect. And the check doesn't stay if I click it, Apply andthen Close the dialog and re-open it - the check is always cleared.

In the Test Application, 1280x800@100Hz looks great and seems to sync fine between the glasses and the projector. But in games the 85Hz has flicker.

The knee jerk response I got from NVidia support was that I need the proper driver for my CRT Monitor. Even though the generic one seems to have all the resolutions and work fine at various settings for the desktop they tried to spin some mumbo jumbo about needing the "right" driver anyway for the 3D settings to work properly.

Does anyone have insight into a driver I can use with the G90 as a VGA monitor in Windows 7 to try and get the 3D Vision stuff to work more correctly?

The good news is that 100Hz in resolutions like 1280x720-1280x960 seem to be fine on the projector and it syncs well with the glasses in the test application - If I can just get games to run that way I'm going to be really happy!

[cmjohnson]

You need to explain to them that a driver is not the appropriate answer as you are outputting RGBHV (via the VGA cable) into a purely analog CRT projector which does not have any digital EDID interface. As there is no EDID interface, there can be no driver information transferred.

You understand this, they don't.

What they need to do is provide a patch or add-on which simply allows full arbitrary control of all video parameters in 3D mode.


CJ

[CIR Engineering]

[Nashou66]

I wonder if your video card can output to two devises simultaneously, then you hook up the digital out to a display that can output that high a refresh rate, then set the out put to both displays and it might save the correct res when the game starts?

Athanasios

[mhalsan]

You might try this INF: it works great with my 9500LC. I found this on the nvidia forums. He has 32 and 64 bit versions.

http://www.videoi.com/~pietro/monitor/

Good luck with the 3D Vision kit, I bought one a week ago for my 9500LC, severe ghosting on the bottom half of the screen. Nvidia's tech support is totally lost.

Thanks, Mark

[KrisRoberts]

Thanks for the replies!

The .inf file for that monitor driver does not install with windows 7 64, but through command line arguments I have been able to force games to run at 1280x720 at 85, 100, 120 and 140 Hz.

I think the problems I have been having are more around general windows 7 issues than the 3D Vision stuff itself.

I'll report later in a seperate thread about how the results turn out after more tweaking now that I can run games at the resolution and refresh rates I want.

[CIR Engineering]

[mhalsan]

Windows 7 requires closer adherence to whatever the monitor's EDID requires. With the driver noted above, and a VGA to 5-BNC cable, I have been able to get whatever resolution and refresh rate needed. I'm currently running 2340x1080, with 60, 72, 85 and 100Hz refresh options. This wasn't possible with the INF file Windows selects for a "non-pnp VGA monitor."

Unfortunately, if you need the HDMI/HDCP compatibility, this won't work.

I never was able to get the 3D Vision shutterglasses to work with my 9500LC, although they worked fine with a desktop CRT monitor. There was a problem with synchronization between the glasses and the screen that caused severe double vision/ghosting on the bottom third of the screen. Nvidia tech support was unable to help, and I wound up selling the kit to someone else. I hope you find a way to make this work with the Sony- otherwise, I think the only way CRT owners will get 3D is with a dual projector/polarized setup.

Thanks, Mark

[Mark_A_W]

Need to build a custom glasses sync box with a phase control.

[jarseneau]

[mhalsan]

I tried it at 72, 85, 100, and 120Hz. Absolutely no change at all. Also tried different resolutions- 1920x1080, 1280x1024, no change there either.

Make sure you're using the 64 bit driver- he has drivers for both 32 and 64 bit Windows 7, they are not interchangeable. I use the 64 bit version, it installed right away.

Thanks, Mark