TH2go (TripleHead2Go) - Jerky display

[autocadplease]

I recently purchased the Matrox TripleHead2Go running 3 x 22" widescreen lcds 3840x1024x32 in FSX Acceleration. The problem I have is that even though the frame rates are reasonable the display is jerky at times. Has anyone else experienced this? I have changed the display settings around and nothing seems to prevent this. I am using the latest video card drivers and Matrox drivers. Any suggestions welcome. Thank you in advance.

Computer:
Windows Vista 32
E6850 Duo Core
Geforce 8800 GTS 640mb
4GB Ram

[Holclo]

I am using TH2GO with PMDG737/FS9 and also experience jerkiness ,especially noticeable when taxiing. Framerates are resonable (not wonderful) but at times look like about 6 due to this jerking. So intersted in further replies.
Bill

[brianwilliamson]

Here some bits of information that we all should use :
http://forums.avsim.net/dcboard.php?...d=436619&page=
This chap knows what he is talking about and if you follow all of his threads I think most problems we have, will be answered. Here are a couple more threads That Nick N has written:
http://forums.avsim.net/dcboard.php?...d=37203&page=3
http://forums.avsim.net/dcboard.php?...=437662&page=7
Hope this helps......................Brian W.

[Trevor Hale]

autocad,

I would also suggest you do a search for fsautostart. Someone recently posted a link for an updated version. run this before you run flightsim and that too will solve a lot of your jerky behavior.

Trev

[autocadplease]

Thank you all for your suggestions.
I use Alacritypc to start FSX and have done 75% of the tweaks mentioned. I was getting 45-50+ fps with sliders on high settings using one 22" monitor @ 1680x1050.
So, it seems to me that the TH2go is the bottle neck or there is some setting I have missed? The jerkiness occurs with TH2go whether my sliders are set high or low. It is like I could have a very high end machine and would still get the jerkiness. I will play around some more and post any findings.
Any TH2go users please post your approximate fps and if you get the jerky display. Thanks.

[Matt Olieman]

Autocad, have you contacted Matrox regarding this issue. I'm curious what reason they have for this issue.

Here is the link to their support: http://www.matrox.com/graphics/en/co...pport/home.php

Also, I want to confirm; you are using TripleHead2Go "digital," correct?

[autocadplease]

I have the digital version.
I think I have found the solution to my problem. I increased the [BUFFERPOOLS] value to 12000000 and I am not getting the jerky display. My previous value was 500000. Makes sense one monitor = 500000 x 3 monitor = 15000000 (but I heard not to go above 12000000). Anyways I'm smiling again

[Kennair]

That's great news autocad. As you've found, good frame rates don't necessarily also mean smooth video.

How have you found the 3 x 22" LCD's? I'm asking because this is the setup I had planned, however I'm still tossing up whether to use projectors or a combination of both. Any chance of pic or two?

Ken.

[autocadplease]

Kennair,

I will post some photos shortly.

In searching the net, due to my problem, I was reading about an updated th2go that is suppose to be announced mid 2008. From what I read, it will support 3x1680x1050 which the current th2go does not (only 3x1280x1024). Most wide screen lcd's native resolution are 1680x1050 so running them in 1280x1024 (which is a non wide screen resolution to begin with) does create some distortion.

[autocadplease]

Here is a quick photo and video (my camera takes terrible pictures and videos). The display is very good. Also, I was holding the camera when I was flying - so don't laugh! FPS was 40-50 during this clip.