D3D error in PVRX2.exe-native.log

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Hi folks, I have an older 1 Ghz PIII machine with the Intel 815 chipset which I would like to use as a client to my main PVR box. I only want to be able to watch standard def TV from my bedroom, so am hoping this box is grunty enough to do the job. The PC is a Compaq iPAQ PC, which does not have any slots for a new video card.

The problem I have is that GBPVR will launch, but the menu screen never comes up. Instead I get a "frozen" version of the desktop.

In the PVRX2.exe-native.log I get the following error:
2009-04-17 23:39:38.640 VERBOSE SetRenderList creating new texture (720 x 480)
2009-04-17 23:39:38.640 ERROR m_pD3DDev->CreateTexture(uiElement->image->Width, uiElement->image->Height, 1, 0, D3DFMT_A8R8G8B8, D3DPOOL_MANAGED, &texture, NULL) failed
Error code : 8876086C
D3DERR_INVALIDCALL
Invalid call

Now, according to Intel's documentation, the 810 and 815 chipsets don't support overlay at 720 x 480. They do support overlay at 640 x 480, 800 x 600, 1024 x 768 and higher resolutions, just not at 720 x 480. I suspect that the GBPVR menu is trying to draw at 720 x 480 which is not supported by the 815 chipset for overlay.

Anyone had experience with this problem?

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Now, according to Intel's documentation, the 810 and 815 chipsets don't support overlay at 720 x 480.

This isnt to do with any overlay limitations. Its basically saying your video card is unable to create Direct3D textures big enough to hold the menus GB-PVR whats to display. Sorry, this video card wont be good enough to run GB-PVR.

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Would this be a video card memory limitation?

Maybe. Might be a driver limitation. Or some limitation on the internal chipset design that does not allow for large textures.