LuxXeon posted at 1:14 AM Sun, 5 December 2021 - #4431277

Optix requires a GPU with compute capability 5.0 and higher, and a driver version of at least 470, according to the Blender specs.  Optix is currently ONLY supported by the RTX cards in Blender.  There is speculation it may become available for other Turing-based cards like the GTX 1660 Ti, but currently, Optix requires the RT cores found in the RTX cards to use Optix.  The GTX 1660, although it may have the Turing architecture, does not have the RT cores.

Thanks for the Optix info Lux.  I was aware I'll have to up date my driver to 470.  I think right now it's 466.13, or something like that. Since this is a laptop, I'm not going to be looking for an RTX card.  I purposely got the GTX 1660 Ti because Poser 11 didn't handle the RTX Turing series.  I didn't, however, know the GTX 1660 Ti was also running on Turing, so I had to wait until the Poser dev team got it working with both the very new (2 years ago) Turing system cards.

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OK . . . Where's my chocolate?

Butterfly Dezignz