Take a look at this page click here (nvidia search results for quadro4 gl), look through the results, the ones you are interested in are towards the bottom and are in .pdf format. I download the v last one, there is no mention of SM at all (that I could see), it does mention that it is fully compliant with directx 8.1.
Ialso did a search on google, click here, if you feal it's worth it, have a look at the links, but I think you are out of luck, sorry.
Another thought, why not go to one of the games sites and download a shareware (trial) game and see if it works. I think you'll have to try older games, try click here, they have a selection of shareware and freeware games to dload.
Hope this helps.
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