I've lost the attribution of this, but it works for me o my Fujitsu T2010 with the965(up to a point). I still crash from time to time, frequently after a teleport. This is with the 15.7 driver.
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While I probably would not recommend the X61 as a great Second Life platform, I have succeeded in making it work. The X61 uses the Intel GM965 chipset with the X3100 Graphics Media Accelerator. I am running 32-bit Vista and the latest Intel beta drivers (15.6b). The fix will require you to track down the settings.xml file and modify it. Although it is unlikely that you will do anything harmful to your computer or Vista, all of the usual do-so-at-your-own-risk warnings apply.
Out of the box, Second Life will allow you to log in but will crash immediately before displaying the world. The first problem is that the OpenGL driver claims to support object occlusion but it doesn't (at least, not properly). The trick is to turn off Object Occlusion.
Now we come to the second problem. Object Occlusion is an option in the Debug menus which you can't get to until you are in-world. Fortunately, this option is stored in the settings.xml file. Once Second Life has started it creates a settings.xml file in the UsersAppData directory tree. In my case this is UsersmynameAppDataRoamingSecondLifeuser_sett ingssettings.xml. You will have to manually add the command to disable Object Occlusion to this file. The lines to add are:
Open settings.xml with notepad and paste the two lines into the section (somewhere after the second line but before the final line). Save the file and have fun running Second Life! By the way, there may be multiple directories under AppData. I have three: Local, LocalLow, and Roaming. My SecondLife directory is under Roaming since I am running on a wireless link. You may have to search a bit to find the directory which has the SecondLife subdirectory.
