1.0-9631 is the latest driver from the 1.0-96xx legacy branch which supports your GPU.
Thanks. I downloaded and tried installing that. Compiling : Did not face any problems. but, at the end it fails with the message
Shared memory test passed.
-> Running runtime sanity check:
ERROR: The runtime configuration check failed for the library
'/usr/lib/libnvidia-tls.so.1'). The most likely reason for this is that
conflicting OpenGL libraries are installed in a location not inspected
by `nvidia-installer`. Please be sure you have uninstalled any
third-party OpenGL and/or third-party graphics driver packages.
-> Runtime sanity check failed.
ERROR: Installation has failed. Please see the file
'/var/log/nvidia-installer.log' for details. You may find suggestions
on fixing installation problems in the README available on the Linux
driver download page at www.nvidia.com.
I could still start X. But, it was a complete mess. The window movements are sluggish; screen does not get refreshed. Text display, etc. completely gone or messed up :-(
So, it is back to 8776 for me which works. But, I would like to know whether this problem has been reported and/or solved.