Driver is ONLY 384.98 (Geforce 980M + Ubuntu 16.04), but CUDA 9.1 requires 387.26 ...

Hi, all:

Working environment:
OS: Ubuntu 16.04.3
Video Card: Geforce 980M

Having successfully installed the MOST RECENT supported driver: 384.98 .
However, CUDA 9.1.85 requires an even newer driver: 387.26 …

Just wonder if:

  1. Any possibility to upgrade my driver to a version that is newer than 387.26 for my working environment?
  2. Any lower version of CUDA for me to download that is compatible with a lower version driver, as low as:384.98?

Thank you

Best Regards