Richard, the latest RST version that your chipset supports will be version 11.7 Intel® Download Center.
There is a Command Line Interface tool named Intel® Rapid Storage Technology Command Line Interface (RST CLI), but version 11.7 does not have one available.
The closest version will be 12.0 Intel® Download Center, but this version was designed to provide functionality for the following Storage Controllers:
• Intel(R) 8 Series/C220 Series Chipset Family SATA AHCI/RAID Controller
• Intel(R) 7 Series/C210 Series Chipset Family SATA AHCI/RAID Controller
• Intel(R) 6 Series/C200 Series Chipset Family SATA AHCI/RAID Controller
• Intel(R) 5 Series/3400 Series SATA AHCI/RAID Controller
• Intel(R) X79 Express Chipset