Reduce SAS link speed to 6G ?

[_alex]

Hi,
just for testing i'd like to reduce the SAS link speed of a single drive temporary from 12G to 6G, research didn't bring up much.
Anyone has a command at hand ?

Thanks,
Alex

 

[_alex]

really nobody ?
just want to know what my husmm1680 could do in a sas2 box without swapping hba or backplane ...