Interface Configuration
7210 SAS M, T, X, R6, R12, Mxp Interface Configuration Guide Page 91
2. This step is required only if the platform supports use of physical MDAs, like the 7210
SAS-M. It is not required on platforms that do not support an MDA, like 7210 SAS-X,
7210 SAS-T, 7210 SAS-R6 and 7210 SAS-R12. 7210 SAS-Mxp does not have a
expansion slot (and hence does not support MDA.