A.Linux will be restricted to the p650 system, as it is not supported on the p630.
B.The customer can run Linux on all the existing systems with or without the presence of AIX.
C.Linux can run in LPARs on the existing systems but Linux will require the presence of AIX in at least one LPAR.
D.Linux can be installed on all existing systems but will require the AIX Linux Affinity libraries to boot the systems and run Linux.