In one embodiment, {HEAD ~ a self refresh rate} of a DRAM is adjusted based on the SPID of {TAIL ~ that device} 
In one embodiment , { HEAD ~ a self refresh rate } of a DRAM is adjusted based on the SPID of { TAIL ~ that device }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL