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