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