performing calibration on flex input output signals on a first cell processor of said plurality of cell processors and {HEAD ~ said first input output controller} of {TAIL ~ said plurality} of input output controllers, 
of
performing calibration on flex input output signals on a first cell processor of said plurality of cell processors and { HEAD ~ said first input output controller } of { TAIL ~ said plurality } of input output controllers ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH