Well, I removed quite a lot of QSECOFR passwords... Try to boot in manual mode,
01 B M and follow this... http://www-01.ibm.com/support/docview.wss?uid=nas8N1019462 Resetting QSECOFR with an Attended IPL Hoping that DST password is still QSECOFR/QSECOFR (usually it is so)
