1Q54I POWER I/O CANCEL xx
xx = BG/F4/F3/F2/F1
Cause: An irrecoverable disk or tape I/O error has occurred and the operator has canceled the
routine. The POWER partition will cancel with a dump of all real storage if SYSLST is assigned
in the POWER partition. All partitions supported by POWER will be canceled, too, and have
SYSRDR, SYSIPT, SYSLST and SYSPCH unassigned.
Programmer Action: none.
Operator Action: Stop the partitions that are not to be used any longer by means of the
DOS/VS command STOP.
Used with Courtesy and Permission of International Business Machines, Inc.