IBM RT PC Problem Determination Manual page 266

5-16 AIX Operating System Problem Determination Guide
52 Device driver define device failed.
Cause: A define device SVC was attempted on the
device driver specified on the VTCP command line in the
Inst.Batch file. The SVC failed and the device driver
was not added into the system.
Action: Contact the supplier of the "device diskette."
53 VTRM define device failed.
Cause: A define device SVC was attempted on the
VTRM. The SVC failed and the VTRM was not added
into the system. The VTRM DDS used was that supplied
by the control program.
Action: Contact the supplier of the "device diskette."
54 The VTMP could not be bound to its display.
Cause: The virtual display driver could not be linked to
the virtual terminal.
Action: Contact the supplier of the "device diskette."
55 Read error.
Cause: A read error occurred during the VRM install
process.
Action: Try a backup diskette if you have one or
contact the supplier of the diskette.