Xerox 721 Message Manual page 179

XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE
OS8410 Byte aligned disk I/O request... input aborting.
The input task issued a disk input/output request on a byte
boundary rather than a correct word boundary. The job is
aborting.
Action 1. Restart the job. This message should not reappear if the
failure was an intermittent CPU/memory failure or software
error.
2. If the message recurs, contact your systems specialist or
Xerox Customer Service
OS8420 Bad LBN on disk I/O... input aborting.
The input task has issued a disk input/output request with an
invalid disk logical block number. The job is aborting.
Action 1. Restart the job. This message should not reappear if the
failure was an intermittent CPU/memory failure or software
error.
2. If the failure recurs, save the tape or data and contact your
systems specialist or Xerox Customer Support.
OS8430 Illegal address space on disk I/O...input aborting.
The input task has issued a disk input/output request using an
invalid memory address. The job is aborting.
Action 1. Restart the job. This message should not reappear if the
failure was an intermittent CPU/memory failure or software
error.
2. If the failure recurs, save the job tape or data and contact
your systems specialist or Xerox Customer Support.
OS8500 System reliability log lost.
The system reliability log (error log) file cannot be accessed due
to an apparent file management problem.
Action 1. Enter the PROBLEM command to help define the condition.
2. Resysgen the disk to correct the problem, if authorized to do
so (refer to your 4635 LPS OSS System Program Description
["-11"]),
or
Contact your systems specialist.
OS8550 Drive xxx not useable: no disk ID.
The indicated disk drive cannot be used because it has not been
formatted for your system.
Action Format the disk. (Refer to your 4635 LPS System Generation
Guide.)
OS8555 Drive xxx not useable: wrong disk ID.
The indicated disk drive cannot be used because it was moved
from another system and was not formatted for this one.
Action Reformat the disk. (Refer to your 4635 LPS System Generation
Guide.)
OSS (OPERATING SYSTEM SOFTWARE) MESSAGES
6-103