Memory Exerciser; Tape Exerciser - HP 9845B/C CE Handbook

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9845B/C Environmental, Installation, and Preventive Maintenance Requirements
Memory Exerciser (MEMORY)
Due to the comprehensive nature of the MEMORY exerciser, the following special circumst-
ances exist:
• There is no printed output available. Test results are displayed on the CRT.
• MUltiple repetitions of the MEMORY exerciser are not allowed.
• When you wish to run the MEMORY exerciser, it must be the only exerciser selected.
Pressing any keys on the keyboard while the MEMORY exerciser is running may cause an error.
Error messages are displayed if errors occur. If you want to stop the exerciser while it is running,
press the STOP key.
The exerciser begins by displaying a blinking:
ROM CHECKSUM TEST RUNNING
A ROM checksum failure is indicated by the message:
ROM CHECKSUM FAILURE BLK
X
ADDRESS
XXXXXX-XXXXXX
Refer to Section 4, Troubleshooting to interpret messages. If this message is displayed, press
CONT to continue the exerciser. The memory check is run next while the CRT displays a
blinking:
R/W MEMORY EXERCISER RUNNING
During the memory check, the CRT displays various characters and lines on its print area. This
is normal.
A read/write memory failure is indicated by the message:
MEMORY ERROR BLK
X
ADDRESS
XXXXXX
HAS
XXXXXX
NOT
XXXXXX
Note
The display may have a variety of patterns on it for a short period of
time during the MEMORY exerciser. This is normal.
A message is displayed when the exerciser has completed.
Tape Exerciser (TAPE)
In order to run this exerciser. the system exerciser cartridge in the right-hand tape drive must be
unprotected (tab slid to the right). If you want to exercise the left tape drive, an unprotected
tape cartridge (which has been initialized) must be installec.l in it.
Note
If files named DATA1. DATA2. DATA3. DATA4. or DATA5 exist on
the tape which you insert in the left tape drive, they will be purged by
this exerciser.
It is suggested that you set the print all mode by pressing and latching the PRT ALL key. This
enables you to see every message which is displayed. When the exerciser has completed, press
and unlatch the PRT ALL key to turn off the print all mode.