HP 3000 SERIES II System Service Manual page 16

Computer system
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System Service
1-12.
COLD LOAD (DIAGNOSTIC)
Perform the following steps to cold load a diagnostic tape.
NOTE
When the SYSTEM SWITCH REGISTER bit 8 is set to 0, all
memory is initialized with a HALT %10 instruction (%030370)
prior to executing the cold load. If bit 8 is set to 1, no initialization
occurs prior to the cold load.
a.
Load tape on tape unit O.
b.. Enter %003006 on SYSTEM SWITCH REGISTER. Simultaneously press LOAD and ENABLE
switches.
c.
Select the appropriate diagnostic file number from the tape and enter this octal number in the
SYSTEM SWITCH REGISTER.
d. Press RUN. The diagnostic loads and the tape rewinds at the end of the load.
e.
Set SYSTEM SWITCH REGISTER to 000000.
NOTE
The following verification procedures can only be used with tapes
shipped with the system and listed in Table 1-2. Unless directed
otherwise, all operator entries are made using the system console.
NOTE
Prior to performing any maintenance or shutdown procedures,
have the System Operator verify that all jobs/sessions have been
terminated before proceeding.
NOTE
Do not power-up or power-down any peripheral device when a
diagnostic is running. Failure to observe this note could adversely
effect the diagnostic that is executing.
1-13.
HP 30129 CARTRIDGE DISC DIAGNOSTIC (D419)
The diagnostic verifies the input, output, and control functions of the HP 30129A Cartridge Disc
subsystem. The following procedure is used to verify operation.
NOTE
A SYSDUMP should be performed prior to executing the diag-
nostic. A RELOAD must be performed after completing the
diagnostic.
1-6

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