HP 3000 SERIES II System Service Manual page 25

System Verification
OPERATOR ACTION/COMMENTS
CONSOLE MESSAGE
Enter channel numbers to be tested into SYSTEM SWITCH
REGISTER. For channels 14 and 15, enter %007017.
Press RUN
CIR displays HALT %6 (%030366).
Press RUN
Program executes and CIR displays HALT %16 (030376)
after successful completion of test. An error condition will
display a HALT %12 (%030372) in CIR.
Disconnect test cable and reconnect cables to connector
panel for normal system operation.
1-20.
HP 2660A FIXED HEAD DIAGNOSTIC (D428)
The fixed head disc diagnostic verifies proper operation of the fixed head disc subsystem. The following
procedure is used to verify operation.
OPERATOR ACTION/COMMENTS
Cold load diagnostic D428 from stand-alone diagnostic tape.
Press RETURN
X
=
Version
YY
=
Update level
Z
=
Fix level
Enter in decimal the DRT number of the disc controller.
Enter in decimal the first track to be tested, usually O.
Enter 255 for a 2Mbyte disc or 511 for a 4Mbyte disc.
Set SYSTEM SWITCH REGISTER bits 0 and 15 on. (No
tracks protected).
Press RUN
CONSOLE MESSAGES
DOOO FIXED HEAD DISC DIAGNOSTIC (HP 428X.YY.Z)
P008 ENTER DEVICE NUMBER
P009 ENTER FIRST AVAILABLE TRACK
POlO ENTER LAST AVAILABLE TRACK
D14 SET SWITCH REGISTER
E001 NSW 1000000000000001
1-21.
HP 30033A SELECTOR CHANNEL DIAGNOSTIC (D429)
The selector channel diagnostic communicates with the selector channel maintenance PCA (SCMB)
via the selector channel PCA and its associated port controller PCA. Checks are made on data pattern,
response, control sequences, and I/O program orders.
The selector channel maintenance board (SCMB) PCA must be installed and configured prior to
executing the diagnostic. Refer to Section IV of this manual for installation information. The following
procedure is used to verify operation.
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