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System Service
OPERATOR ACTION/COMMENTS
Cold load the selector channel diagnostic (D429) from the
stand-alone diagnostic tape.
Press RETURN
x
=
Version
YY
=
Update level
Z
=
Fix level
Set SYSTEM SWITCH REGISTER bit 0 off.
Press RETURN
Press RETURN
Enter in decimal the DRT number of the SCMB.
Press RETURN
Enter in decimal the DRT number of the system timer
(usually 3).
Press RETURN
Enter in decimal the number of the highest memory bank in
the system.
Press RETURN
Enter in octal the highest memory address in the system.
Press RETURN
Enter in decimal the maximum number of error messages
you wish to receive.
Press RETURN
CONSOLE MESSAGE
DIOO HP30030B
SELECTOR
CHANNEL
DIAG
(D429X.YY.Z)
QI04 SELECT OPTIONS
QllO SELECT SECTION OPTIONS
QIOl SET MAINT CARD DEV NUM?
QI02 SET TIMER/CONSOLE DEV NUM?
QI08 ENTER UPPER BANK #
=
QI09 ENTER UPPER ADDRESS (OCTAL)
=
QI05 ERR PRINT LIMIT?
DllO DIRECT 110 TEST
D127 DIRECT 110 TEST COMPLETED
D130 CONTROL ORDER TEST
4-13.
SCMB STATE DISPLAY
The state of pertinent signals associated with the SCMB can be displayed on the maintenance panel as
follows (see figure 4-1).
a. Connect with a flat cable, connector J3 of 1A1 (the maintenance panel interface PCA) to either J1
(to display SEL CHAN BUS control signals), J2 (to display SEL CHAN BUS data signals), or J3 (to
display lOP BUS data signals) of the SCMB.
b. Set the maintenance panel CLOCK switch to INHIBIT.
c.
Refer to figure 4-1 for the meaning of the information displayed on the REGISTER DISPLAY
indicators.
NOTE
The system can be permitted to run in the free run mode with this
setup. However, the display is valid only in the single cycle mode.
4-6
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