Initial Microprogram Load (Impl) - IBM System/370 145 Operating Procedures Manual

INITIAL MICROPROGRAM LOAD (lMPL)
• Ensure that forms are inserted in the console PR-KB and
the *370 microprogram disk is mounted in the console
file.
1
Set all rotary switches to their normal operating posi-
tions. Ensure that the ADDRESS COMPARE CON-
TROL toggle switch is set to SYNC/NORM.
2
If power is not on, press the POWER ON key. An
automatic IMPL occurs. If power is on, press START
CONSOLE FI LE key to initiate the IMPL.
44
HARD
, STOP
~.SYNCI
~
NORM
STOP
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