IBM System/370 145 Operating Procedures Manual page 46

3
The I MPL REaD and CF PWR ON indicators turn on
and the START CONSOLE FILE key turns red.
When the console file starts reading, the START
CONSOLE FI LE key turns white.
The message GO-NO-GO COMPLETE prints on the
PR-KB. If the message GO-NO-GO FAI LED prints,
refer to "I MPL Error Recovery," page 47.
Note: If the PR-KB is not ready during an IMPL
operation, the audible alarm sounds to indicate GO-
NO-GO messages.
4
When control storage is loaded, the console file powers
off automatically. The CF PWR ON indicator and the
START CONSOLE FI LE key light turn off.
The system reset routine executes, the IMPL REaD
indicator turns off, and the CPU enters the soft-stop
state (MAN indicator on).
The IMPL operation takes approximately 35
seconds.
CF
PWR IMPL
00
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Operating Procedures 45