System/370 Model 165 (cont'd)
To
Clear Main Storage (Clear Storage)
1. Hold SYSTEM CLEAR; press SYSTEM RESET.
2. Release SYSTEM CLEAR; manual light turns on.
3. Perform I PL.
Hard
Stop
Option
If
both
wait and system lights are off, possible hardstop may
be
assumed.
If
no special
procedures are provided by service personnel, follow procedures
in
Hardstop
option,
listed below.
1.
Set MACHINE CHECK
to
STOP
ON
CHK.
2.
At
stop, press STOP, CHECK RESET, and START.
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