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The following section explains how to use the three
positions on the key mode switch:
Warning: The Reset button is enabled when the key
mode switch is in the Normal or Service position. If
you press Reset and the Model 120 is still running,
data can be damaged or lost.
•
The Normal position is used for unattended
operation. When the Model 120 IPLs, it
proceeds according to the list of adapters
established during the configuration of the
Model 120.
•
The Service position is used for attended
operation when hardware or software service
is performed. The Service position allows you
to perform debug and dump procedures. In the
Service position, the Model 120 attempts to IPL
from the diskette drive, if it contains a diskette,
or from the disk.
•
The Secure position is used to prevent user
intervention locally from the operator panel
and remotely from the SNMP network manager.
The Secure position should not be used unless
the Model 120 is being disconnected from the
network.
Before starting the Model 120 for operation, set the
key mode switch to Normal. This permits the Model
120 software to load after the power-on self-test
(POST) has completed.
If the Model 120 is not operating correctly, contact
your IBM service representative. In the
Uni~ed
States, call1-800-IBM-SERV. In other countries,
contact your IBM marketing representative for the
service phone number.
2-2
6611 Operations Pocket Guide
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