IBM 6H0, Service Manual

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The standby phase components are as follows:
v Modem Configuration
The service processor configures the modem (if installed) so that incoming calls can
be received, or outgoing calls can be placed.
v
Dial In
Monitor incoming phone line to answer calls, prompt for a password, verify the
password, and remotely display the standby menu. The remote session can be
mirrored on the local ASCII console if the server is so equipped and the user enables
this function.
v
Menus
The service processor menus are password-protected. Before you can access them,
you need either the general user password or the privileged user password.
Bring-Up Phase
This phase is entered upon power-on, and exited upon loading of the operating system.
The bring-up phase components are as follows:
v
Retry request check
The service processor checks to see if the previous boot attempt failed. If the
specified number of failures is detected, the service processor displays an error code
and places an outgoing call to notify an external party if the user has enabled this
option.
v Dial out
The service processor can dial a preprogrammed telephone number in the event of a
boot failure. The service processor issues an error report with the last-reported boot
status and any other available error information.
v
Update operator panel
The service processor displays operator panel data on the ASCII terminal if a remote
connection is active.
v
Environmental monitoring
The service processor provides expanded error recording and reporting.
v System firmware surveillance (heartbeat monitoring)
The service processor monitors and times the interval between system firmware
heartbeats.
v
Responding to system processor commands
The service processor responds to any command issued by the system processor.
Chapter 7. Using the Service Processor
411