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The SUID is needed only to support SOM
®
software functions. An incorrect SUID
does not affect other system functions. To order a new SUID, contact the marketing
representative (hardware feature code 1311).
Determining a primary or alternative console
Introduction
A console is a workstation that allows you to view and control system operations.
The primary console is the first workstation that the system identifies. It is attached
to the first input/output adapter (IOA) or input-output processor (IOP) that
supports workstations. The alternative console is the workstation that functions as
the console when the primary console is not operational. The system can assign up
to two alternative consoles. The first alternative console can only be a twinaxial
workstation that is attached to the same IOP as the primary console. The next
alternative console is a workstation that is attached to the next IOA or IOP that is
capable of supporting workstations.
The IOA or IOP that supports a console must be on the system bus (bus 1).
If a workstation is not correctly attached to the first IOA or IOP that is capable of
attaching workstations, the system will not assign a primary console. If it does not
assign a primary console, the system displays a reference code on the control
panel. If the system is set for Manual mode, it stops during the IPL.
For more information on how to determine the primary and alternative consoles,
see “Identifying the consoles when the system is operational”.
Primary console requirements
For a workstation to be the primary console, it must be operational and attached to
the system bus. It must also have the correct port and address assigned. If the
workstation is a personal computer, it must also have an active workstation
emulation program.
The workstation requirements are:
v Twinaxial workstation
– Port 0, Address 0, Bus 1
v ASCII workstation
– Port 0, Bus 1
v Personal computer attached to ASCII IOP
– Port 0, Bus 1
– Personal computer software to emulate a 316x or 3151 terminal
v Personal computer attached to Twinaxial IOP
– Port 0, Address 0, Bus 1
– 5250 emulator software active on personal computer
For more information on how to determine the primary and alternative consoles,
see “Identifying the consoles when the system is operational”.
Identifying the consoles when the system is operational
When the system is operational, you can determine the primary and alternative
consoles by performing one of the following:
v Look at the display.
128 Service Functions V5R2