IBM System i Manual page 101

The following functions are available using the console service functions (65+21):
| v Change the console type value (01-03)
| You can use the console service functions (65+21) to change the console type from its current value to
another. For example, assume that you ordered your system with Operations Console LAN, but you
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are having trouble getting it to work. If you have received the console cable for a directly attached
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| console, you might want to change the value from a 3 (LAN) to a 2 (direct).
v Clear the resource and configuration for the LAN adapter used by Operations Console (C3)
With this option, you can disassociate the current LAN adapter used for Operations Console. You
might use this option to overcome a mistake in the configuration. For example, assume that you made
a typing error and entered another device's IP address. At connection time, the client configured the
system's LAN adapter for use by the console, but the console fails to connect because the other device
is active. This option clears the system's network data for the console and allows you to delete the
client's configuration so that you can start over and make the BOOTP work again.
Depending on your intent to clear the LAN adapter configuration you might also want to stop and
restart the LAN adapter. The example here would benefit from following the clear function with a
deactivate and activate (A3) function to save time from having to do an IPL.
v Deactivate followed by an activate of the LAN adapter used by Operations Console (A3)
With this option, you can reset the LAN adapter used by Operations Console, when some network
problem causes the system to get into a bad state and the console cannot become active. This forces the
LAN adapter to deactivate, and then start back up again. This might clear up the problem, providing
the original problem that caused the connection failure has been solved.
This option may be used in place of an IPL for some circumstances, such as after a clear of the LAN
adapter configuration.
v Dump Operations Console flight recorders to vlogs (DD)
Note: This option will not work if the system performs IPL in D-mode.
This option will allow you to capture valuable debug information regarding a console connection
failure for support personnel. This method is less intrusive than performing a main storage dump
which would force an IPL. By using the console service functions (65+21) an attempt is made to gather
all the flight recorder logs from the many parts of the code used by Operations Console. A set of vlogs
is created for major code 4A00 and minor code 0500. These vlogs can then be sent to your service
provider for analysis.
Note: When possible, perform an IPL on the system to guarantee all vlogs get created even if the IPL
will fail. The intent is that LIC has started the vlog tasks prior to performing the dump of flight
recorders.
The following is an overview of how this function works:
Note: If your system is not in manual mode, and the extended functions are not activated, or both,
follow these steps:
1. If your system uses a keystick, insert it in the key slot.
2. Place the system into manual mode by using the system's control panel.
3. Using Up and Down, select function 25. Press Enter.
4. Use Up to select function 26. Press Enter.
A function 65 is performed from one of the input methods. You have approximately 45 seconds to enter a
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function 21 for the system to pair the two functions together. If not, the function 21 is a force of DST to
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| the console. Depending on the state of the current IPL you may or may not see a change at the console,
assuming the console is still present after the 65. If the 65 and 21 are entered in less than 45 seconds, a
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system reference code (SRC) of A6nn500A should appear on the control panel. The value of nn is
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| dependent upon the console type currently being used, 01 thru 03. Repeating the 65 and 21 puts the
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Operations Console