IBM 9114-275 - IntelliStation POWER 275 Service Manual page 218

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This option requires a diskette drive to be installed in the system. If this option is selected, and no
diskette drive is present in the system, the service processor will indicate Not Supported on the screen.
This option updates the system EPROMs. After entering Y to indicate that you want to continue, you are
prompted to enter the update diskettes. Follow the instructions on the screen. When the update is
complete, the service processor reboots.
All system EPROMs that can be reprogrammed are updated at the same time and are as follows:
– System power control network programming
– Service processor programming
– System firmware programming
– Run-Time Abstraction Services
v Serial Port Snoop Setup Menu
This menu can be used to set up serial port snooping, in which the user can configure serial port 1 as a
"catch-all" reset device.
From the service processor main menu, select option 1, service processor setup menu, then select
option 8 (Serial Port Snoop Setup Menu).
SERIAL PORT SNOOP SETUP MENU
1. System reset string:
Currently Unassigned
2. Snoop Serial Port:
Currently Unassigned
98. Return to Previous Menu
1>
Use the Snoop Serial Port option to select the serial port to snoop.
Note: Only serial port 1 is supported.
Use the system reset string option to enter the system reset string, which resets the machine when it is
detected on the main console on Serial Port 1.
After serial port snooping is correctly configured, at any point after the system is booted to the operating
system, whenever the reset string is typed on the main console, the system uses the service processor
reboot policy to restart.
Because pressing Enter after the reset string is not required, make sure that the string is not common
or trivial. A mixed-case string is recommended.
v Scan Log Dump Policy
A scan dump is the collection of chip data that the service processor gathers after a system malfunction,
such as a checkstop or hang. The scan dump data may contain chip scan rings, chip trace arrays, and
SCOM contents.
The scan dump data are stored in the system control store. The size of the scan dump area is
approximately 4 MB.
During the scan log dump, A8xx (in the range A810 to A8FF) displays in the operator panel. The xx
characters will change as the scan log dump progresses. If the xx characters do not change after five
minutes, the service processor is hung and must be reset.
When the scan log dump is complete, depending on how the reboot policy is set, the system will either:
– Go to the standby state (and the service processor menus will be available), indicated by OK or
STBY in the operator panel
OR
200
IntelliStation POWER 9114 Model 275 Service Guide

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