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80 IBM® xSeries 220 User’s Reference
162 A change in device configuration occurred. This error occurs under one or more of the following
conditions:
• A new device has been installed.
• A device has been moved to a different location or cable connection.
• A device has been removed or disconnected from a cable.
• A device is failing and is no longer recognized by the server as being installed.
• An external device is not turned on.
• An invalid checksum is detected in the battery-backed memory.
Action: Verify that all external devices are turned on. You must turn on external devices
before turning on the server.
If you did not add, remove, or change the location of a device, a device is probably failing.
Running the Diagnostic program might isolate the failing device.
If you cannot isolate and correct the problem, call for service.
163 The time of day has not been set.
Action: Set the correct date and time. If the date and time are set correctly and saved, but the
163 error message reappears, call for service.
You can use the server until the system is serviced, but any application programs that use the date
and time will be affected.
164 A change in the memory configuration occurred. This message might appear after you add or
remove memory.
Note: The server can be used with decreased memory capacity.
Action: 1. If POST error message 289 also occurred, follow the instructions for that error
message first.
2. If you just installed or removed memory, run the Configuration/Setup Utility
program; then, exit, saving the new configuration settings.
If the message appears again, shut down the server, reseat the memory
modules, and restart the server.
If the problem persists, call for service.
175 A vital product data (VPD) error occurred.
Action: Call for service.
176 177 178 A security hardware error occurred.
Action: Check for indications that someone has tampered with the server. If no one has
tampered with the server, call for service.
184 The power-on password information stored in your server has been removed.
Action: From the Configuration/Setup Utility program main menu, select System Security.
Then, follow the instructions on the screen.
If this information cannot be restored, call for service.
185 A power failure damaged the stored information about the drive-startup sequence.
Action: From the Configuration/Setup Utility program main menu, select Start Options;
then, follow the instructions on the screen.
If this information cannot be restored, call for service.
POST message Description
Table 13. POST error messages