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Table 2. Abbreviated list of POST error codes (continued)
v Follow the suggested actions in the order in which they are listed in the Action
column until the problem is solved.
v See the parts listing in the Problem Determination and Service Guide to determine
which components are customer replaceable units (CRU) and which components
are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must
be performed only by a trained service technician.
Error code Description Action
1800 Unavailable PCI hardware
interrupt.
1. Run the Configuration/Setup
Utility program and adjust the
adapter settings.
2. Remove each adapter one at a
time, restarting the server each
time, until the problem is
isolated.
1801 A PCI adapter has requested
memory resources that are not
available.
1. Make sure that no devices
have been disabled in the
Configuration/Setup Utility
program.
2. Change the order of the
adapters in the PCI, PCI-X,
and PCI Express slots. Make
sure that the startup (boot)
device is positioned early in
the scanning order. (For
information about the scanning
order, see the User’s Guide on
the IBM xSeries
Documentation CD).
3. Make sure that the settings for
the adapter and all other
adapters in the
Configuration/Setup Utility
program are correct. If the
memory resource settings are
not correct, change them.
4. If all memory resources are
being used, remove an adapter
to make memory available to
the adapter. Disabling the
BIOS on the adapter should
correct the error. See the
documentation that comes with
the adapter.
56 xSeries 206m Types 8485 and 8490: Installation Guide