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 Problem Determination and Service Guide on the IBM System x Documentation CD 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
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-X
slots. Make sure that the boot device is
positioned early in the scan order (see the User’s
Guide for information about the scan order).
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.
1802 No more I/O space is available for a PCI
adapter.
1. Make sure that the settings for the adapter and all
other adapters in the Configuration/Setup Utility
program are correct.
2. If the error code indicates a particular PCI or
PCI-X slot or device, remove that device.
3. Reseat each adapter
4. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Each adapter
b. (Trained service technician only) PCI-X board
1803 No more memory (above 1 MB for a PCI
adapter).
1. Make sure that the settings for the adapter and all
other adapters in the Configuration/Setup Utility
program are correct.
2. If the error code indicates a particular PCI or
PCI-X slot or device, remove that device.
3. Reseat each adapter
4. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Each adapter
b. (Trained service technician only) PCI-X board
72 IBM System x3500 Type 7977: Installation Guide
