IBM 6274 User Guide - Page 73

Memory problems

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Memory problems Symptom The amount of memory displayed is less than the amount of memory installed. Action The amount of available memory shown might be somewhat less than expected because of basic input/output system (BIOS) shadowing and other resource requirements (such as ACPI and USB). Verify that: 1. You have installed the correct type of DIMMs for your computer. See "Installing memory" on page 40. 2. The DIMMs are properly installed and securely connected. 3. If you added or removed memory, you saved the new configuration before exiting from the IBM Setup Utility program. If the problem persists, run the memory test from the diagnostic program supplied with your computer. (See "Running the IBM Enhanced Diagnostics program" on page 66 for further information.) The computer might have detected a bad DIMM and automatically reallocated memory so that it could continue to operate. If you cannot correct the problem, have the computer serviced. Chapter 6. Troubleshooting 59

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Chapter 6. Troubleshooting
59
Memory problems
Symptom
Action
The amount of memory
displayed is less than the
amount of memory
installed.
The amount of available memory shown might be somewhat
less than expected because of basic input/output system
(BIOS) shadowing and other resource requirements (such as
ACPI and USB). Verify that:
1.
You have installed the correct type of DIMMs for your
computer. See
“
Installing memory
”
on page 40.
2.
The DIMMs are properly installed and securely
connected.
3.
If you added or removed memory, you saved the new
configuration before exiting from the IBM Setup Utility
program.
If the problem persists, run the memory test from the
diagnostic program supplied with your computer. (See
“
Running the IBM Enhanced Diagnostics program
”
on page
66 for further information.) The computer might have
detected a bad DIMM and automatically reallocated memory
so that it could continue to operate.
If you cannot correct the problem, have the computer
serviced.