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The BIOS Setup Utility provides a mechanism to disable a memory module if it is detected to be faulty. A faulty memory module is defined to have either multiple correctable errors or a single uncorrectable error.
Memory errors are logged during runtime and single bit ECC Errors are counted.
Though memory modules are marked as "Disabled", they are actually disabled only during the next reboot. At the next system boot, memory-sizing code reads the recorded state of the memory modules, and skips sizing all memory modules marked as disabled.
For more information, reference the Technical Product Specification.
Warning:
Because memory modules are always used in 2-way interleaving, the memory module pair is disabled. If all memory modules in a system have been disabled, the BIOS Setup Utility will generate beep codes to indicate that the system has no usable memory.
Rows of a disabled memory modules may be re-enabled through a BIOS Setup Utility options. The memory module slot will no longer be disabled if the system is booted without memory in the memory slot.
Retesting of the memory module can be conducting by enabling the "Memory Retest" item in the Chipset Sub-Menu of the BIOS Setup Utility. If enabled, the BIOS Setup Utility will activate and retest all memory modules during the next system boot. This setting is returned to disabled after retest is complete, during the next system boot.
This applies to:
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