Como o Diagnóstico do Sistema Pre Boot da Dell “resolve” os erros de memória?

Question

Eu corri o ePSA do Dells no meu laptop (Inspiron 17R SE) e resultado foi

"Memory errors detected, but successfully resolved"

Eu acredito que os erros de memória são um problema de hardware. Há alguma explicação sobre como o diagnóstico do sistema "resolve" os erros de memória?

O laptop é um laptop de consumo e, portanto, não contém memória ECC.

Imagem de erro:

    

Answer 1

Erros de memória detectados, mas resolvidos com êxito

A única referência que posso encontrar para "Erros de memória detectados, mas resolvidos com êxito" está no Guia de Referência de Mensagens de Erro e Evento para Servidores Dell PowerEdge de 13ª Geração Versão 2.0 :

DIAG0121

Message
    Memory errors detected, but successfully resolved. 
Detailed Description
Recommended Response Action
    MemRx is enabled and repaired all memory errors that were found.
    DIMM replacement is optional. 
Category
    System Health 
Subcategory
    DIAG = Diagnostic 

Embora este documento seja para servidores Dell, ele nos dá uma pista:

MemRx is enabled and repaired all memory errors

A referência ao MemRx me permitiu encontrar:

The latest addition to the ePSA diagnostics is the MemRx tool, the MemRx tool will be factory installed on all new client machines that ship out post April 2012.

The MemRx Tool is embedded into the ePSA (Enhanced Pre-Boot System Assessment) diagnostics. It will auto run when the memory testing portion of the tools are run.

The tool will identify and mask defective blocks on the memory provided the failures are contained within 50, 4k bytes, without any user intervention.

In a system which ships with more than one memory module, there is no way of isolating the faulty memory module, without opening the system and running the tool on each memory module individually. The tool will not be able to identify which memory module has failed on its own.

The features of the MemRx tool are listed here:

• MemRx is a tool that can successfully repair and ignore defective memory areas by masking the address from system usage.
• It requires a UEFI version of ePSA, this information is displayed at the lower right hand corner of the ePSA screen
• The technology is similar to HDD repair utilities (like checkdisk or scandisk).
• BitSmart & Fault Tolerant Memory compatible, which means it is compatible with RAM that can fix errors automatically.
• It is independent of DIMM isolation, which means that the tool cannot identify which DIMM is failing on its own.

Link de origem