System information

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Altos R380 F2 FAQ (Frequently Asked Questions)
11. What Memory RAS feature does Altos R380 F2 support?
ANSWER:
ANSWER:ANSWER:
ANSWER: Memory RAS features including memory mirroring, sparing and lockstep are supported on both
RDIMM.
12. How do I enable memory mirroring?
ANSWER:
ANSWER: ANSWER:
ANSWER: Please enter BIOS Setup during POST.
a. Please select Advanced.
b. Please select Memory Configuration.
c. Please select Memory RAS and Performance Configuration
d. You would see below options:
Select Memory RAS Configuration [Maximum Performance]
e. Please change the setting of Select Memory RAS Configuration. You will see the following options
available.
• Maximum Performance
• Mirroring
• Lockstep
• Sparing
f. Please select Mirroring
NOTE. The Sparing only available with quad rank DIMM
NOTE. The Mirroring, Sparing or Lockstep option might not be available if the memory population
does not follow the guideline.
g. Please save the setting before exiting from BIOS Setup.
13. How does memory mirroring work?
ANSWER:
ANSWER:ANSWER:
ANSWER: The memory mirroring feature is fundamentally a way for hardware to maintain two copies of all
data in memory subsystem, such that a hardware failure or multiple-bit error is no longer fatal to the system.
When a multiple-bit error is encountered during normal operation, hardware simply retrieves the “mirror”
copy of the corrupted data, and no system failure will occur unless both primary and mirror copies of the same
data are corrupt simultaneously.
14. Is there any guideline about the memory DIMM population for memory mirroring?
ANSWER:
ANSWER:ANSWER:
ANSWER: Please refer to Altos R380 F2 Product Spec.
15. How do I enable memory sparing
ANSWER:
ANSWER: ANSWER:
ANSWER: Please enter BIOS Setup during POST.
a. Please select Advanced.
b. Please select Memory Configuration.
c. Please select Memory RAS and Performance Configuration
d. You would see below options:
Select Memory RAS Configuration [Maximum Performance]
e. Please change the setting of Select Memory RAS Configuration. You will see the following options
available.
• Maximum Performance