What are two considerations when adding an MX760c in a chassis running OME-M firmware earlier than v2.0? (Select 2)

Question

Options

• AIf the MX760c is a thermally challenged system, the maximum supported ambient temperature
• BIf the MX760c is not a thermally challenged system, the sled is going to run as designed.
• CAll the fans on the PowerEdge MX7000 must be Silver Grade.
• DIf the iDRAC of the existing sleds is not at a supported level, ATMOS cannot calculate the

• A
  80% (48)
• B
  15% (9)
• C
  5% (3)

Explanation

When installing an MX760c in a chassis with OME-M firmware older than v2.0, two specific compatibility and thermal management concerns arise.

Why A and D are correct: Option A is valid because a thermally challenged MX760c configuration (one with high-heat components or restricted airflow) has strict ambient temperature limits that must be respected-older firmware may not properly enforce or communicate these limits, putting the system at risk. Option D is correct because ATMOS (Dell's Adaptive Thermal Management Operating System) depends on all sled iDRACs being at supported firmware levels; if any existing sled's iDRAC is outdated, ATMOS cannot accurately calculate thermal headroom for the new MX760c, potentially causing unmanaged thermal conditions.

Why B is wrong: The absence of thermal challenge doesn't eliminate all concerns-iDRAC compatibility (option D) still applies regardless of the sled's thermal profile, so B creates a false sense of safety.

Why C is wrong: There is no blanket requirement that all MX7000 fans must be Silver Grade when adding an MX760c; fan grade requirements depend on specific configurations and airflow needs, not a universal chassis rule.

Memory tip: Think "Temperature and Tracking"-A covers ambient temperature limits for hot sleds, and D covers the system's ability to track/calculate thermal data via ATMOS. Both relate to thermal management, just at different layers (physical vs. software).

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