System unable to detect all memory out of 1TiB in 40-bit address mode with HP DL980 G7

Solution Verified - Updated -

Issue

  • A HP ProLiant DL980 G7 Server did only display 1006GB on the ESXi console, while the end-user had 1024GB memory installed.
  • System is unable to detect all memory installed in 40-bit addressing mode.

Environment

  • Red Hat Enterprise Linux 6
  • Hp ProLiant DL980 G7

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