Customer-Replaceable Units
The following table lists the customer-replaceable units (CRUs) in the server and
directs you to the replacement instructions.
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Storage drive (HDD, SSD)
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Hot
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Storage drive configurations can comprise both hard disk
drives (HDDs) or solid state disk drives (SSDs).
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Power supplies (PS0-3)
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Hot
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Four fully redundant AC-powered power supplies.
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PCIe Cards
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Hot service as part of DPCC, which must be removed
first.
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Optional add-in cards that can expand the functionality of the
server.
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Dual PCIe card carrier (DPCC)
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Hot
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Each DPCC holds two PCIe cards.
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Fan modules (FM0-7)
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Hot
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Eight fan modules for cooling the server components
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Fan frames
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Cold
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Two fan frames contain four fan modules for cooling the server
components.
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Memory (DIMMs)
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Warm
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Add or replace memory modules located in CMODs.
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External USB flash drive
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Hot
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The SMOD includes two external USB ports.
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System Clock Battery
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Cold
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3V Lithium Coin Cell Battery that powers the CMOS BIOS and
real-time clock located in SMOD
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HBA battery
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Cold
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The HBA battery provides backup power for the internal HBA
card.
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