About System Components
Callout Description
Note - PCIe slot 1 is nonfunctional in single-processor systems.
17 PCIe risers (3)
18 DIMMs (Only twelve DIMMs are supported in single-processor systems and the DIMMs must be installed
in P0 DIMM sockets.)
19 Power supplies
20 Server chassis
Customer-Replaceable Units
The following table lists the customer-replaceable units (CRUs) in the server and directs you to
the replacement instructions.
CRU Description Replacement Instructions
Battery Lithium coin-cell battery that powers the CMOS BIOS
and real-time clock.
“Servicing the Battery
(CRU)” on page 133
DIMMs Add or replace memory modules in the system. “Servicing the DIMMs
(CRU)” on page 97
Storage drives Supports SAS hard-disk drives (HDDs), solid-state
drives (SSDs), or NVMe SSDs.
“Servicing Storage Drives
(CRU)” on page 65
Internal USB flash
drive
Optional support for one internal USB flash drive. “Servicing an Internal USB Flash
Drive (CRU)” on page 93
Internal M.2 flash
SSDs
Supports up to two internal SATA M.2 flash SSDs. “Servicing the Internal M.2 Flash
SSDs (CRU)” on page 127
Fan modules Four fan modules for cooling the motherboard
assembly and installed components.
“Servicing Fan Modules
(CRU)” on page 81
PCIe cards Optional add-on PCIe cards that can expand the
functionality of the server.
Note - The Oracle Storage 12 Gb SAS PCIe RAID
HBA, Internal card is a field replaceable unit (FRU)
and should only be serviced by authorized Oracle
Service personnel.
“Servicing PCIe Cards
(CRU)” on page 121
PCIe risers Houses and connects the PCIe cards. “Servicing PCIe Risers
(CRU)” on page 111
Power supplies Two fully redundant AC power supplies. “Servicing Power Supplies
(CRU)” on page 87
Related Information
■
“Field-Replaceable Units” on page 22
About the Oracle Server X7-2 21
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