About System Components
Figure
Legend
Description
7 Motherboard assembly
8 Processors and heatsinks (Single-processor systems contain only a single processor in socket P0; socket P1
contains a cover to protect processor socket pins.)
9 Internal M.2 SATA flash SSDs
10 Top cover
11 (Optional) Oracle Storage 12 Gb SAS PCIe RAID HBA, Internal card and super capacitor
12 PCIe cards (PCIe slots 1 through 6 are nonfunctional in single-processor systems.)
13 System battery
14 (Optional) Internal USB drive
15 Power supplies
16 Air baffle
17 DIMMs (Only twelve DIMMs are supported in single-processor systems and the DIMMs must be installed
in P0 DIMM sockets.)
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 141
Air baffle Aids in the cooling the system components. “Servicing the Air Baffle
(CRU)” on page 113
DIMMs Add or replace memory modules in the system. “Servicing the DIMMs
(CRU)” on page 119
Storage drives Storage drive configurations can comprise both hard
disk drives (HDDs), solid state disk drives (SSDs),
or NVMe drives. Configurations include:
■ Up to twelve 3.5-inch hot-pluggable SAS3
HDDs/SSDs
■ Up to twelve 2.5-inch hot-pluggable PCIe-based
NVMe SSDs
“Servicing Storage Drives
(CRU)” on page 69
Internal HBA super
capacitor and super
capacitor cable
Super capacitor and cable for the Oracle Storage 12
Gb SAS PCIe RAID HBA, Internal card
“Servicing the Internal HBA Card
(FRU) and HBA Super Capacitor
(CRU)” on page 181
Internal M.2 SATA
flash SSDs
Supports up to two hot-pluggable internal M.2
SATA flash SSDs.
“Servicing the Internal M.2 Flash
SSDs (CRU)” on page 99
About the Oracle Server X8-2L 21
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