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  | 
                              
                                 
                                  Cold-serviceable 3V Lithium Coin Cell Battery that powers the CMOS BIOS and real-time clock located in SMODs.  | 
                              |
| 
                                 
                                  Memory (DIMMs)  | 
                              
                                 
                                  Warm-serviceable Add or replace RDIMM or LRDIMM memory modules located in CMODs.  | 
                              |
| 
                                 
                                  Storage drives  | 
                              
                                 
                                  Hot-serviceable Storage drive configurations can comprise both hard disk drives (HDDs) or solid state disk drives (SSDs).  | 
                              |
| 
                                 
                                  Fan modules (FM0-7)  | 
                              
                                 
                                  Hot-serviceable Eight fan modules for cooling the server components.  | 
                              |
| 
                                 
                                  PCIe cards  | 
                              
                                 
                                  Hot-serviceable Optional add-in cards that can expand the functionality of the server. Note: The Oracle Storage 12 Gb/s SAS PCIe RAID HBA card is a field replaceable unit (FRU) and should only be serviced by authorized Oracle Service personnel.  | 
                              |
| 
                                 
                                  Dual PCIe card carriers (DPCC)  | 
                              
                                 
                                  Hot-serviceable Eight dual PCIe card carriers (DPCCs), each with two PCIe card slots.  | 
                              |
| 
                                 
                                  Power supplies (PS0-3)  | 
                              
                                 
                                  Hot-serviceable Four fully redundant AC-powered power supplies.  | 
                              |
| 
                                 
                                  Energy Storage Module and ESM extension cable  | 
                              
                                 
                                  Cold-serviceable Provides backup power between the Energy Storage Module (ESM) and the Oracle Storage 12Gb SAS PCIe RAID HBA, Internal 16-Port located in SMODs.  |