Dell
| Can user programs or | Purpose? |
| operating system write data |
|
| to it during normal operation? |
|
|
|
|
Backplane (X8) |
| |
|
|
|
Storage Controller | No | Backplane firmware (HDD status, etc.) |
Processor |
|
|
|
|
|
Control Panel |
|
|
|
|
|
Internal USB | Yes, as allowed by OS | Normal usage is |
|
| limited |
|
|
|
Power Supply |
|
|
|
|
|
PSU Microcontroller | No | Power Supply operation, power telemetry data, and |
|
| fault behaviors |
|
|
|
PDB | No | To control the power sequence and all protection |
Microcontroller |
| functions on PDB |
|
|
|
PERC 6/i Adapter |
|
|
|
|
|
PERC NVSRAM | No | Stores HDD configuration data |
Config Data |
|
|
|
|
|
PERC firmware | No | Storage Controller Firmware |
|
|
|
PERC Cache RAM | No, not directly | Storage RAID controller cache |
|
|
|
FRU | No | Card product identification for system inventory |
|
| purposes |
|
|
|
IBUTTON Key | No | Feature enablement encrypted key |
EEPROM |
|
|
|
|
|
CPLD | No | HW control logic (i.e., power sequencing) |
|
|
|
SAS 6/iR Integrated |
|
|
|
|
|
Controller | No | Stores configuration data of HDD's |
Configuration Data |
|
|
|
|
|
FRU | no | Card product identification for system inventory |
|
| purposes |
|
|
|
Integrated | no | Stores configuration data of HDD's |
Mirroring NVSRAM |
|
|
|
|
|
iDRAC6 Enterprise |
|
|
|
|
|
vFlash | Yes, when installed, | Storage of logs, user images like files, drivers, OS, etc. |
| enabled, and the media does |
|
| not have the write protect |
|
| switch applied |
|
|
|
|
77
PowerEdge R510 Technical Guide
