Dell
77
PowerEdge R510 Technical Guide
Can user programs or
operating system write data
to it during normal operation?
Storage Controller
Processor
Backplane firmware (HDD status, etc.)
Normal usage is read-only software license key, but not
limited
Power Supply operation, power telemetry data, and
fault behaviors
To control the power sequence and all protection
functions on PDB
Stores HDD configuration data
Storage Controller Firmware
Storage RAID controller cache
Card product identification for system inventory
purposes
Feature enablement encrypted key
HW control logic (i.e., power sequencing)
Controller
Configuration Data
Stores configuration data of HDD's
Card product identification for system inventory
purposes
Integrated
Mirroring NVSRAM
Stores configuration data of HDD's
Yes, when installed,
enabled, and the media does
not have the write protect
switch applied
Storage of logs, user images like files, drivers, OS, etc.