Dell R510 User Manual
Page 77
Dell
77
PowerEdge R510 Technical Guide
Can user programs or
operating system write data
to it during normal operation?
Purpose?
Backplane (X8)
Storage Controller
Processor
No
Backplane firmware (HDD status, etc.)
Control Panel
Internal USB
Yes, as allowed by OS
Normal usage is read-only software license key, but not
limited
Power Supply
PSU Microcontroller
No
Power Supply operation, power telemetry data, and
fault behaviors
PDB
Microcontroller
No
To control the power sequence and all protection
functions on PDB
PERC 6/i Adapter
PERC NVSRAM
Config Data
No
Stores HDD configuration 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
EEPROM
No
Feature enablement encrypted key
CPLD
No
HW control logic (i.e., power sequencing)
SAS 6/iR Integrated
Controller
Configuration Data
No
Stores configuration data of HDD's
FRU
no
Card product identification for system inventory
purposes
Integrated
Mirroring NVSRAM
no
Stores configuration data of HDD's
iDRAC6 Enterprise
vFlash
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.