Dell POWEREDGE R710 - Manual (Page 7)

Component How is data input to this memory?
Storage adapters loaded with bad firmware will not provide storage controller
behavior.
PERC Cache RAM Embedded storage firmware controls the use of storage cache data.
FRU Factory only. Not customer updatable.
IBUTTON Key EEPROM Factory only. Not customer updatable.
CPLD Factory only. Not customer updatable.
SAS 6/iR Integrated
Controller Configuration
Data
Loading flash memory requires a vendor-provided firmware file and loader program
that is executed by booting up the system from a floppy or OS-based executable
(DUPs, Unified Server Configurator) containing the firmware file and the loader.
Storage adapters loaded with bad firmware will not provide storage controller
behavior.
FRU Factory only. Not customer updatable.
Integrated Mirroring
NVSRAM
Embedded storage firmware controls this data.
iDRAC6 Enterprise
vFlash
Preloaded media before installation, or remote out-of-band upload of user data (i.e.,
ISO images, files) or local server read/write capability to use like a hard disk.
How is this memory write protected? How is the memory cleared?
Planar
System BIOS SPI
Flash
Software write protected.
Not possible with any utilities or applications and
system is not functional if corrupted/removed.
LOM Configuration
Data
Not explicitly protected but special
applications are needed to
communicate through the LOMs to
reprogram this ROM.
Not user clearable.
iDRAC6 Controller
ROM
Protected permanently by hardware. Not clearable.
iDRAC6 Controller
RAM
N/A iDRAC reset.