Dell POWEREDGE R710 User Manual

Page 57

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Dell™ PowerEdge™ R710 Technical Guidebook

57

hOW is this memORy WRite PROtecteD?

hOW is the memORy cleaReD?

PlanaR, POWeReDGe R710

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

System CPLD

Requires special system-specific utility

Not possible with any utilities or applications and
system is not functional if corrupted/removed.

System CPLD

It's not accessible

Not clearable

iDRAC6 Express Internal
Flash

Writes are proxied through a temporary iDRAC
scratchpad RAM and not directly made from an OS or
OS application.

Not user clearable

System RAM

OS control

Reboot or power down system

TPM ID EEPROM
(Plug in module only)

HW read only

Not - read only

TPM Binding EEPROM
(on China planar only)

Locked by BIOS from physical access by anyone after
boot

N/A - BIOS control only

iDRAC6 SDRAM

n/a

AC cycle for BMC OS and reset / power off server for
VGA frame buffer

iDRAC6 FRU

Writes controlled by iDRAC embedded OS

EPPID is not clearable

iDRAC6 Boot Block
Flash

iDRAC embedded OS control of the write protection.

Not possible with any utilities or applications and
iDRAC does not function as expected if corrupted/
removed. Lifecycle log is clearable only in a factory
environment. SEL is user clearable.

Trusted Platform Module

SW write protected

F2 setup option

chiPset

CMOS

N/A - BIOS only control

Planar NVRAM_CLR jumper or remove AC cord, remove
cover, remove coin cell battery. Wait for 30 seconds,
replace battery, cover, and then AC cord.
F2 system setup option to restore defaults

2.5" backPlane OR 3.5" backPlane

Storage Controller
Processor

Embedded firmware only writeable through controlled
iDRAC methods

Not possible with any utilities or applications and
backplane does not function as expected if corrupted/
removed.

cOntROl Panel

Internal USB

OS control

OS control format

Internal SD Module

Only by SD card write-protect switch.

OS control format

POWeR suPPly

PSU Microcontroller

Protected by the embedded microcontroller. Special
keys are used by special vendor-provided utilities to
unlock the ROM with various CRC checks during load.

N/A - not in-system clearable

R710 Volatility Chart Continued.

hOW is Data inPut tO this memORy?

PlanaR, POWeReDGe R710

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

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