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PowerEdge R210 Technical Guide
Table 34. Volatility: Data Writing and Purpose
Can user programs or
operating system write
data to it during normal
operation?
Purpose?
Planar
System BIOS
SPI Flash
No Not used
LOM
Configuration
Data
NO iDRAC Internal RAM
iDRAC6
Controller ROM
No System-Specific Hardware Logic
iDRAC6
controller RAM
No Not used
System CPLD
(non-volatile)
No for iDRAC Operating
System; Yes for Managed
System Services
Repository
iDRAC Operating System plus Managed System
Services Repository (i.e., Unified Server
Configurator, OS drivers, diagnostics, rollback
versions of various programmables)
System CPLD
(volatile)
Yes System OS RAM
iDRAC6 Express
Internal Flash
No Not used
System RAM
NO iDRAC internal RAM
TPM ID
EEPROM (Plug
in module
only)
No
BIOS binding of plug in module to a particular
planar.
TPM Binding
EEPROM (China
only)
No BMC OS + VGA frame buffer
iDRAC6 SDRAM No motherboard electronic product identifier
iDRAC6 FRU
No
iDRAC boot loader and configuration (i.e. MAC
address), Lifecycle log.
nd system event log.
iDRAC6 Boot
Block Flash
yes Storage of encryption keys
Trusted
Platform
Module
No
BIOS binding of plug-in module to a particular
planar