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PowerEdge R510 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
Boot Code, System Configuration Information, EUFI
environment
LOM Configuration
Data
No
LAN on Motherboard configuration and firmware
iDRAC6 Controller
ROM
No
not utilized
iDRAC6 controller
RAM
NO
iDRAC internal RAM
System CPLD
No
System specific Hardware Logic
System CPLD
No
not utilized
iDRAC6 Express
Internal Flash
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, and rollback versions of various programs)
System RAM
Yes
System OS RAM
TPM ID EEPROM
(Plug in module
only)
No
BIOS Identification of TPM module
TPM Binding
EEPROM (China
only)
No
BIOS binding of plug in module to a particular planar.
iDRAC6 SDRAM
No
BMC OS + VGA frame buffer
iDRAC6 FRU
No
motherboard electronic product identifier
iDRAC6 Boot Block
Flash
No
iDRAC boot loader and configuration (i.e., MAC address),
Lifecycle log
nd system event log
Trusted Platform
Module
yes
Storage of encryption keys
Chipset
CMOS
No
BIOS settings