Dell

Table 34. Volatility: Data Writing and Purpose

 

 

Can user programs or

Purpose?

 

 

 

operating system write

 

 

 

 

data to it during normal

 

 

 

 

operation?

 

 

 

Planar

 

 

 

 

System BIOS

No

Not used

 

 

SPI Flash

 

 

 

 

 

 

 

 

 

 

 

LOM

 

 

 

 

Configuration

NO

iDRAC Internal RAM

 

 

Data

 

 

 

 

 

 

 

 

 

iDRAC6

No

System-Specific Hardware Logic

 

 

Controller ROM

 

 

 

 

 

 

 

 

 

 

 

iDRAC6

No

Not used

 

 

controller RAM

 

 

 

 

 

 

 

 

 

 

 

System CPLD

No for iDRAC Operating

iDRAC Operating System plus Managed System

 

 

(non-volatile)

System; Yes for Managed

Services Repository (i.e., Unified Server

 

 

 

System Services

Configurator, OS drivers, diagnostics, rollback

 

 

 

Repository

versions of various programmables)

 

 

 

 

 

 

 

System CPLD

Yes

System OS RAM

 

 

(volatile)

 

 

 

 

 

 

 

 

 

 

 

iDRAC6 Express

 

 

 

 

Internal Flash

No

Not used

 

 

 

 

 

 

 

 

 

 

System RAM

NO

iDRAC internal RAM

 

 

 

 

 

 

 

TPM ID

 

 

 

 

EEPROM (Plug

No

BIOS binding of plug in module to a particular

 

 

in module

planar.

 

 

 

 

 

only)

 

 

 

 

 

 

 

 

 

TPM Binding

 

 

 

 

EEPROM (China

No

BMC OS + VGA frame buffer

 

 

only)

 

 

 

 

 

 

 

 

 

iDRAC6 SDRAM

No

motherboard electronic product identifier

 

 

 

 

 

 

 

iDRAC6 FRU

 

iDRAC boot loader and configuration (i.e. MAC

 

 

 

No

address), Lifecycle log.

 

 

 

 

nd system event log.

 

 

 

 

 

 

 

iDRAC6 Boot

yes

Storage of encryption keys

 

 

Block Flash

 

 

 

 

 

 

 

Trusted

 

BIOS binding of plug-in module to a particular

 

 

Platform

No

 

 

planar

 

 

Module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68

PowerEdge R210 Technical Guide

 

 

Page 68
Image 68
Dell R210 manual Dell, Volatility Data Writing and Purpose