Dell PowerEdge T20 Manuel d'utilisateur télécharger pdf

2013 - 07

Statement of Volatility

–

Dell PowerEdge

T20

CAUTION:

CAUTION indicates either potential damage

hardware

loss

data and tells you how

avoid

the

problem.

The Dell PowerEdge T20 contains

both volatile and

non-volatile

(NV)

components. Volatile components

lose their

data

immediately

after power is

removed

from the

component. Non-volatile

(NV)

components continue

to retain their data

even

after power is

removed

from the

component.

Components chosen as user-definable configuration options (those not

soldered to the motherboard) are not included in the Statement of Volatility. Configuration option information (pertinent to options

such as microprocessors, remote access controllers, and storage controllers) is available by component separately.

The

following

components

are present on the Dell PowerEdge T20 server

Table 1. List of Non-Volatile Components on System Board

Description

Reference

Designator

Volatility Description

User Accessible

for external data

Remedial Action

(action necessary

to lose data)

Embedded

Flash memory

in embedded

controller

SMSC5555

UO1

96K bytes non-volatile

memory.

2K bytes non-volatile memory for

keyboard controller.

N/A

System BIOS

SPI_1, SPI_3

Non-volatile memory, 64M

bits (8MB), 32Mbits (4MB)

System BIOS and Video

BIOS for basic boot operation,

PSA (on board diags.)

N/A

TPM

UF2

4K bytes non-volatile memory

located in the TPM module.

N/A

System

Memory –

DDR3 DIMM

memory

Connectors :

DIMM1,

DIMM2,

DIMM3,

DIMM4

Volatile memory in OFF state

(see state definitions later in

text)

One to four modules will be

populated. System memory

size will depend on DIMM

modules and will be between

1GB to 8GB.

Yes

Power off system.

System

memory SPD

EEPROM

On memory

DIMM(s) –

one, two,

three, or four

present

Non-volatile EEPROM

memory. 2K bits (256 bytes).

One Device present on each

DIMM.

Stores memory manufacturer

data and timing information

for correct operation of

system memory.

N/A

RTC CMOS

BATTERY

Volatile battery back-backed

CMOS memory 256 bytes.

Stores CMOS information.

Removing the on

board Coin

Cell battery.

Video memory

UMA

architecture-

uses system

DDR3.

Volatile memory in off state.

UMA uses main system

memory size allocated out of

main memory.

Enter S3-S5

state below.

1 2

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Page 1 - Dell PowerEdge

2013 - 07 Statement of Volatility – Dell PowerEdge T20 CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells y

Page 2

CAUTION: All other components on the motherboard will lose data once power is removed from the system. Primary power loss (Unplug the power cord

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