Dell Precision Tower 7810 Bedienungsanleitung PDF herunterladen

Statement of Volatility – Dell Precision Tower

5810/7810/7910

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the

problem.

The Dell Precision Tower 5810/7810/7910 contains both volatile and non-volatile (NV) components. Volatile

components lose their data immediately upon removal of power from the component. Non-volatile

components continue to retain their data even after the power has been removed from the component:

List below contains volatile and non-volatile memory ICs used in Dell Precision Tower 5810/7810/7910.

Description

Reference

Designator

Volatility Description

User

Accessible for

external data

Remedial Action

(action necessary

to lose data)

Embedded

Flash

memory in

embedded

controller

UO1 256 K bytes non-volatile memory

space.

8.25 K bytes volatile memory space

No N/A

System BIOS SPI_1

Non Volatile memory, 16 MByte,

System BIOS and Video BIOS for

basic boot operation, PSA (on-

board diags), PXE diags.

No N/A

TPM

UF1

Encrypted user keys generated by the

TPM device for use by the security

software are stored in this NVM.

N/A

System

Memory –

DDR4 DIMM

memory

Connectors:

DIMM1, DIMM2

Volatile memory in OFF state (see

state definitions later in text).

Yes

Power off system.

System

EEPROM

(only for

Precision

Tower 7910)

On memory

DIMM(s) –

one, two,

present

Non-volatile EEPROM memory. 32

Mbit device. One Device present on

each DIMM.

Stores memory-manufacturer data

and timing information for correct

operation of system memory.

N/A

PCH CMOS

US1H

Volatile battery back-backed CMOS

memory 256 bytes. Stores CMOS

information.

Removing the on

board coin-cell

battery.

Video

memory –

type

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.

May 2014

1 2

5810/7810/7910 1

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Statement of Volatility – Dell Precision Tower 5810/7810/7910 CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and t

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Description Reference Designator Volatility Description User Accessible for external data Remedial Action (action necessary to lose data) Hard drive

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