Dell Precision T1700 Bedienungsanleitung

June 2013

Statement of Volatility – Dell Precision T1700

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

problem.

The Dell Precision T1700 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. The following NV components are present on the Dell Precision T1700’s

system board.

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.

Description Reference

Designator Volatility Description User Accessible

for external data

Remedial Action

(action necessary to

lose data)

Hard drive

User

replaceable

Non-volatile magnetic media,

various sizes in GB.

Yes

Low level format.

CD-ROM/RW/

DVD/

DVD+RW/

Diskette Drives

User

replaceable

Non-volatile optical/magnetic

media.

Yes

Low level

format/erase.

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

power loss (Unplug the power cord and remove the battery) will destroy all user data on the memory (DDR3, 1600MHz).

Secondary power loss (removing the on board coin-cell battery) will destroy system data on the system configuration and

time-of-day information.

In addition, to clarify memory volatility and data retention in situations where the system is put in different ACPI power states the

following is provided (those ACPI power states are S0, S1, S3, S4 and S5):

S0 state is the working state where the dynamic RAM is maintained and is read/write by the processor.

S1 state is a low wake-up latency sleeping state. In this state, no system context is lost (CPU or chip set) and hardware

maintains all system contexts.

S3 is called “suspend to RAM” state or stand-by mode. In this state the dynamic RAM is maintained. Dell systems will be

able to go to S3 if the OS and the peripherals used in the system supports S3 state. Linux and Windows support S3 state.

S4 is called “suspend to disk” state or “hibernate” mode. There is no power. In this state, the dynamic RAM is not

maintained. If the system has been commanded to enter S4, the OS will write the system context to a non-volatile storage

file and leave appropriate context markers. When the system is coming back to the working state, a restore file from the non-

volatile storage can occur. The restore file has to be valid. Dell systems will be able to go to S4 if the OS and the peripherals

support S4 state. Windows support S4 state.

S5 is the “soft” off state. There is no power. The OS does not save any context to wake up the system. No data will remain in

any component on the system board, i.e. cache or memory. The system will require a complete boot when awakened. Since

S5 is the shut off state, coming out of S5 requires power on which clears all registers.

The following table shows all the states supported by Dell Precision T1700:

Model Number S0 S1 S3 S4 S5

Dell Precision

T1700

______________

Trademarks used in this text: Dell™, the DELL logo, Dell Precision™ are trademarks of Dell Inc. Intel®, Pentium®, Xeon®, Core™ and Celeron® are

registered trademarks of Intel Corporation in the U.S. and other countries. Microsoft®, Windows® are either trademarks or registered trademarks of

Microsoft Corporation in the United States and/or other countries.

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