Dell Precision T5600 (Mid 2012) Manuel d'utilisateur télécharger pdf

Dell Inc.

One Dell Way

Round Rock, Texas 78682

www.dell.com

November 23, 2011

Subject: Statement of Volatility – Dell Precision Workstation T5600

Gentlemen:

The Dell Precision Workstation T5600 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.

The following memory components are present in the T5600:

BIOS Configuration

The BIOS information is stored in two flash ICs, one 8 MByte and one 4 MByte.

These devices are identified as U_BIOS1 and U_BIOS2 on the motherboard. These

parts contain the boot code and data necessary to take the hardware from a power-

off or low-power state to a state where it is ready to be managed by the operating

system. No information pertaining to user applications or data is stored in these

devices, however, they do store administrator and/or hard drive encryption

passwords if those features are enabled by the user.

Embedded Controller

The Embedded Controller contains 256 kByte of non-volatile storage space and is

identified as U_EC1 on the motherboard. The EC contains the software necessary to

manage low-level control functions on the motherboard such as thermal control.

No information pertaining to user applications or data is stored in the U_EC1 device.

The embedded controller also contains 8.25 kBytes of volatile memory space. The

contents of this memory space are lost when power is removed from the system.

PCH CMOS

The PCH, identified as U_PCH, contains a 256 Byte battery-backed memory. This

memory contains custom configuration data required by the BIOS to boot the

system. It does not store passwords or other user level data. The contents of this

space are lost, after several minutes, if the coin-cell battery is removed from the

motherboard.

TPM 1.2 (Trusted Platform Module) Security Device

This device (identified as U_TPM) stores TPM configuration data used by the

hardware and the security software offered by Dell. Encrypted user keys generated

by the TPM device for use by the security software are stored in this NVM.

All other components on the motherboard will lose data once power is removed from the

system. Primary power loss (unplug the power cord) will destroy all user data in the main

system memory (DDR3 DIMMs) and the on-board graphics and storage interface devices.

However, the user should note that under some circumstances (for example, cold

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Dell Inc. One Dell Way Round Rock, Texas 78682 www.dell.com November 23, 2011 Subject: Statement of Volatility – Dell Precision Workstatio

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temperatures) the DDR3 DIMMs may retain their data for a significant amount of time – up to several minutes. That may potentially allow the DIMMs to

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The Precision workstation T5600 supports all of the above states. Please direct any questions to the undersigned Very truly yours; Dell Marke

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