Dell OptiPlex 3280 All-In-One Statement of Volatility User Manual

Statement of Volatility - Dell Opti Plex 3280 All-In One CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

The Dell Opti Plex 3280 All-In-One contains both volatile and non-volatile components. Volatile components lose their data immediately after power is removed from the component. Non-volatile components continue to retain their data even after power is removed from the component. The following Non-volatile components are present on the Opti Plex 3280 All-In-One system board.

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

Remedial Action

Description Reference Volatility Description User Accessible (Action necessary to

Designator for external data

prevent loss of data)

System U21 Non-Volatile memory, 256 Mbit (32 No NA BIOS MB), System BIOS and Video BIOS for

basic boot operation, PSA (on board diags),

System Two DIMM on Volatile memory in OFF state (see No Power off system Memory- board DDR4 state definitions later in text)

DDR4 memory:

memory One or two modules will be populated.

DIMM1/DIMM System memory size depends on

DIMM modules and will be between 4 GB to 32 GB

Hard-disk User No Low level format

Non-Volatile magnetic media, various

drive/Solid- replaceable

size in GB

state drive

CAUTION: All other components on the system board lose data if power is removed from the system. Primary power loss (unplugging the power cord and removing the battery) destroys all user data on the memory (DDR4, 2666 MHz). Secondary power loss (removing the on- board coin-cell battery) destroys 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 SO, S1, S3, S4, S5 and Modern Standby):

SO 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 chipset) and hardware maintains all the 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 operating system and the peripherals used in the system supports S3 state. Ubuntu 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 operating system 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 must be valid. Dell systems will be able to go to S4 if the operating system and the peripherals support S4 state. Windows 10/8.1/7 supports S4 state.

S5 is the soft off state. There is no power. The operating does not save any context to wake up the system. No data will remain in any component on the system board, that is, 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.

May 2020 Internal Use - Confidential