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Statement of Volatility - Dell OptiPlex 5040 Small Form Factor Owner's Manual

Summary

Statement of Volatility document for the Dell OptiPlex 5040 Small Form Factor desktop computer. Catalogs all volatile and non-volatile components on the system board including embedded flash memory, system BIOS (SPI1, 128Mbits), TPM module (Nuvoton NPCT650JA0YX), DDR3L DIMM memory connectors (4GB-16GB), SPD EEPROMs, RTC CMOS battery-backed memory, and Intel ME firmware. Specifies user remedial actions required to clear sensitive data from each component. Targeted at IT security professionals and system disposal personnel handling data sanitization.

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Statement of Volatility Dell Opti Plex 5040 Small Form Factor 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 5040 Small Form Factor 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 volatile and NV components are present on the Dell Opti Plex 5040 Small Form Factor motherboard:

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

User Remedial Action

Reference

Description Volatility Description Accessible for (action necessary

Designator

external data to lose data)

Embedded U118 2K of on-chip ROM and No N/A Flash memory in 256 bytes of on-chip embedded RAM controller SMSC SCH5553-NU

System BIOS SPI1 Non-volatile memory, No N/A

128Mbits(16MB), System BIOS and Video BIOS for basic boot operation, e PSA (on board diagnostics.)

TPM Nuvoton UF1 24K bytes non-volatile No N/A

memory located in the

NPCT650JA0YX

TPM module.

System Memory Connectors: Volatile memory in OFF Yes Power off system. – DDR3L DIMM DIMM1, state (see state

DIMM2, definitions later in text)

memory

DIMM3, One to four modules will DIMM4 be populated. System

memory size will depend on DIMM modules and will be between 4GB to 16GB.

October 2015

Page Summary Contents For Statement of Volatility - Dell OptiPlex 5040 Small Form Factor Owner's Manual

Page 1 Statement of Volatility Dell Opti Plex 5040 Small Form Factor CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. The Dell Opti Ple...
Page 2 User Remedial Action Reference Description Volatility Description Accessible for (action necessary Designator external data to lose data) System memory On memory Non-volatile EEPROM No N/A SPD EEPROM ...
Page 3 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 r...

Manual Details

Brand Dell
Pages 3
File Size 41.51 KB
Published June 26, 2026
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Frequently Asked Questions

What components lose data immediately when power is removed?

Volatile components like System memory (DDR3L), Video memory, and all components on the motherboard will lose data upon primary power loss.

How can I prevent losing system settings or time-of-day information?

The RTC CMOS BATTERY retains configuration data. However, for complete data preservation, keep the main unit powered with a connection, as removing the battery causes secondary power loss.

What is the dedicated storage type for system BIOS and basic boot operation?

These functions rely on non-volatile memory components, specifically the System BIOS SPI chip, which retains data even after power removal.

Is my hard drive considered volatile or non-volatile memory?

The hard drive is a non-volatile component, meaning it retains data regardless of whether primary power is connected.