Dell Optiplex_7070_SFF Owner's Manual
Summary
Statement of Volatility for Dell OptiPlex 7070 Small Form Factor. This technical document details the volatile and non-volatile components present on the system motherboard, including BIOS, TPM, memory, and embedded controllers. Target users: security professionals, auditors, and IT administrators requiring hardware security and data retention information.
Page 1 Text Content
Dell Inc. Telephone: 512.338.4400 One Dell Way Telefax: 512.728.3653 Round Rock, TX78682
Date: Apr 3 , 2018 Subject: Statement of Volatility –DELL Opti Plex 7070 Small Form Factor To whom it may concern:
The Dell Opti Plex 7070 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 7070 Small Form Factor motherboard:
Remedial Action
Reference User Accessible
Description Volatility Description (action necessary to
Designator for external data
lose data)
Embedded Flash U118 2K bytes of on-chip ROM No N/A memory in and 256 bytes of on-chip embedded RAM controller SMSC SCH5555-NU System BIOS SPI1 Non-volatile memory, No N/A
256Mbits(32MB), System BIOS and Video BIOS for basic boot operation, e PSA (on board diagnostics.)
TPM Nuvoton TPM 16K bytes non-volatile No N/A NPCT750JAAYX memory located in the TPM
module.
Type-C CCG4_4125 EZ-PD CCG4 uses No N/A Controller- CCG4 Cypress’s proprietary M0S8 PD technology
with a 32-bit, 48-MHz ARM® Cortex®-M0 processor with 128 KB flash
System Memory Connectons : Volatile memory in OFF Yes Power off system. – DDR4 DIMM DIMM1, DIMM2, state (see state definitions memory DIMM3, DIMM4 later in text)
One to four modules will be populated. System memory size will depend on DIMM modules and will be between 4GB to 64GB.
System memory On memory Non-volatile EEPROM No N/A SPD EEPROM DIMM(s) memory. (256 bytes).One
Device present on each DIMM. Stores memory manufacturer data and timing information for correct operation of system memory.
DELL CONFIDENTIAL Page 1
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Page Summary Contents For Dell Optiplex_7070_SFF Owner's Manual
Manual Details
| Brand | Dell |
|---|---|
| Pages | 3 |
| File Size | 107.78 KB |
| Published | June 24, 2026 |
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Frequently Asked Questions
How is system data retained when power is removed?
Non-volatile (NV) components retain data after power loss, while volatile components lose it immediately.
What happens to the memory and data in 'hibernate' mode (S4)?
In S4 ('suspend to disk'), the OS writes system context to non-volatile storage. The dynamic RAM is not maintained.
Can I remove the battery without losing all system data?
Removing the on board coin cell battery (secondary power loss) will destroy system configuration and time-of-day information.
What constitutes a 'complete boot' when restoring from S5 state?
Since S5 is the shut off state, coming out of it requires power on, which clears all registers and demands a complete boot.