Dell OptiPlex 9020 Statement of Volatility

Statement of Volatility – Dell Opti Plex 9020 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 9020 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 9020 motherboard:

Remedial Action

Reference User Accessible

Description Volatility Description (action necessary to

Designator for external data

lose data)

Embedded UO1 96K bytes non-volatile No N/A Flash memory.

memory in 2K bytes non-volatile memory

embedded for keyboard controller. controller SMSC5555 System SPI_1, SPI_3 Non-volatile memory, 64M bits No N/A BIOS (8MB), 32Mbits (4MB) System

BIOS and Video BIOS for basic boot operation, PSA (on board diagnostics.)

TPM UF2 4K bytes non-volatile memory No N/A

located in the TPM module.

System Connectors : Volatile memory in OFF state Yes Power off system. Memory – DIMM1, DIMM2, (see state definitions later in DDR3 DIMM DIMM3, DIMM4 text) memory One to four modules will be

populated. System memory size will depend on DIMM modules and will be between 1GB to 8GB.

System On memory Non-volatile EEPROM No N/A memory DIMM(s) – one, memory. 2K bits (256 bytes). SPD two, three, or One Device present on each

EEPROM four present DIMM. Stores memory manufacturer data and timing information for correct operation of system memory.