Dell OptiPlex 9020 Manuel
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Statement of Volatility – Dell OptiPlex 9020
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
The Dell OptiPlex 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 OptiPlex 9020 motherboard:
Reference
Description
Designator
Embedded
UO1
Flash
memory in
embedded
controller
SMSC5555
System
SPI_1, SPI_3
BIOS
TPM
UF2
System
Connectors :
Memory –
DIMM1, DIMM2,
DDR3 DIMM
DIMM3, DIMM4
memory
System
On memory
memory
DIMM(s) – one,
SPD
two, three, or
EEPROM
four present
Volatility Description
96K bytes non-volatile
memory.
2K bytes non-volatile memory
for keyboard controller.
Non-volatile memory, 64M bits
(8MB), 32Mbits (4MB) System
BIOS and Video BIOS for
basic boot operation, PSA (on
board diagnostics.)
4K bytes non-volatile memory
located in the TPM module.
Volatile memory in OFF state
(see state definitions later in
text)
One to four modules will be
populated. System memory
size will depend on DIMM
modules and will be between
1GB to 8GB.
Non-volatile EEPROM
memory. 2K bits (256 bytes).
One Device present on each
DIMM.
Stores memory manufacturer
data and timing information for
correct operation of system
memory.
Remedial Action
User Accessible
(action necessary to
for external data
lose data)
No
N/A
No
N/A
No
N/A
Yes
Power off system.
No
N/A
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