Dell OptiPlex 9020M OptiPlex 9020M Statement of Volatility

Dell OptiPlex 9020M Manual

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  • Dell OptiPlex 9020M | OptiPlex 9020M Statement of Volatility - Page 1
    motherboard: List below contains volatile and non-volatile memory ICs used in Dell OptiPlex 9020M. Description Reference Designator Embedded Flash memory in embedded controller SMSC SCH5555VNU System BIOS U6 SPI_1, SPI_2 Volatility Description 2 K of on-chip ROM and 256 bytes of on-chip RAM
  • Dell OptiPlex 9020M | OptiPlex 9020M Statement of Volatility - Page 2
    board, i.e. 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. The following table shows all the states supported by Dell OptiPlex 9020M. Model Number Dell OptiPlex 9020M S0 S1 S3
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May 2014
Statement of Volatility – Dell
OptiPlex 9020M
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
The Dell OptiPlex 9020M 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 9020M motherboard:
List below contains volatile and non-volatile memory ICs used in Dell
OptiPlex 9020M
.
Description
Reference
Designator
Volatility Description
User
Accessible
for external
data
Remedial Action
(action necessary to
lose data)
Embedded
Flash
memory in
embedded
controller
SMSC
SCH5555V-
NU
U6
2 K of on-chip ROM and 256 bytes
of on-chip RAM
No
N/A
System BIOS
SPI_1, SPI_2
Non-volatile memory, 64 Mbits (8
MB),32 Mbits (4 MB) System BIOS
and Video BIOS for basic boot
operation, PSA (on board diags.)
No
N/A
TPM
UF2
4 K bytes non-volatile memory
located in the TPM module.
No
N/A
System
Memory –
DDR3/DDR3L
DIMM
memory
Connectors:
DIMM1, DIMM2
Volatile memory in OFF state (see
state definitions later in text)
One to two modules will be
populated.
System memory size
will depend on DIMM modules
and will be between 4 GB to 8 GB.
Yes
Power off system.
System
memory
SPD
EEPROM
On memory
DIMM(s) – one,
two present
Non-volatile EEPROM memory. 2
Kbits (256 bytes).One Device
present on each DIMM.
Stores memory-manufacturer data
and timing information for correct
operation of system memory.
No
N/A
RTC CMOS
Battery
Volatile battery back-backed
CMOS memory 256 bytes. Stores
CMOS information.
No
Removing the on
board coin-cell
battery.