Dell OptiPlex 3020M OptiPlex 3020M Statement of Volatility
Dell OptiPlex 3020M Manual
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- Dell OptiPlex 3020M | OptiPlex 3020M Statement of Volatility - Page 1
and NV components are present on the Dell OptiPlex 3020M motherboard: List below contains volatile and non-volatile memory ICs used in Dell OptiPlex 3020M. Description Embedded Flash memory in embedded controller SMSC SCH5553 System BIOS Reference Designator U19 U14 Volatility Description 96 - Dell OptiPlex 3020M | OptiPlex 3020M 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 3020M. Model Number Dell OptiPlex 3020M S0 S1 S3
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May 2014
Statement of Volatility – Dell OptiPlex 3020M
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
The Dell OptiPlex 3020M 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 3020M motherboard:
List below contains volatile and non-volatile memory ICs used in Dell OptiPlex 3020M.
Description
Reference
Designator
Volatility Description
User
Accessible for
external data
Remedial Action
(action necessary
to lose data)
Embedded
Flash
memory in
embedded
controller
SMSC
SCH5553
U19
96 K bytes non-volatile memory.
2 K bytes non-volatile memory for
keyboard controller.
No
N/A
System BIOS
U14
Non Volatile memory, 64 Mbit (8
MB), System BIOS and Video BIOS
for basic boot operation, PSA (on-
board diags), PXE diags.
No
N/A
TPM
U23
4 K bytes non-volatile memory located
in the TPM module.
No
N/A
System
Memory –
DDR3 DIMM
memory
Connectors:
DIMM1,
DIMM2
Volatile memory in OFF state (see state
definitions later in text)
One to Two modules must be
populated.
System memory size
will depend on DIMM modules and
must be between 2 GB and 16 GB.
Yes
Power off system.
System
memory SPD
EEPROM
On memory
DIMM(s) –
one, two,
present
Non-volatile EEPROM memory. 2 K bits
(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.
Video
memory –
type – see
next column
UMA
architecture-
uses system
DDR3.
Volatile memory in off state.
UMA uses main system memory size
allocated out of main memory.
No
Enter S3-S5 state
below.