Dell OptiPlex 3011 AIO Manual de usuario
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Statement of Volatility – Dell OptiPlex 3011AIO
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
The Dell OptiPlex 3011 AIO contains both volatile and non-volatile (NV) components. Volatile components lose their data
immediately after power is removed from the component. Non-volatile (NV) components continue to retain their data even
after power is removed from the component. The following NV components are present on the Dell OptiPlex 3011 AIO’s
system board.
Table 1. List of Non-Volatile Components on System Board
Description Reference
Designator Volatility Description
User
Accessible for
external data
Remedial Action
(action necessary
to lose data)
Embedded
Flash memory
in embedded
controller
SMSC
SCH5555
U20
Non Volatile:8042 Controller: 2k
Bytes of Program ROM
MCU ROM: 96K Bytes of Program
ROM
Volatile: 8042 Controller:
256k Bytes of Data RAM
MCU ROM: 8k Bytes of Data RAM
No
N/A
System BIOS
U18+U22
Non Volatile memory,
64Mbit+32Mbit (8MB+4MB),
System BIOS and Video BIOS for
basic boot operation, PSA (on board
diags.)
No
N/A
Ethernet
Controller
Embedded
Efuse
REALTEK
RTL8151GD
U25
256 bytes in non-volatile memory,
which stores driver information and
the system MAC address
No
N/A
System
Memory –
DDR3 DIMM
memory
Connectors :
DIMM1, DIMM2
Volatile memory in OFF state (see
state definitions later in text)
One or two modules will be
populated. System memory size
will depend on DIMM modules and
will be between 2GB to 4GB.
No
Power off system
System
memory SPD
EEPROM
On memory
DIMM(s) – one,
two, three, or four
present
Non-Volatile EEPROM memory.
2Kbit (256 bytes) One Device
present on each DIMM.
Stores memory manufacturer data
and timing information for correct
operation of system memory.
No
N/A
Description Reference
Designator Volatility Description
User
Accessible for
external data
Remedial Action
(action necessary
to lose data)
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.
GPU
architecture-
gDDR3.
Volatile memory in off state.
GPU uses only. Four modules will
be populated. System memory size
is 1 GB.
No
Enter S3-S5 state
below.
Hard drive
User replaceable
Non Volatile magnetic media,
various sizes in GB
Yes
Low level format
CD-ROM/RW/
DVD/
DVD+RW/
Diskette Drives
User replaceable
Non Volatile optical/magnetic
media
Yes
Low level format /
erase
CAUTION: All other components on the system board lose data if power is removed from the system.
Primary power loss (unplugging the power cord and removing the battery) destroys all user data on the
memory (DDR3, 1067 MHz). Secondary power loss (removing the on-board coin-cell battery) destroys
system data on the system configuration and time-of-day information.
In addition, to clarify memory volatility and data retention in situations where the system is put in different ACPI power states the
following is provided (those ACPI power states are S0, S1, S3, S4 and S5):
S0 state is the working state where the dynamic RAM is maintained and is read/write by the processor.
S1 state is a low wake-up latency sleeping state. In this state, no system context is lost (CPU or chip set) and hardware
maintains all system contexts.
S3 is called “suspend to RAM” state or stand-by mode. In this state the dynamic RAM is maintained. Dell systems will be
able to go to S3 if the OS and the peripherals used in the system supports S3 state.
S4 is called “suspend to disk” state or “hibernate” mode. There is no power. In this state, the dynamic RAM is not
maintained. If the system has been commanded to enter S4, the OS will write the system context to a non-volatile storage
file and leave appropriate context markers. When the system is coming back to the working state, a restore file from the non-
volatile storage can occur. The restore file has to be valid. Dell systems will be able to go to S4 if the OS and the peripherals
support S4 state.
S5 is the “soft” off state. There is no power. The OS does not save any context to wake up the system. No data will remain in
any component on the system 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 3011 AIO:
Model Number S0 S1 S3 S4 S5
Dell OptiPlex
3011
X
X
X
X
______________
© 2012 Dell Inc.
Trademarks used in this text: Dell™, the DELL logo, OptiPlex™ are trademarks of Dell Inc. Intel®, Pentium®, Xeon®, Core™ and Celeron® are
registered trademarks of Intel Corporation in the U.S. and other countries. Microsoft®, Windows® are either trademarks or registered trademarks of
Microsoft Corporation in the United States and/or other countries.
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