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Istruzioni per l'uso Dell, Modello Latitude 3340

Produttore : Dell
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Lingua di insegnamento: en
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Facilità d'uso




User
Remedial Action
Reference
Description
Volatility Description
Accessible for
(action necessary
Designator
external data
to lose data)
correct operation of system
memory.
RTC CMOS
CPU1
Non Volatile memory 256
No NA
bytes
Stores CMOS information in
PCH
Video memory –
UMA
Volatile memory in off state.
No Power
off
frame buffer
architecture-
UMA uses main system
uses system
memory size allocated out
DDR3L.
of main memory.
Hard drive(s)
User
Non Volatile magnetic
Yes
Low level format
replaceable
media, various sizes in GB.
May also be SSD (solid state
flash drive)
mSATA User mSATA module would share Yes
Low level format
replaceable
with Hard drive (or SSD)
location with an interposer
board.


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.
Linux, Win 2K and Win XP support 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.
Win 2K and Win XP 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


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