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Ordinateurs portables - Latitude E6540 (6.11 mb)
Ordinateurs portables - Latitude E6540 (6.12 mb)
Ordinateurs portables - Latitude E6540 (6.24 mb)
Facilité d'utilisation
Statement of Volatility – Dell Latitude E6540
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
The Dell Latitude E6540 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 Latitude E6540
system board.
Table 1. List of Non-Volatile Components on System Board
User
Remedial Action (Action
Reference
Accessible
Description
Volatility Description
necessary to prevent loss of
Designator
for external
data)
data
Embedded
U51
288 KB of embedded Flash
No
N/A
Flash in
memory for keyboard
embedded
controller BIOS code, asset tag
controller
and BIOS passwords
MEC5075
Panel
Part of panel Non Volatile memory, 512
No
Part of panel assembly
EEDID
assembly
bytes.
EEPROM
System
U53
Non Volatile memory, 32 Mbit No
N/A
BIOS
(4 MB), System BIOS and
Video BIOS for basic boot
operation, PSA (on board
diagnostics), PXE diagnostics.
Video
Embedded in Non Volatile memory, 512
No
N/A
BIOS
system BIOS kbit (64 KB), Graphics system
BIOS.
System
Two
Volatile memory in OFF state
Yes
Power off system
Memory –
SODIMM
NOTE: See state definitions later
DDR3L
connectors:
memory
in text.
JDIMM1,2
One to two modules must be
populated. System memory
size will depend on SODIMM
modules and must be between
2 GB and 8 GB.
System
On System
Non Volatile memory 512
No
N/A
memory
memory
Bytes.
SPD
SODIMM(s) Stores memory manufacturer
EEPROM
– 1-2 present data and timing information
for correct operation of system
memory.
June 2013
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