Dell Latitude E6540 Manual

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
Reference
Description
Designator
Embedded U51
Flash in
embedded
controller
MEC5075
Part of panel
Panel
assembly
EEDID
EEPROM
System U53
BIOS
Video Embedded in
BIOS system BIOS
Two
System
SODIMM
Memory –
connectors:
DDR3L
memory
JDIMM1,2
System On System
memory memory
SPD SODIMM(s)
EEPROM – 1-2 present
June 2013
Volatility Description
288 KB of embedded Flash
memory for keyboard
controller BIOS code, asset tag
and BIOS passwords
Non Volatile memory, 512
bytes.
Non Volatile memory, 32 Mbit
(4 MB), System BIOS and
Video BIOS for basic boot
operation, PSA (on board
diagnostics), PXE diagnostics.
Non Volatile memory, 512
kbit (64 KB), Graphics system
BIOS.
Volatile memory in OFF state
NOTE: See state definitions later
in text.
One to two modules must be
populated. System memory
size will depend on SODIMM
modules and must be between
2 GB and 8 GB.
Non Volatile memory 512
Bytes.
Stores memory manufacturer
data and timing information
for correct operation of system
memory.
User
Remedial Action (Action
Accessible
necessary to prevent loss of
for external
data)
data
No N/A
No Part of panel assembly
No N/A
N/A
No
Yes Power off system
No N/A