Dell Latitude E6540 Statement of Volatility - Page 1

Dell Latitude E6540 Manual

Page 1 highlights

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

  • 1
  • 2

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