Dell Latitude E5540 (Late 2013) Quick Reference Guide
Month yyyy
Statement of Volatility
– Dell Latitude™ E5440/E5540
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
The Dell Latitude™ E5440/E5540 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™
E5440/E5540 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
U38
256K and 2K byte of
embedded Flash memory for
embedded controller BIOS
code, asset tag and BIOS
passwords
No
N/A
Panel
EEDID
EEPROM
Part of panel
assembly
Non Volatile memory 64K
bytes. Stores panel
manufacturing information,
display configuration data
No
N/A
System
BIOS
U1,U2
Non Volatile memory, 64Mbit
(8MB), 32Mbit (4MB) System
BIOS and Video BIOS for
basic boot operation, PSA (on
board diags), PXE diags.
No
N/A
System
Memory –
DDR3L
memory
Connectors
JDIMM1
and
JDIMM2
Volatile memory in OFF state
(see state definitions later in
text) One or both modules will
be populated. System memory
size will depend on SoDIMM
modules and will be between
1GB and 8GB
Yes
Power off system
System
memory
SPD
EEPROM
On memory
SoDIMM(s)
– one or two
present
Non-Volatile memory 2Kbit
(256 bytes). One device
present on each SoDIMM.
Stores memory manufacturer
data and timing information
for correct operation of system
memory.
No
N/A
RTC
CMOS –
BBRAM
(battery
backed up)
UC1
Non Volatile memory 256
bytes. Stores CMOS
information
No
Remove the on-board coin cell
battery
Video
memory –
frame
buffer
UMA
architecture-
uses system
DDR3L.
Discrete
graphics
Volatile memory in off state.
2GB DDR3L for Discrete
Graphics systems. UMA uses
main system memory size
allocated out of main memory.
No
Enter S3-S5 state described
below.
Also See for Dell Latitude E5540 (Late 2013)
Related Manuals for Dell Latitude E5540 (Late 2013)
-
Gateway Laptops NE56R Owner's Manual
117 pages
-
Gateway Laptops NV52 Owner's Manual
108 pages
-
Gateway Laptops NV53 Owner's Manual
108 pages
-
ASUS Laptops X54C Owner's Manual
110 pages
-
Dell Laptops Latitude E6410 ATG Owner's Manual
32 pages
-
Dell Laptops Latitude E6430 ATG Owner's Manual
87 pages
-
Acer Laptops Aspire ONE D255 Service Manual
272 pages
-
Dell Laptops Inspiron 15 3000 Series Specifications
22 pages
-
Dell Laptops Inspiron 17 5000 Series Owner's Manual
93 pages
-
Lenovo Laptops ThinkPad T440 User's Manual
183 pages
-
Lenovo Laptops Yoga 2 Pro User's Manual
37 pages
-
Lenovo Laptops Laptop User's Manual
52 pages
-
Lenovo Laptops THINKPAD T410 User's Manual
44 pages
-
Lenovo Laptops ThinkPad T400 User's Manual
14 pages
-
Lenovo Laptops ThinkPad T500 User's Manual
14 pages
-
Lenovo Laptops THINKPAD T510 User's Manual
214 pages
-
Lenovo Laptops THINKPAD X201 User's Manual
322 pages
-
Dell Laptops Laptop T07G User's Manual
61 pages
-
HP Laptops EliteBook Notebook 8470p User's Manual
173 pages
-
HP Laptops Envy 17 User's Manual
116 pages
-
Acer Laptops Aspire 5733 Owner's Manual
2348 pages
-
Acer Laptops Aspire E1-531 Owner's Manual
2484 pages
-
Acer Laptops Aspire V3-771G Owner's Manual
2484 pages
-
Acer Laptops Aspire V5-131 Owner's Manual
2228 pages