Dell Latitude E6540 (Late 2013) - Manual (Page 2)

Description
Reference
Designator
Volatility Description
User
Accessible
for external
data
Remedial Action (Action
necessary to prevent loss of
data)
RTC
CMOS –
BBRAM
(battery
backed up)
UH1 Non Volatile memory,
64 Bytes.
Stores CMOS information.
No N/A
Video
memory –
frame
buffer
For UMA
platform:
Using
system
memory
For E6540
DSC
platform:
UV3, UV4,
UV5, UV6,
UV7, UV8,
UV9, UV10,
For E6440
DSC
platform:
UV3, UV4,
UV5, UV6,
Volatile memory in off state.
2 GB GDDR5 for discrete
graphics systems.
No N/A
Intel ME
Firmware
U52 Non Volatile memory, 32 Mbit
(4 MB), Intel ME firmware for
system configuration, security
and protection
No N/A
Hard
drive(s) User
replaceable -
one or two.
Non Volatile magnetic media,
various sizes in GB. May also
be SSD (solid state flash
drive).
Yes Low level format
CD-
ROM/RW/
DVD/
DVD+RW/
Diskette
Drives User
replaceable
Non Volatile optical media. Yes Low level format/erase
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.
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© 2013 Dell Inc.
Trademarks used in this text: Dell™, the DELL logo, Latitude™ are trademarks of Dell Inc. SMSC is trademark of Standard Microsystems Corp.