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CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
Description
Reference
Designator
Volatility Description
User
Accessible
for external
data
Remedial Action (Action
necessary to prevent loss of
data)
Embedded
Flash in
embedded
controller
MEC5055
U54
192 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
U52 (8M)
U53 (4M)
Non Volatile memory, 32 Mbit
(4 MB) and 64 Mbit (8 MB),
System BIOS and Video BIOS
for basic boot operation, PSA
(on board diags), PXE diags.
No
N/A
Video
BIOS
On GFx
cards
(nVidia
N14x and
AMD):
Non Volatile memory, 512
kbit (64 KB), Graphics system
BIOS.
No
N/A
System
Memory –
DDR3
memory
Four
SODIMM
connectors:
JDIM1,2,3,4
Volatile memory in OFF state
NOTE: See state definitions later in
text.
Two to four modules must be
populated. System memory
size will depend on SODIMM
modules and must be between
2 GB and 16 GB.
Yes
Power off system
System
memory
SPD
EEPROM
On System
memory
SODIMM(s)
– 2-4 present
Non Volatile memory 512
Bytes.
Stores memory manufacturer
data and timing information
for correct operation of system
memory.
No
N/A
Statement of Volatility – Dell Precision M4700/M6700
The Dell Precision M4700/M6700 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 Precision
M4700/M6700 system board.
Table 1. List of Non-Volatile Components on System Board
Month yyyy
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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)
UH4 Non Volatile memory, 64
Bytes.
Stores CMOS information.
No
N/A
Video
memory –
frame
buffer
On GFx
cards
(nVidia
N14x and
AMD):
Volatile memory in off state.
2/2/4 GB GDDR5 for nVidia
N14EQ1/EQ3/EQ5 discrete
graphics systems.
2/2 GB DDR3 for nVidia
N14PQ1/PQ3 discrete
graphics systems.
2 GB GDDR5 for AMD
Heathrow discrete graphics
systems.
1 GB GDDR5 for AMD
Chelsea discrete graphics
systems.
No
N/A
LOM
Serial
Flash
Memory
UH4
Non Volatile memory, built in
PCH, for MAC address, LED
mode, WOL settings, PXE
settings.
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
CDROM/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.
______________
© 2012 Dell Inc.
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Trademarks used in this text: Dell™, the DELL logo, Dell Precision™, OptiPlex™, Latitude™, PowerEdge™, PowerVault™, PowerConnect™,
OpenManage™, EqualLogic™, KACE™, FlexAddress™ and Vostro™ are trademarks of Dell Inc. Intel®, Pentium®, Xeon®, Core™ and Celeron® are
registered trademarks of Intel Corporation in the U.S. and other countries. AMD® is a registered trademark and AMD Opteron™, AMD Phenom™, and
AMD Sempron™ are trademarks of Advanced Micro Devices, Inc. Microsoft®, Windows®, Windows Server®, MS-DOS® and Windows Vista® are
either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Red Hat Enterprise Linux® and
Enterprise Linux® are registered trademarks of Red Hat, Inc. in the United States and/or other countries. Novell® is a registered trademark and SUSE ™
is a trademark of Novell Inc. in the United States and other countries. Oracle® is a registered trademark of Oracle Corporation and/or its affiliates. Citrix®,
Xen®, XenServer® and XenMotion® are either registered trademarks or trademarks of Citrix Systems, Inc. in the United States and/or other countries.
VMware®, Virtual SMP®, vMotion®, vCenter®, and vSphere® are registered trademarks or trademarks of VMWare, Inc. in the United States or other
countries.
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