Dell Latitude E5550/5550 (Late 2014) User Manual

Dell Notebooks

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Dell - Internal Use - Confidential

Statement of Volatility – Dell Latitude E5550/5550

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.

The Dell E5550/5550 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 E5550/5550 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)

Embedde
d Flash in
embedde
d
controller
MEC5085

UE2

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

UC2, UC3

Non Volatile memory, 64
Mbit (8MB) and 32 Mbit
(4MB) for vPro and 64Mbit
(8MB) only for non-vPro,
System BIOS and Video
BIOS for basic boot
operation, PSA (on board
diags), PXE diags.

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
32 GB.

Yes

Power off system

System
memory
SPD
EEPROM

On System
memory
SODIMM(s)
– 1-2

Non Volatile memory 512
Bytes.

Stores memory
manufacturer data and

No

N/A

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