Administrator Guide

Dell - Internal Use - Confidential
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Statement of Volatility – Dell Precision 3550
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
The Dell Precision 3550 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 Precision 3550
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)
SSD drive(s)
M.2 - 2280
Non Volatile magnetic media, various
sizes in GB. SSD (solid state flash
drive).
No Low level format
System
BIOS/EC
UC6(32MB)
-Vpro
UC6(16MB)
+UC5(8MB)
-Non Vpro
Non Volatile memory, Video BIOS for basic
boot operation, PSA (on board diags), PXE
diags.
No
NA
Thunderbolt
EEPROM
UT2
Non Volatile memory, 8Mbit (1MB)
(Thunderbolt FW)
No
NA
USB-Type C
PD
UT6
Non Volatile memory , 8Mbit (1MB)
for USB type-C PD F/W
No
NA
LCD Panel
EEDID
EEPROM
Part of panel
assembly
Non Volatile memory, Stores panel
manufacturing information, display
configuration data
No
NA
System
Memory –
DDR4
memory
Two DIMM
on board
DDR4
memory:
JDIMM1/JD
IMM2
Volatile memory in OFF state (see state
definitions later in text)
Yes
Power off system
RTC CMOS
UC1 (PCH)
Non Volatile memory 256 bytes
Stores CMOS information
No NA
Video
memory –
frame buffer
For UMA
platform:
Using
system
memory
Volatile memory in off state.
UMA uses main system memory size
allocated out of main memory.
No
Power off system
Intel ME
Firmware
Conbine on
BIOS ROM
Non Volatile memory, Intel ME firmware
for system configuration, security and
protection
No N/A