White Papers

August 2019
Internal Use - Confidential
Statement of Volatility – Dell Wyse 5470 Thin Client
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
The Dell Wyse 5470 Thin Client 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 Wyse 5470 Thin Client 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:
EMC1418
U2401 64K byte of embedded boot
ROM for embedded
controller boot code which
loads an executable code
image into SRAM.
No N/A
Panel
EEDID
EEPROM
Part of panel
assembly
Non- volatile memory, 512
bytes.
No
Part of panel assembly
System
BIOS ME
Firmware
BIOS1, U2503
Non- volatile memory,
128Mbit (16 MB), System
BIOS and Video BIOS for
basic boot operation, PSA
(on board diags), Intel ME
firmware for system
configure, security and
protection, and ISH
firmware.512KB for EC code.
No N/A
CAC card
ROM
U302 Non- volatile memory, 4 MB No
N/A
System
Memory –
DDR4
memory
DM1、DM2
Volatile memory in Off state
(see state definitions later in
text)
Four packages memories
must be populated. System
memory size will depend on
the size of each piece
memory and must be
between 4 GB and 16 GB.
Yes Power off system
USB- Type C
PD
U7201 Non- volatile memory for USB
Type- C PD F/W
No N/A
RTC CMOS
RTC1
Non-volatile memory 256 bytes
stores CMOS information
No N/A