Manualshelf

Setup Guide

ManualsBrandsDell Manuals3000 SeriesLatitude 5520
123
January 2021
Statement of Volatility – Dell Latitude 5520
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
The Dell Latitude 5520 contains both volatile and non-volatile components. Volatile components lose their data
immediately after power is removed from the component. Non-volatile components continue to retain their
data even after power is removed from the component. The following Non-volatile components are present on
the Latitude 5520 system board.
Table 1. List of Non-Volatile Components on System Board- For 10
th
Generation processors
Description
Reference
Designator
Volatility Description
User Accessible
for external data
Remedial Action
(Action necessary to
prevent loss of data)
SSD drive(s)
SSD1: M.2 2280
Non-Volatile magnetic media, various
sizes in GB. SSD (solid state flash drive).
No
Low level format
System
BIOS/EC
U2501 (32 MB)
Non-Volatile memory, Video BIOS for
basic boot operation, PSA (on board
diags),
PXE diags.
No
N/A
Thunderbolt
EEPROM
U7103
Non-Volatile memory, 8 Mbit (1 MB)
(Thunderbolt FW)
No
N/A
LCD Panel
EEDID
EEPROM
Part of panel assembly
Non-Volatile memory, Stores panel
manufacturing information, display
configuration data
No
N/A
System
Memory –
DDR4 memory
Two DIMM on board
DDR4 memory:
DM1/DM2
Volatile memory in OFF state (see state
definitions later in text)
Yes
Power off system
RTC CMOS
CPU1 (PCH)
Non-Volatile memory 256 bytes
Stores CMOS information
No
N/A
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
Combine on BIOS ROM
Non-Volatile memory, Intel ME firmware
for system configuration, security and
protection
No
N/A
Security
Controller
Serial Flash
Memory
Combine on BIOS ROM
Non-Volatile memory
No
N/A
TPM
Controller
U9101
Non-Volatile memory, 192K bits (24K
bytes) ROM
No
N/A
ISH
Combine on BIOS
ROM
No
N/A
Touch screen
Embedded
Flash
N/A
Non-Volatile memory
No
N/A
Digital IMVP9
controller
PU4601
Non-Volatile memory, 232 bits
Digital IMVP8 controller
No N/A

Summary of content (3 pages)