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ManualsBrandsDell Manuals3000 SeriesOptiPlex 7090 Ultra
12
January 2021
Statement of Volatility – Dell OptiPlex 7090 Ultra
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
The Dell OptiPlex 7090 Ultra 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 OptiPlex 7090
Ultra 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:
DEC1515
U2401
64K byte of embedded boot ROM for
embedded controller boot code which loads an
executable code image into SRAM.
NO
NA
System BIOS
ME Firmware
U2502
Non-Volatile memory, 256Mbits (32MBytes),
System BIOS and Video BIOS for basic boot
operation, PSA (on board biags), Intel ME
firmware for system configure, security and
protection and ISH firmware.1MB for EC code
NO
NA
System
Memory –
DDR4 memory
DIMM1
、
DIMM2
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 4GB
and 32 GB.
Yes
Power off system
USB-Type C
PD
U7204
Non-Volatile memory 256 Kbit for USB type-C
PD F/W
NO
NA
TBT 4
U7103
Non-Volatile memory 1MB for TBT burnside
bridge F/W
NO
NA
RTC CMOS
RTC1
Non-Volatile memory 256 bytes Stores CMOS
information
NO
Removing the Coin Cell
battery cable on board.
Video memory
– frame buffer
NA
Volatile memory in off state.
UMA uses main system memory size allocated
out of main memory.
NO
Power off system
LOM Serial
Flash Memory
U9701
Non-Volatile memory, EFUSE mode WOL
settings, PXE settings.
No
N/A
SSD driver(s)
SSD1
Non-Volatile SSD (solid state flash device)
media, various sizes in GB.
Yes
Low level format

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