Dell OptiPlex 7070 Tower Tower - Statement of Volatality
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- Dell OptiPlex 7070 Tower | Tower - Statement of Volatality - Page 1
. Non-volatile components continue to retain their data even after the power has been removed from the component. The following volatile and NV components are present on the Dell OptiPlex 7070_Tower motherboard: Description Reference Designator Embedded Flash memory in embedded controller - Dell OptiPlex 7070 Tower | Tower - Statement of Volatality - Page 2
boot when awakened. Since S5 is the shut off state, coming out of S5 requires power on which clears all registers. The following table shows all the states supported by Dell OptiPlex 7070_Tower Model Number Dell OptiPlex 7070_Tower S0 S1 S3 S4 S5 X X X X Please direct any questions to your
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Dell Inc.
Telephone:
512.338.4400
One Dell Way
Telefax:
512.728.3653
Round Rock, TX78682
DELL CONFIDENTIAL
Page 1
Dell Customer Communication - Confidential
Date:
Apr 29, 2019
Subject:
Statement of Volatility
–
Dell OptiPlex 7070_Tower
To whom it may concern:
The Dell OptiPlex 7070_Tower
contains both “volatile” and “non
-
volatile” (NV) components.
Volatile components
lose their data immediately upon removal of power from the component.
Non-volatile components continue to
retain their data even after the power has been removed from the component.
The following volatile and NV
components are present on the Dell OptiPlex 7070_Tower motherboard:
Description
Reference
Designator
Volatility Description
User
Accessible for
external data
Remedial Action
(action necessary
to lose data)
Embedded Flash memory
in embedded controller
SMSC SCH5555V-NU
U5
2K bytes of on-chip ROM
and 256 bytes of on-chip
RAM
No
N/A
Type C Port controller
Cypress CYPD4125-
40LQXIT
U3451
128K bytes of on-chip
Flash and 8K bytes SRAM.
No
N/A
System BIOS
U8
32M bytes non-volatile
memory, system BIOS and
video BIOS for basic boot
operation, ePSA (on board
diagnostics.)
No
N/A
TPM
Nuvoton
NPCT750JAAYX
U48(Nuvoton) 24K bytes non-volatile
memory located in
Nuvoton TPM.
No
N/A
System Memory
–
DDR4
DIMM
memory
Connectons:
DIMM1,
DIMM2,
DIMM3,
DIMM4.
Volatile memory in off state
(see state definitions later
in text)
One to four modules will be
populated.
System
memory size will depend
on DIMM modules and will
be between 4GB to 64GB.
Yes
Power off system.
System memory SPD
EEPROM
On memory
DIMM(s)
256 bytes non-volatile
EEPROM memory. One
Device present on each
DIMM.
Stores memory
manufacturer data and
timing information for
correct operation of system
memory.
No
N/A
RTC CMOS
BATTERY
Volatile battery back-
backed CMOS memory
256 bytes. Stores CMOS
information.
No
Removing the on-
board Coin Cell
battery.
Video memory
–
type
–
see next column
UMA
architecture-
uses system
Volatile memory in off
state.
UMA uses main system
No
Enter S3-S5 state
below.