Dell OptiPlex 5070 Optiplex 5070 SF - Page 2

M.2 Solid State Disk

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Description Reference Designator Volatility Description RTC CMOS Video memory - type - see next column SD Memory Card M.2 Solid State Disk Hard drive CD-ROM/RW/ DVD/ DVD+RW/ Diskette Drives BATTERY UMA architectureuses system memory. User replaceable User replaceable User replaceable User replaceable Volatile battery backbacked CMOS memory 256 bytes. Stores CMOS information. Volatile memory in off state. UMA uses main system memory size allocated out of main memory. Non-volatile magnetic media, various sizes in GB. Non-volatile magnetic media, various sizes in GB. Non-volatile magnetic media, various sizes in GB. Non-volatile optical/magnetic media. User Accessible for external data No No Yes Yes Yes Yes Remedial Action (action necessary to lose data) Removing the onboard Coin Cell battery. Enter S3-S5 state below. Low level format. Low level format. Low level format. Low level format/erase. All other components on the motherboard will lose data once power is removed from the system. Primary power loss (Unplug the power cord and remove the battery) will destroy all user data on the memory (DDR4, 2400/2666MHz). Secondary power loss (removing the on-board coin cell battery) will destroy system data on the system configuration and time-of-day information. In addition, to clarify memory volatility and data retention in situations where the system is put in different ACPI power states the following is provided (those ACPI power states are S0, S1, S3, S4 and S5): S0 state is the working state where the dynamic RAM is maintained and is read/write by the processor. S1 state is a low wake-up latency sleeping state. In this state, no system context is lost (CPU or chip set) and hardware maintains all system contexts. S3 is called "suspend to RAM" state or stand-by mode. In this state the dynamic RAM is maintained. Dell systems will be able to go to S3 if the OS and the peripherals used in the system supports S3 state. Linux and Windows7 support S3 state. S4 is called "suspend to disk" state or "hibernate" mode. There is no power. In this state, the dynamic RAM is not maintained. If the system has been commanded to enter S4, the OS will write the system context to a non-volatile storage file and leave appropriate context markers. When the system is coming back to the working state, a restore file from the non-volatile storage can occur. The restore file has to be valid. Dell systems will be able to go to S4 if the OS and the peripherals support S4 state. Windows 7 support S4 state. S5 is the "soft" off state. There is no power. The OS does not save any context to wake up the system. No data will remain in any component on the system board, i.e. cache or memory. The system will require a complete boot when awakened. Since S5 is the shut off state, coming out of S5 requires power on which clears all registers. DELL CONFIDENTIAL Dell Customer Communication - Confidential Page 2

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DELL CONFIDENTIAL
Page 2
Dell Customer Communication - Confidential
Description
Reference
Designator
Volatility Description
User Accessible
for external data
Remedial Action
(action necessary
to lose data)
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
memory.
Volatile memory in off
state.
UMA uses main system
memory size allocated
out of main memory.
No
Enter S3-S5 state
below.
SD Memory Card
User
replaceable
Non-volatile magnetic
media, various sizes in
GB.
Yes
Low level format.
M.2 Solid State Disk
User
replaceable
Non-volatile magnetic
media, various sizes in
GB.
Yes
Low level format.
Hard drive
User
replaceable
Non-volatile magnetic
media, various sizes in
GB.
Yes
Low level format.
CD-
ROM/RW/ DVD/
DVD+RW/ Dis
kette Drives
User
replaceable
Non-volatile
optical/magnetic media.
Yes
Low level
format/erase.
All other components on the motherboard will lose data once power is removed from the system.
Primary power
loss (Unplug the power cord and remove the battery) will destroy all user data on the memory (DDR4,
2400/2666MHz).
Secondary power loss (removing the on-board coin cell battery) will destroy system data on the
system configuration and time-of-day information.
In addition, to clarify memory volatility and data retention in situations where the system is put in different ACPI
power states the following is provided (those ACPI power states are S0, S1, S3, S4 and S5):
S0 state is the working state where the dynamic RAM is maintained and is read/write by the processor.
S1 state is a low wake-up latency sleeping state. In this state, no system context is lost (CPU or chip set)
and hardware maintains all system contexts.
S3 is called “suspend to RAM” state or stand
-by mode. In this state the dynamic RAM is maintained. Dell
systems will be able to go to S3 if the OS and the peripherals used in the system supports S3 state. Linux
and Windows7 support S3 state.
S4 is called “suspend to disk” state or “hibernate” mode. There is no power. In this state, the dynamic
RAM is not maintained. If the system has been commanded to enter S4, the OS will write the system
context to a non-volatile storage file and leave appropriate context markers. When the system is coming
back to the working state, a restore file from the non-volatile storage can occur. The restore file has to be
valid. Dell systems will be able to go to S4 if the OS and the peripherals support S4 state. Windows 7
support S4 state.
S5 is the “soft” off state. There is no power. The OS does not save any context to wake up the system.
No data will remain in any component on the system board, i.e. cache or memory. The system will require
a complete boot when awakened. Since S5 is the shut off state, coming out of S5 requires power on
which clears all registers.