Dell OptiPlex 7440 AIO Statement of Volatility

Statement of Volatility – Dell Opti Plex 7440 AIO CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. The Dell Opti Plex 7440 AIO 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 Opti Plex 7440 AIO system board. Table 1. List of Non-Volatile Components on System Board

Remedial Action (Action

Accessible

Description Reference necessary to prevent loss of

Designator Volatility Description for external

data)

System E56 Non Volatile memory, 128 Mb No N/A BIOS (16 MB), System BIOS and

Video BIOS for basic boot operation, PSA (on board diags.)

S1U2 4Mb in non-volatile memory, No N/A

Scalar IC

which stores FW information

Firmware

for scalar IC

Flash

2Kb in non-volatile memory, No N/A

EDID MU4

which stores EDID

EEPROM

information

Volatile memory in OFF state

System Connectors : No Power off system

(see state definitions later in

Memory – DIMM1,

text) N/A

DDR4 DIMM2 DIMM

One or two modules will be

memory

populated. System memory size will depend on DIMM modules and will be between 2GB to 16GB.

Volatile Battery back-backed No Removing the on board Coin CMOS memory 256 bytes Cell battery

Stores CMOS information

TPM 1.2 U22 16KB non-volatile memory, No N/A

which stores FW information for TPM IC.

Litho D5U2, 2GB Volatile memory in off No Enter S3-S5 state below.

GDDR5 D5U3, state. Video D5U4,

UMA uses main system

memory D5U5

memory size allocated out of main memory.

2.5’ Hard User

Non Volatile magnetic media, Yes Low level format

drive replaceable

various sizes in GB