OptiPlex 3040 - Small Form Factor Owner's Manual Regulatory Model: D11S Regulatory Type: D11S001. Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. OptiPlex 3040 - Small Form Factor Owner's Manual Dell Inc. Optiplex-3020-desktop Dell OptiPlex 3020–Small Form Factor Owner's Manual. Dell OptiPlex 3020–Small Form Factor Owner's Manual Regulatory Model: D08S Regulatory Type: D08S001. Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. Dell OptiPlex 3020 Small Form Factor Owner's Manual Dell Inc.

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Statement of Volatility – Dell OptiPlex 3020

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.

The Dell OptiPlex 3020 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 OptiPlex 3020 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
memory in
embedded
controller
SMSC
SCH5553

MT-U23

SFF-U19

Non Volatile:

8042 Controller:

2k Bytes of Program ROM

Dell Optiplex 3020 Sff Service Manual

MCU ROM:

96K Bytes of Program ROM

Volatile:

8042 Controller:

256k Bytes of Data RAM

MCU ROM:

8k Bytes of Data RAM

N/A

System
BIOS

MT-U17

SFF-U14

Non Volatile memory, 64 Mbit
(8 MB), System BIOS and
Video BIOS for basic boot
operation, PSA (on board
diags), PXE diags.

N/A

Video
memory –
type – see
next column

Dell Optiplex 3020 Micro Manual

UMA
architectur
e- uses
system
DDR3.

Volatile memory in off state.

UMA uses main system
memory size allocated out of
main memory.

Enter S3-S5 state below.

System
Memory –
DDR3
memory

Connectors
:

DIMM1,
DIMM2

Volatile memory in OFF state

NOTE:

See state definitions later in text

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

Yes

Power off system

System
memory
SPD
EEPROM

Dell Optiplex 3020 Sff

On
memory
DIMM(s)
– one, two,
present

Non-Volatile EEPROM
memory. 2Kbit (256 bytes)
One Device present on each
DIMM.
Stores memory manufacturer
data and timing information
for correct operation of system

Dell Optiplex 3020 Sff Ram

N/A

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