Dell P2815Q User Manual

User

memory

UM401,

Volatile memory in OFF

No

N/A

U501,U502

Volatile memory in OFF

No

N/A

All other components on the system board lose data if power is removed from the system. Primary power

Statement of Volatility – Dell P2815Q

CA UT ION : A CAUTIO N indicates either potential damage t o hardware or loss of data and tells you how to avoid the
problem.

The Dell P2815Q 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 P2815Q system board.

Table 1. List of Non-Volatile Components on System Board

Description

Serial
Flash
Memory

MEMC IC
Memory
–DDR3

Scalar IC
Memory
– DDR3
memory

Scalar

ICOCM
NVRAM

Referenc e
Designator

U807
UM601

UM402

U806 Non-Volatile memory, 512

Volatility Description

Non-Volatile
memory16Mbit serial Flash
memory
Stores scalar IC code and
MEMC IC code

state 1 GB DDR3 for MEMC
IC – frame buffer

state 1 GB DDR3 for Scalar
IC – frame buffer

Bytes.

Stores memory
manufacturer data and
OSD data

Accessible
for extern al
data

No N/A

No N/A

Remedial Action (Action
necessary to prevent loss of
data)

CA UT ION :
loss (unplugging the power cord and removing the battery) destroys all user data on the memory (DDR3, 1067MHz).
Secondary power loss (removing the on-board coin-cell battery) destroys syst em data on the system configurat ion
and t ime-of-day information.

______________

© 2014 Dell Inc.

Copyright © 2014 Dell Inc. All rights reserved. This product is protected by U.S. and international
copyright and intellectual property laws. Dell and the Dell logo are trademarks of Dell Inc. in the
United States and/or other jurisdictions. All other marks and names mentioned herein may be
trademarks of their respective companies.

January 2014