Dell U2415 Troubleshooting
User
Software write protected
U1
No
Hardware and software write
U6
No
Hardware and software write
16 Mbit Serial Flash Non
No
Software write protected
memory
1 Gbit DDR3 Volatile memory
No
N/A
Statement of Volatility – Dell U2415
CAUTION: A CAUTION indicat es e ith er po ten ti a l dam age to hardware or loss of data and te lls y o u how to avoid the
problem.
The Dell U2415 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 U2415 system board.
Table 1. List of Non-Volatile Components on System Board
Description
System
EEPROM
HDMI 1
EDID
EEPROM
HDMI 2
EDID
EEPROM
Serial
Flash
Video
buffer and
system
Reference
Designator
Volatility Description
U22 16 Kbit EEPROM Non
Volatile memory for storage of
system setting (OSD) / DP
EDID / MiniDP EDID/ MHL
EDID
2 Kbit EEPROM Non Volatile
memory for Storage of
HDMI 1 EDID
2 Kbit EEPROM Non Volatile
memory for Storage of
HDMI 2 EDID
U23
Volatile memory for storage of
system firmware
U21
in off state for scaler buffer for
video processing.
Accessible
for external
data
No
Remedial Action (Action
necessary to prevent loss of
data)
protected
protected
CAUTION: All other componen ts on t he s yst em boar d l ose da ta if power is removed from the syst em . Pr im ary p ower
loss (unplugging the power co rd an d removing the battery) destroys al l u ser data on the memory (DDR3, 1067 MHz).
Secondary power loss (removing t he on-board coin-cell batte ry) des tro ys system data on the system configu ra tio n
and time-of-day information.
______________
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.
08 2014
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