Dell E1920H Reference guide

E1920H
Dell
Brand
Dell
Model
E1920H
Type
Reference guide

Dell E1920H is a monitor that boasts both volatile and non-volatile memory ICs, ensuring that crucial data like OSD settings and VGA EDID information remain intact even after power cycles. It features a System EEPROM for storing OSD settings, a VGA EDID EEPROM for EDID data storage, and a System Flash ROM for firmware storage. With its ability to retain data, the Dell E1920H is a reliable choice for various applications where data retention is essential.

Dell E1920H is a monitor that boasts both volatile and non-volatile memory ICs, ensuring that crucial data like OSD settings and VGA EDID information remain intact even after power cycles. It features a System EEPROM for storing OSD settings, a VGA EDID EEPROM for EDID data storage, and a System Flash ROM for firmware storage. With its ability to retain data, the Dell E1920H is a reliable choice for various applications where data retention is essential.

01/2020
Statement of Volatility – Dell E1920H Monitor
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells
you how to avoid the problem
The purpose of this document is to certify that the Dell E1920H monitor will not save, retain,
or reproduce a signal to any internal or external component after power has been removed
and reapplied to the unit.
The Dell E1920H monitor contains both volatile and non-volatile (NV) memory ICs. Volatile
memory(s) lose their data immediately upon removal of power. Non-volatile memory ICs
continue to retain their data even after the power has been removed. However, no input
video data is written into these memory ICs during operation.
List below contains volatile and non volatile memory ICs used in the Dell E1920H monitor.
System EEPROM
ST M24C16
Size
16Kbit
Type [e.g. Flash PROM,
EEPROM]
EEPROM
Volatility
Non-volatile
Can user programs or
operating system write data
to it during normal
operation?
OSD setting: Yes
Purpose
Storage of system setting (OSD)
How is data input to this
memory?
Controls the OSD menu and changes OSD settings
(ex. brightness, contrast, color) and the settings will
be stored into system EEPROM.
How is this memory write
protected?
Software write protected
VGA EDID EEPROM
ST M24C02
Size
2Kbit
Type [e.g. Flash PROM,
EEPROM]
EEPROM
Volatility
Non-volatile
Can user programs or
operating system write data
to it during normal
operation?
No
01/2020
Purpose
Storage of VGA EDID
How is data input to this
memory?
VGA EDID is embedded in the firmware, and
copied to EEPROM after F/W programming.
(or via customized EDID tool)
How is this memory write
protected?
Hardware and software write protected
System Flash ROM
MXIC MX25L4026EM1I-12G
Size
4Mbit
Type [e.g. Flash PROM,
EEPROM]
Serial flash memory
Volatility
Non-volatile
Can user programs or
operating system write data
to it during normal
operation?
No
Purpose
To store firmware
How is data input to this
memory?
Loading flash memory requires a vendor-provided
tool and firmware.
How is this memory write
protected?
Software write protected
CAUTION: All other components on the system board lose data if power is removed from the system. Primary
power loss (unplugging the power cord) destroys all user data.
© 2020 Dell Inc.
Trademarks used in this text: Dell™, the DELL logo, Precision™ are trademarks of Dell Inc. Intel®, Pentium®, Xeon®, Core™ and Celeron® are
registered trademarks of Intel Corporation in the U.S. and other countries. Microsoft®, Windows® are either trademarks or registered trademarks of Microsoft
Corporation in the United States and/or other countries
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Dell E1920H Reference guide

E1920H
Dell
Brand
Dell
Model
E1920H
Type
Reference guide

Dell E1920H is a monitor that boasts both volatile and non-volatile memory ICs, ensuring that crucial data like OSD settings and VGA EDID information remain intact even after power cycles. It features a System EEPROM for storing OSD settings, a VGA EDID EEPROM for EDID data storage, and a System Flash ROM for firmware storage. With its ability to retain data, the Dell E1920H is a reliable choice for various applications where data retention is essential.

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