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U3818DW

Dell U3818DW Owner's manual

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  • What happens to the data stored in the Dell U3818DW monitor when the power is turned off?
    What type of memory ICs does the Dell U3818DW monitor use?
    What is the purpose of the System EEPROM in the Dell U3818DW monitor?
    How is data input to the System EEPROM in the Dell U3818DW monitor?
    Is the System Flash ROM in the Dell U3818DW monitor user-programmable?
    What is the purpose of the USB Hub EEPROM in the Dell U3818DW monitor?
    How is data input to the USB Hub EEPROM in the Dell U3818DW monitor?
Statement of Volatility – Dell UltraSharp U3818DW Monitor
The purpose of this document is to certify that the Dell UltraSharp U3818DW 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 UltraSharp U3818DW 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.
The list below contains volatile and non-volatile memory ICs used in the
Dell UltraSharp U3818DW 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 setting
(ex. brightness, contrast, color setting) and the
setting will be stored into the system EEPROM.
How is this memory write
protected?
Software write protected
HDMI 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
Purpose
Storage of HDMI EDID
How is data input to this
memory?
HDMI 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 MX25L3206EM2I-12G
Size
32Mbit
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
USB Hub EEPROM
ST M24C32
Size
32Kbit
Type [e.g. Flash PROM,
EEPROM]
EEPROM
Volatility
Non-volatile
Can user programs or
operating system write data
to it during normal
operation?
No
Purpose
Storage of USB Hub setting
How is data input to this
memory?
Factory burnt data or via vendor-provided tool to
update.
How is this memory write
protected?
Software write protected
PD controller Flash ROM
MXIC MX25L8006EM1I-12G
Size
8Mbit
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.
© 2017 Dell Inc.
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