Reference Guide

Dell - Internal Use - Confidential
Item
How is data input to this
memory?
How is this memory write
protected?
How is the memory
cleared?
of the primary IDSDM
firmware region.
but doing this will leave
the IDSDM non-
functional.
BOSS
SPI FLASH
By programming the
image via firmware update
process
N/A
Use Flash tool, type
“go.nsh w y”
TFRU
During Manufacturing, by
programming the image
via firmware update
process.
During runtime, by I2C
Proprietary Command
Protocol
N/A
By writing to Flash
LCD Bezel
Microcontroller
Updated as part of secure
iDRAC software update.
Configuration parameters
can change only as part of
iDRAC update
Writes are only allowed as
part of secure iDRAC
update
not user clearable.
PSU
MCU
The data is flash via Dell
Update Package(DUP)
SW write protected
Before firmware update,
the memory will be clear.
FRU
During Manufacturing, by
programming the image
via firmware update
process
SW write protected
User cannot clear the
memory.
LOM
SPI FLASH
The data is flash via Dell
Update Package(DUP)
Reserving write protection
function for HW design.
User cannot clear the
memory.
R1A/R1D-paddle/R2A/R2B/R3A/R4D
MCU
The data is flash via iDRAC
auto update
No write protected. Not
visible to Host Processor
User cannot clear the
memory.
STD/LC RIO
MCU
The data is flash via iDRAC
auto update
No write protected. Not
visible to Host Processor
User cannot clear the
memory.
NOTE: For any information that you may need, direct your questions to your Dell Marketing contact.
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05 - 2021
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