Reference Guide

PSU FW
Different vendors have different
utilities and tools to load the data to
memory. It can also be loaded by Dell
Update Package from LC or OS
(Windows and Linux)
Protected by the embedded microcontroller.
Special keys are used by special vendor provided
utilities to unlock the ROM with various CRC
checks during load.
24x2.5" SAS Backplane
SEP internal flash
I2C interface via iDRAC
Program write protect bit
16+8x2.5" PCIe SSD Backplane
SEP internal flash
I2C interface via iDRAC
Program write protect bit
4x2.5" 12GB Backplane
SEP internal flash
I2C interface via iDRAC
Program write protect bit
Active I/O Risers
FRU
Pre-programmed at manufacturing
No write protection
Configuration image
Pre-programmed at manufacturing
Protected by switch controller which special tool
or application can be used for programming
12GB Daughter Card (Performance or Unified)
Flash memory
Common Flash memory Interface (CFI)
Hardware strapping
Expander NVRAM
Written by Expander FW
Software write protected
Expander FRU image
I2C interface via iDRAC
Hardware strapping
Memory Riser
Mem FRU image
I2C interface via iDRAC
FRU is not write protected
MEM VDDQ Regulators
Once values are loaded into register
space a cmd writes to nvram.
There are passwords for different sections of the
register space
System Memory
System OS
OS Control
NOTE: For any information that you may need, direct your questions to your Dell Marketing contact.
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