Dell POWEREDGE R620 - Manual (Page 6)

Power Supplies
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. Not clearable
4x2.5" Backplane
SEP internal flash I2C interface via iDRAC Program write protect bit Not user clearable
8x2.5" Backplane
SEP internal flash I2C interface via iDRAC Program write protect bit Not user clearable
10x2.5" Backplane
Flash memory Common Flash memory
Interface (CFI) Hardware strapping Not user clearable
Expander FRU image I2C interface via iDRAC Hardware strapping Not user clearable
BP FRU image I2C interface via iDRAC Hardware strapping Not user clearable
PCIe SSD Backplane
SEP internal flash I2C interface via iDRAC Program write protect bit Not user clearable
H710, H810, H710M PERCs
NVSRAM ROC writes configuration
data to NVSRAM
Not WP. Not visible to
Host Processor Cannot be cleared with
existing tools available
to the customer
FRU Programmed at ICT during
production. Not WP Cannot be cleared with
existing tools available
to the customer
1-Wire EEPROM ROC writes data to this
memory Not WP. Not visible to
Host Processor Cannot be cleared with
existing tools available
to the customer
SPD Pre-programmed before
assembly
Not WP. Not visible to
Host Processor Cannot be cleared with
existing tools available
to the customer
SBR Pre-programmed before
assembly
Not WP. Not visible to
Host Processor Cannot be cleared with
existing tools available
to the customer
SPI Flash Pre-programmed before
assembly. Can be updated
using Dell/LSI tools Not WP. Not visible to
Host Processor Cannot be cleared with
existing tools available
to the customer
Flash Pre-programmed before
assembly. Can be updated
using Dell/LSI tools
Not WP. Not visible to
Host Processor Cannot be cleared with
existing tools available
to the customer