Specifications

Dell
PowerEdge R715 Technical Guide 64
Purpose? [e.g., boot code]
Stores PSU controller firmware. FRU information
for boards such as name, manufacturing date
etc.
How is data input to this memory?
FRU data pre-programmed by the PSU vendors.
PSU firmware can be updated by Dell provided
update package
How is this memory write protected?
Software write protected
Remarks
Dell Internal Dual SD Module (IDSM)
microcontroller flash (if present)
Details
Size:
256 KB
Type: [e.g., Flash PROM, EEPROM]:
EEPROM
Can user programs or operating system write
data to it during normal operation?
No
Does it retain data when powered off?
Yes
Purpose? [e.g., boot code]
Store firmware for IDSM functionality
How is data input to this memory?
Loading flash memory requires a vendor
provided firmware file and loader program.
IDSDM module loaded with arbitrary data in
firmware memory would not operate.
How is this memory write protected?
Software write protected
Remarks
IDSM is an option
Dell Internal Dual SD Module (IDSM) write
journal flash (if present)
Details
Size:
8 MB
Type: [e.g., Flash PROM, EEPROM]:
EEPROM
Can user programs or operating system write
data to it during normal operation?
No
Does it retain data when powered off?
Yes
Purpose? [e.g., boot code]
Store write journal for shutdown recovery
How is data input to this memory?
IDSM microcontroller writes to and read from
these memory via SPI interface during operation
How is this memory write protected?
Software write protected
Remarks
IDSM is an option
SD card(s) (if present) for IDSM (one or two
SD cards depending on the redundancy mode
ordered with it)
Details
Size:
Multiple
Type: [e.g., Flash PROM, EEPROM]:
Secure Digital NAND Flash
Can user programs or operating system write
data to it during normal operation?
No
Does it retain data when powered off?
Yes