Dell PowerEdge R815 Technical Manual page 59

Dell
Purpose? [boot code]
How is data input to this memory?
How is this memory write protected?
Remarks
Dell Internal Dual SD Module (IDSM)
microcontroller flash (if present)
Size:
Type: [Flash PROM, EEPROM]:
Can user programs or operating system write
data to it during normal operation?
Does it retain data when powered off?
Purpose? [boot code]
How is data input to this memory?
How is this memory write protected?
Remarks
Dell Internal Dual SD Module (IDSM) write
journal flash (if present)
Size:
Type: [Flash PROM, EEPROM]:
Can user programs or operating system write
data to it during normal operation?
Does it retain data when powered off?
Purpose? [boot code]
How is data input to this memory?
How is this memory write protected?
Remarks
SD card(s) (if present) for IDSM (one or two
SD cards depending on the redundancy mode
ordered with it)
Size:
Type: [Flash PROM, EEPROM]:
Can user programs or operating system write
data to it during normal operation?
PowerEdge R815 Technical Guide
Stores PSU controller firmware. FRU information
for boards such as name, manufacturing date
etc.
FRU data pre-programmed by the PSU vendors.
PSU firmware can be updated by Dell provided
update package
Software write protected
Details
256 KB
EEPROM
No
Yes
Store firmware for IDSM functionality
Loading flash memory requires a vendor
provided firmware file and loader program.
IDSDM module loaded with arbitrary data in
firmware memory would not operate.
Software write protected
IDSM is an option
Details
8 MB
EEPROM
No
Yes
Store write journal for shutdown recovery
IDSM microcontroller writes to and read from
these memory via SPI interface during operation
Software write protected
IDSM is an option
Details
Multiple
Secure Digital NAND Flash
No
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