Dell PowerEdge R810 - Manual (Page 9)

loaded with arbitrary data in firmware memory would
not operate.
How is this memory write protected? Software write protected
Remarks IDSDM is an option
IDSDM Write Journal Flash 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
Purpose? [e.g. boot code] Store write journal for shutdown recovery
How is data input to this memory? IDSDM Microcontroller writes to and reads from this
memory via SPI interface during operation
How is this memory write protected? N/A
SD card(s) (if present) for IDSDM (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
Purpose? [e.g. boot code] Normal usage is embedded Hypervisor OS but not
limited
How is data input to this memory? Factory load, OS run time usage and OS updates and
configuration changes.
How is this memory write protected? Media write protection or Software write protected
Remarks IDSDM is an option
VFlash for iDRAC Enterprise 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