Dell POWEREDGE R720XD - Manual (Page 10)

Item How is this memory write
protected? How is the memory cleared?
ONFI Backup Flash Not WP. Not visible to Host
Processor Flash can be cleared by powering up the card and
allowing the controller to flush the contents to
VDs. If the VDs are no longer available, cache can
be cleared by going into controller bios and
selecting Discard Preserved Cache.
SDRAM Not WP. Not visible to Host
Processor Cache can be cleared by powering off the card
H310, H310M PERCs
NVSRAM Not WP. Not visible to Host
Processor Cannot be cleared with existing tools available to
the customer
FRU Not WP Cannot be cleared with existing tools available to
the customer
1-Wire EEPROM Not WP. Not visible to Host
Processor Cannot be cleared with existing tools available to
the customer
SBR Not WP. Not visible to Host
Processor Cannot be cleared with existing tools available to
the customer
Flash Not WP. Not visible to Host
Processor Cannot be cleared with existing tools available to
the customer
PCIe SSD Extension Card
Switch Configuration
EEPROM Device can be write
protected via hardware pin.
Alternatively, device
contents can be write
protected via WPEN bit in
status register. System is not functional as intended if
corrupted/removed.
IDSDM
SPI Flash Hardware strapping Not user clearable
MCU N/A Not user clearable
NOTE: For any information that you may need, direct your questions to your Dell Marketing contact.
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