Reference Guide

Item
How is this memory write
protected?
How is the memory cleared?
Flash memory
Hardware strapping
Not user clearable
BP FRU image
Hardware strapping
Not user clearable
Expander FRU image
Hardware strapping
Not user clearable
H730, H830, H730p 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
SPD
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
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
H330, H330M 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