Dell R210 manual Dell, Methodology for Memory Protection and Clearing

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Table 36. Methodology for Memory Protection and Clearing

	How is this
	memory
	write
	protected?	How is the memory cleared?
Planar
System BIOS SPI	Software	Not possible with any utilities or applications and system
Flash	write
		is not functional if corrupted/removed.
	protected
LOM	No explicitly
Configuration	protected but
Data	special
	applications
	are needed to	Not user clearable
	communicate
	through the
	LOMs to
	reprogram
	this ROM
iDRAC6	protected
Controller ROM	permanently	Not clearable
	by hardware
iDRAC6	n/a	iDRAC reset
controller RAM
System CPLD	Requires	Not possible with any utilities or applications and system
(non-volatile)	special system
		is not functional if corrupted/removed.
	specific utility
System CPLD	Not accessible	Not clearable
(volatile)
iDRAC6 Express	Writes are
Internal Flash	proxied
	through a
	temporary
	iDRAC	Not user clearable
	scratchpad
	RAM and not
	directly made
	from an OS or
	OS application
System RAM	OS control	Reboot or power down system
TPM ID EEPROM
(Plug in module	HW read only	Not clearable, read only
only)

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PowerEdge R210 Technical Guide