Dell   
71 
PowerEdge R210 Technical Guide 
Table 36.  Methodology for Memory Protection and Clearing 
 
How is this 
memory 
write 
protected?   How is the memory cleared? 
Planar     
System BIOS SPI 
Flash 
Software 
write 
protected  
Not possible with any utilities or applications and system 
is not functional if corrupted/removed. 
LOM 
Configuration 
Data 
No explicitly 
protected but 
special 
applications 
are needed to 
communicate 
through the 
LOMs to 
reprogram 
this ROM 
Not user clearable 
iDRAC6 
Controller ROM 
protected 
permanently 
by hardware 
Not clearable 
iDRAC6 
controller RAM 
n/a  iDRAC reset 
System CPLD 
(non-volatile) 
Requires 
special system 
specific utility 
Not possible with any utilities or applications and system 
is not functional if corrupted/removed. 
System CPLD 
(volatile) 
Not accessible  Not clearable 
iDRAC6 Express 
Internal Flash 
Writes are 
proxied 
through a 
temporary 
iDRAC 
scratchpad 
RAM and not 
directly made 
from an OS or 
OS application 
Not user clearable 
System RAM 
OS control  Reboot or power down system 
TPM ID EEPROM 
(Plug in module 
only) 
HW read only  Not clearable, read only