Datasheet

Dell
72
Technical Guidebook’s Title
How is this memory write
protected? How is the memory cleared?
Chipset
CMOS
N/A - BIOS only control
Planar NVRAM_CLR jumper or Remove AC cord, remove cover,
remove coin cell battery. Wait for 30 seconds, replace battery,
cover and then AC cord.
F2 system setup option to restore defaults
Backplane (X8)
Storage Controller
Processor
Embedded firmware only
writeable through
controlled iDRAC methods
Not possible with any utilities or applications and backplane does
not function as expected if corrupted/removed.
Control Panel
Internal USB OS control OS control format
Power Supply
PSU Microcontroller
Protected by the
embedded microcontroller.
Special keys are used by
special vendor-provided
utilities to unlock the ROM
with various CRC checks
during load. N/A - not in system clearable
PDB Microcontroller
Unprotected N/A - not in system clearable
PERC 6/i Adapter
PERC NVSRAM
Config Data
Storage controller
firmware accessed only N/A - not in system clearable
PERC firmware
Write control access by
Storage Controller
firmware N/A - not in system clearable
PERC Cache RAM
Storage controller
firmware accessed only
Storage controller firmware clearable only. Remove AC
AND deplete or remove backup battery.
FRU
Protected. No iDRAC
embedded firmware
writes to this device.
Theoretically, IPMI I2C
Master write commands
would flow through to
overwrite this EEPROM. N/A - not in system clearable
IBUTTON Key
EEPROM
SHA1 encryption
included. Storage
Controller use only. N/A - not in system clearable
CPLD
Factory programmable
only N/A - not in system clearable