Dell PowerEdge T430 - Manual (Page 6)

Item Type (e.g. Flash PROM, EEPROM) Can user programs
or operating system
write data to it
during normal
operation? Purpose? (e.g.
boot code)
IDSDM
SPI Flash SPI Flash No Exclusively used by
the controller
MCU Embedded Flash Yes Firmware
TPM
Trusted Platform Module
(TPM) EEPROM Yes Storage of
encryption keys
Item How is data input to this
memory? How is this memory
write protected? How is the memory cleared?
Planar
PCH Internal
CMOS RAM BIOS N/A – BIOS only
control 1) Set NVRAM_CLR jumper to clear BIOS
configuration settings at boot and
reboot system; 2) AC power off system,
remove coin cell battery for 30 seconds,
replace battery and power back on; 3)
restore default configuration in F2
system setup menu.
BIOS Password Keyboard N/A Place shunt on J_PSWD_NVRAM jumper
pins 2 and 4.
BIOS SPI Flash SPI interface via iDRAC Software write
protected Not possible with any utilities or
applications and system is not functional
if corrupted/removed.
iDRAC SPI Flash SPI interface via iDRAC Embedded iDRAC
subsystem firmware
actively controls sub
area based write
protection as needed. Not completely user clearable; however,
user data, lifecycle log and archive, SEL,
fw image repository can be cleared via
Delete Configuration and Retire System,
accessible in Lifecycle Controller
interface
BMC EMMC NAND Flash interface via
iDRAC Embedded FW write
protected Not completely user clearable; however,
user data, lifecycle log and archive, SEL,
fw image repository can be cleared via
Delete Configuration and Retire System,
accessible in Lifecycle Controller
interface