Dell PowerEdge R730 - Manual (Page 8)

Dell - Internal Use - Confidential
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
CPU Vcore
Regulators NA Not user clearable
Vmem
Regulators NA Not user clearable
System CPLD
RAM Not utilized Not accessible Not accessible
System Memory System OS OS Control Reboot or power down system
Internal USB Key USB interface via PCH.
Accessed via system OS
No write protect Can be cleared in system OS
CPU Various Various Power off
iDRAC DDR iDRAC Firmware NA Power off
iDRAC iDRAC Firmware NA Power off