Dell PowerEdge M520 User Manual
Dell Computer hardware
2012 - 09
Statement of Volatility – Dell PowerEdge M520
Systems
The Dell PowerEdge M520 system contains both volatile and non-volatile (NV) components. Volatile components lose their
data immediately after power is removed from the component. Non-volatile (NV) components continue to retain their data
even after power is removed from the component. The following NV components are present on the M520 system.
Item Reference
Designator
Volatility
Description
User
Accessible for
external data
Remedial Action (Action
necessary to prevent loss
of data)
System BIOS
U_SPI_BIOS Boot
code,
system
configuration
information, UEFI
environment, Flash
Descriptor, ME.
No N/A
BMC SPI
U_IDRAC_SPI
iDRAC boot code,
and Planar FRU.
No N/A
eMMC U_EMMC
iDRAC
FW
and
USC.
No N/A
SD Controller
On Management Riser
Card: U5
Management Riser
card monitor and
control chip.
No N/A
Server
Complementary
Metal-Oxide
Semiconductor
(CMOS)
Memory
U_PBGA BIOS
configurations.
Yes N/A
BMC Memory
U_IDRAC7_MEM
Graphics buffer and
memory of iDRAC
Yes
Data is lost when AC off.
Server RAM
Total 12 DIMMs
CPU1: DIMMA1~2
DIMMB1~2
DIMMC1~2
CPU2: DIMME1~2
DIMMF1~2
DIMMG1~2
Main System
Memory.
Yes
Data is lost when system
is powered down.
Server Processor
Memory
J_CPU1
J_CPU2
Processor cache.
Yes
Data is lost when system
is powered down.
Trusted
Platform
Module (TPM)
U_TPM Store
firmware
for
TPM functionality.
No N/A