Dell PowerEdge M520 User Manual
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
System BIOS U_SPI_BIOS Boot code, system
BMC SPI U_IDRAC_S P I iDRAC boot co d e ,
eMMC U_EMMC iDRAC FW and
SD Controller On Management Riser
Server
Complementary
Metal-Oxide
Semiconductor
(CMOS)
Memory
BMC Memory U_IDRAC7_MEM Graphics buffer and
Server RAM Total 12 DIMMs
Server Process or
Memory
Card: U5
U_PBGA BIOS
CPU1: DIMMA1~2
DIMMB1~2
DIMMC1~2
CPU2: DIMME1~2
DIMMF1~2
DIMMG1~2
J_CPU1
J_CPU2
configuration
information, UEFI
environment, Flash
Descriptor, ME.
and Planar FRU.
USC.
Management Riser
card monitor and
control chip.
configurations.
memory of iDRAC
Main System
Memory.
Processor cache. Yes Data is lost when system
User
Accessible for
external data
No N/A
No N/A
No N/A
No N/A
Yes N/A
Yes Data is lost when AC off.
Yes Data is lost when system
Remedial Action (Action
necessary to prevent loss
of data)
is powered down.
is powered down.
Trusted
Platform
Module (TPM)
2012 - 09
U_TPM Store firmware for
TPM functionality.
No N/A
Item Reference Designator Volatility Description
Backplane SEP On SATA BP: J_SEP_1
On SAS BP: J_SEP_1
Backplane monitor
and control chip.
User
Accessible for
external data
No No
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© 2012 Dell Inc.
Trademarks used in this text: Dell™, the DELL logo, and PowerEdge™ are trademarks of Dell Inc.
Remedial Action (Action
necessary to prevent loss
of data)
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