Dell PowerEdge External Media System 1434 Statement of Volatility
Dell PowerEdge External Media System 1434 Manual
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- Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 1
the Statement of Volatility. Configuration option information (pertinent to options such as microprocessors, remote access controllers, and storage controllers) is available by component separately. The following NV components are present in the PowerEdge R720 and R720XD servers. Item Planer Non - Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 2
image Non-Volatile 1 8x3.5" Backplane SEP internal flash Non-Volatile 1 12x3.5" Backplane Flash memory Non-Volatile 1 BP FRU image Non-Volatile 1 Expander FRU image Non-Volatile 1 PCIe SSD Backplane SEP internal flash Non-Volatile 1 H710, H810, H710M PERCs NVSRAM Non-volatile - Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 3
? Battery-backed CMOS RAM No SPI Flash No iDRAC SPI Flash SPI Flash No BMC EMMC eMMC NAND Flash No CPU Vcore and VSA OTP(one time programmable) No Regulators System CPLD RAM RAM No System Memory RAM Yes Internal USB Key Flash Yes Trusted Platform Module EEPROM Yes (TPM) - Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 4
Item Power Supplies PSU FW 8x2.5" Backplane Type (e.g. Flash PROM, EEPROM) Can user programs Integrated Flash+EEPROM No 12x3.5" Backplane Flash memory Flash No BP FRU image I2C EEPROM No Expander FRU image I2C EEPROM No PCIe SSD Backplane SEP internal flash Integrated Flash+EEPROM No - Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 5
and EPPID, rac log, system event log, JobStore, iDRAC Secure boot code, SPI interface via iDRAC Operational iDRAC FW, Lifecycle Controller (LC) USC partition, LC service diags, LC OS drivers, USC firmware NAND Flash interface via iDRAC Operational parameters Once values are loaded into register - Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 6
TPM Enabled operating systems Power Supply operation, power management data and fault behaviors Different vendors have different utilities and tools to load the data to memory. It can also be loaded by Dell Update Package from LC or OS (Windows and Linux) Firmware + FRU I2C interface via iDRAC - Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 7
this memory Pre-programmed before assembly Flash Card firmware PCIe SSD Extension Card Switch Configuration EEPROM Configuration for PLX PCIe switch, setting registers IDSDM SPI Flash MCU Exclusively used by the controller Firmware Pre-programmed before assembly. Can be updated using Dell/LSI - Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 8
Item Planer PCH Internal CMOS RAM How is this memory write How is the memory cleared? protected? 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 - Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 9
SEP internal flash 12x3.5" Backplane Flash memory BP FRU image Expander FRU image PCIe SSD Backplane SEP internal flash Hardware strapping existing tools available to Processor the customer FRU Not WP Cannot be cleared with existing tools available to the customer 1-Wire EEPROM Not WP. Not - Dell PowerEdge External Media System 1434 | Statement of Volatility - Page 10
1-Wire EEPROM SBR Flash PCIe SSD Extension Card Switch Configuration EEPROM IDSDM SPI Flash MCU How is this memory write How is the memory cleared? protected? Not WP. Not visible to Host Processor Flash can be cleared by powering up the card and allowing the controller to flush the contents to
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Statement of Volatility – Dell PowerEdge R720 and
R720XD
Dell PowerEdge R720 and R720XD contain both volatile and non-volatile (NV) components.
Volatile
components lose their data immediately upon removal of power from the component. Non-volatile components
continue to retain their data even after the power has been removed from the component. Components chosen
as user-definable configuration options (those not soldered to the motherboard) are not included in the Statement
of Volatility. Configuration option information (pertinent to options such as microprocessors, remote access
controllers, and storage controllers) is available by component separately.
The following NV components are
present in the PowerEdge R720 and R720XD servers.
Item
Non-Volatile
or Volatile
Quantity
Reference Designator
Size
Planer
PCH Internal CMOS
RAM
Non-Volatile
1
U_PCH
256 Bytes
BIOS SPI Flash
Non-Volatile
1
U_SPI_BIOS
8 MB
iDRAC SPI Flash
Non-Volatile
1
U_IDRAC_SPI
4 MB
BMC EMMC
Non-Volatile
1
U_EMMC
4 GB
CPU Vcore and VSA
Regulators
Non-Volatile
2
U11, U12
4.25 KB
System CPLD RAM
Volatile
1
U_CPLD
1 KB
System Memory
Volatile
Up to 12
per CPU
CPU<2:1>_CH<3:0>_D<2:0>
Up to 32GB per DIMM
Internal USB Key
Non-Volatile
Up to 1
N/A
Varies (not factory
installed)
Trusted Platform
Module (TPM)
Non-Volatile
1
U_TPM
128 Bytes
Power Supplies
PSU FW
Non-Volatile
1 per
PSU
Varies by part number
Up to 2MB. Varies by
part number
8x2.5" Backplane
SEP internal flash
Non-Volatile
1
U_SEP
Flash:32KB+4KB
EEPROM: 1KB