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Dell PowerEdge R630 User Manual

Page 5

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Dell - Internal Use - Confidential

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)

iDRAC SPI Flash

SPI Flash

No

iDRAC Uboot (bootloader), server
management persistent store (i.e. IDRAC
MAC Address, iDRAC boot variables),
lifecycle log cache, virtual planar FRU and
EPPID, rac log, system event log, JobStore,
iDRAC Secure boot code,

BMC EMMC

eMMC NAND Flash

No

Operational iDRAC FW, Lifecycle
Controller (LC) USC partition, LC service
diags, LC OS drivers, USC firmware

CPU Vcore
Regulators

ROM

No

Operational parameters

Vmem Regulators

ROM

No

Operational parameters

System CPLD RAM

RAM

No

Not utilized

System Memory

DRAM

Yes

System OS RAM

Internal USB Key

Flash

Yes

General purpose USB key drive

Trusted Platform
Module (TPM)

EEPROM

Yes

Storage of encryption keys

CPU

Cache + registers

Yes

Processor cache + registers

iDRAC DDR

DRAM

No

iDRAC local memory

iDRAC

Cache + registers

No

Processor cache + registers

8x2.5" Backplane

SEP internal flash

Integrated
Flash+EEPROM

No

Firmware + FRU

10x2.5" (or 6x2.5" + 4x PCIe SSD)
EXP/Backplane

NVSRAM memory

Flash

No

FW configuration data

Flash memory

Flash

No

Firmware