Dell PowerEdge R530 User Manual

Page 2

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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)

Planer

PCH Internal CMOS RAM

Battery-backed CMOS RAM

No

Real-time clock and

BIOS configuration

settings

BIOS SPI Flash

SPI Flash

Yes

Boot code, system

configuration

information, UEFI

environment, Flash

Disceptor, ME

iDRAC SPI Flash

SPI Flash

No

iDRAC Uboot

(bootloader),

server managent

persistent store

(i.e. IDRAC MAC

Address, iDRAC

boot variables),

lifecycle log cache,

virtual planar FRU

and EPPID, rac log,

System Event Log,

BMC EMMC

eMMC NAND Flash

No

Operational iDRAC

FW, Lifecycle

Controller (LC) USC

partition, LC service

diags, LC OS

drivers, USC

firmware

CPU Vcore and VSA
Regulators

OTP(one time programmable)

No

Operational

parameters

System CPLD RAM

RAM

No

Not utilized

System Memory

RAM

Yes

System OS RAM

Power Supplies

PSU FW

Embedded microcontroller flash

No

Power Supply

operation, power

management data

and fault behaviors

2U 8x3.5” Backplane

SEP internal flash

Integrated Flash+EEPROM

No

Firmware + FRU

Dell - Internal Use - Confidential

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