Setup Guide

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)
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 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
Item
How is data input to this memory?
How is this memory write protected?
PSB
PCIe SW
Offline programming by factory
No write protect
FRU
Programmed at ICT during production
No write protect
CPLD - Embedded Block RAM
Not utilized
Not accessible
CPLD- User FLASH Memory
Not utilized
Not accessible
CPLD- CFG. FLASH Memory
Firmware update
Not accessible
MCU
Offline programming by factory
No write protect
PDB
CPLD - Embedded Block RAM
Not utilized
Not accessible
CPLD- User FLASH Memory
Not utilized
Not accessible
CPLD- CFG. FLASH Memory
Firmware update
Not accessible
10x2.5” Backplane