Setup Guide

Item
Non-Volatile or
Volatile
Quantity
Reference Designator
Size
System Memory
Volatile
Up to 12
per CPU
CPU<2:1>_CH<5:0>_D<1:0>
Up to 32GB per
DIMM
Power Supplies
PSU FW
Non-Volatile
1 per PSU
Varies by part number
64K for each DSP
(Primary and
Secondary)
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)
PSB
PCIe SW
FLASH
Yes
PCIe switch FW
FRU
FRU
No
Manufacturing information
CPLD - Embedded Block RAM
RAM
No
Not utilized
CPLD- User FLASH Memory
FLASH
No
Not utilized
CPLD- CFG. FLASH Memory
FLASH
Yes
System information
MCU
MCU
No
NVMe hot plug feature
PDB
CPLD - Embedded Block RAM
RAM
No
Not utilized
CPLD- User FLASH Memory
FLASH
No
Not utilized
CPLD- CFG. FLASH Memory
FLASH
Yes
Power on system
10x2.5” Backplane
SEP
Integrated
Flash+EEPROM
No
HDDBP Firmware + FRU
Planer
PCH Internal CMOS RAM
Battery-backed
CMOS RAM
No
Real-time clock and BIOS
configuration settings
BIOS SPI Flash
SPI Flash
No
Boot code, system configuration
information, UEFI environment,
Flash Descriptor, ME
iDRAC SPI Flash
SPI Flash
No
iDRAC Uboot (bootloader), server
management persistent store (i.e.
IDRAC MAC