Dell PowerVault DX6104 User Manual
Page 2
8x2.5" Backplane
SEP internal flash
Non‐
Volatile
1
U3(SEP)
Flash:32KB +
4KB
EEPROM: 1KB
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
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 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