Instruction Manual

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)
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
16x2.5" Backplane
Flash memory Flash No Firmware
Expander FRU image I2C EEPROM No FRU
BP FRU image I2C EEPROM No FRU
8x3.5" Backplane
SEP internal flash Integrated
Flash+EEPROM
No Firmware + FRU
12x3.5" Backplane
Flash memory Flash No Firmware
BP FRU image I2C EEPROM No FRU
Expander FRU image I2C EEPROM No FRU
PCIe SSD Backplane
SEP internal flash Integrated
Flash+EEPROM
No Firmware + FRU
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Item How is data input to this memory? How is this memory write protected?
Planer
PCH Internal CMOS RAM BIOS N/A – BIOS only control
BIOS SPI Flash SPI interface via iDRAC Software write protected
iDRAC SPI Flash SPI interface via iDRAC Embedded iDRAC subsystem firmware
actively controls sub area based write