Reference Guide

Internal Use - Confidential
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)
SDRAM SDRAM No
Cache for HDD I/O
CPLD Flash No
Power sequencing
and Cache Offload
Left Status CP
Microcontroller Flash No
Driving Health and
Status LED
TPM
Trusted Platform Module (TPM) EEPROM Yes
Storage of encryption keys
Right FIO 1U Package 1
SPI Flash SPI Flash No
EasyRestore functionality:
contains Service Tag, Copy
of SEL logs
BOSS
SPI FLASH FLASH EEPROM No
Boot code, FW
FRU FLASH EEPROM No
Card manufacturing
information
LCD Bezel
Microcontroller Internal Flash No
Bootloader and s/w
implementation of LCD
command set
PSU
MCU Internal Flash Yes
Boot code, FW
FRU EEPROM No
PSU information
LOM
SPI FLASH SPI Flash EEPROM Yes
Firmware
R1A
MCU Flash ROM No
Riser information
R2C
MCU Flash ROM No
Riser information
R3D
MCU Flash ROM No
Riser information
R4A
MCU Flash ROM No
Riser information
R4B
MCU Flash ROM No
Riser information