Dell PowerEdge T630 - Manual (Page 8)

Dell - Internal Use - Confidential
Item Purpose? (e.g. boot code) How is data input to this memory?
FRU Card manufacturing
information
Programmed at ICT during production.
1-Wire EEPROM Holds default controller
properties/settings
ROC writes data to this memory
SPD Memory configuration data Pre-programmed before assembly
SBR Bootloader Pre-programmed before assembly
Flash Card firmware Pre-programmed before assembly. Can
be updated using Dell/LSI tools
ONFI Backup Flash Holds cache data during power
loss
FPGA backs up DDR data to this device in
case of a power failure
SDRAM Cache for HDD I/O ROC writes to this memory - using it as
cache for data IO to HDDs
H330 PERC
NVSRAM Configuration data ROC writes configuration data to
NVSRAM
FRU Card manufacturing
information
Programmed at ICT during production
1-Wire EEPROM Holds default controller
properties/settings
ROC writes data to this memory
SBR Bootloader Pre-programmed before assembly
Flash Card firmware Pre-programmed before assembly. Can
be updated using Dell/LSI tools
PCIe SSD Extension Card
Switch Configuration EEPROM Configuration for PLX PCIe
switch, setting registers
The EEPROM image is pre-loaded at
factory before assembly. Once
assembled on the card, data can be
entered via PLX Device Editor or PLX EEP
DOS based tool.
IDSDM
SPI Flash Exclusively used by the
controller
SPI interface via iDRAC
MCU Firmware USB3.0 interface via PCH
Front Panel
SPI Flash For field maintenance. Have
License, Service Tag and
system information.
SPI interface via iDRAC