Intel® Server System SR9000MK4U Product Guide 141

Figure 131. Firmware Update Block Diagram
AF001197
Integrated ROM file (The file
that integrates the update
ROM data.)
LPC Bus
Removable
media
Fwupdate.efi
SAL code
BMC code
SDR data
Removable
device
ESB2
FPGA
BMC
FWH
SAL
8MB
Flash
ROM#1
SAL
8MB
Flash
ROM#0
BMC
512KB

Hardware

Software EFI
Share Bus
SMBus
Flash
ROM
BMC
512KB
BMC external
flash
BMC internal
flash
SAL Spool
Copied to internal
flash by BMC
reset sequence.