®
Intel
Server System SR9000MK4U Product Guide
Software
EFI
Hardware
ESB2
Removable
media
Fwupdate.efi
Removable
SAL code
device
BMC code
SDR data
Integrated ROM file (The file
that integrates the update
ROM data.)
Figure 131. Firmware Update Block Diagram
SMBus
LPC Bus
FWH
SAL
8MB
Share Bus
Flash
Flash
ROM#1
ROM#0
SAL
BMC
8MB
512KB
BMC external
SAL Spool
flash
BMC
Flash
ROM
BMC
512KB
BMC internal
flash
FPGA
Copied to internal
flash by BMC
reset sequence.
AF001197
141
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