Figure 131. firmware update block diagram, Intel – Intel SR9000MK4U User Manual

Page 163

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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.