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The Ethernet Switch Blade is equipped with a Random Access Memory (RAM) disk and three
Read-Only Memory (ROM) devices, including, a boot ROM and two application flash
Ethernet Switch Blade User's Guide release 3.2.2j page 156
Ethernet Switchblade has
been enabled by the
ShMM and starts to boot
Bootloader examines the
bootstring in the Boot
ROM
Loads image from Flash
device 1
Loads image from Flash
device 2
Begins execution of RAM
image
Cannot boot
OpenArchitect
Determines if
the bootstring
is dev 1
Determines if
the bootstring
is dev 2
Ethernet Switchblade has
been enabled by the
ShMM and starts to boot
Figure 12.1: OpenArchitect Boot Process