System Management: Boot Device Redirection (BDR)
ATCA-9305 User’s Manual 10009109-01
7-42

Figure 7-4: Boot Device Diagram

Note: The Boot Device Redirection mechanism is disabled when booting from the 512 KB socketed flash.

Figure 7-5: Boot Redirection Control Diagram

Initial boot attempt is from
ATCA-9305 soldered
flash bank 1
Boot device is 512
KB socketed flash
BDR Watchdog
disabled
512 KB socketed
flash installed on
ATCA-9305?
Yes
No
Jumper J11 [1:2]
shunt installed?
Yes
No
Secondary boot
attempt is from ATCA-
9305 soldered
flash bank 2
Yes
Flash bank 1
fail?
Yes
Flash bank 2
fail?
No
Boot from
flash bank 1
No
Boot from
flash bank 2
Management
Controller

Payload Reset

Force Boot Socket

I2C Port

Expander

Monitor Booted

Power Good

Payload Reset Indication

Private I2C

Boot Select [ ]

Payload Reset Indication Clear

Payload