Kontron AT8242 - Manual (Page 31)

15 AT8242
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2.9 Redundant IPMC Firmware & BootBlock
The IPMC runs a firmware from SPI flash memory. The IPMC Boot Block saves the last two copies of the IPMC
firmware image, manages bank states and can rollback to the previous firmware image in flash in case of
update problem.
2.10 LEDs Description
The following table lists the LED on the faceplate (not counting the RJ-45 Ethernet LED).
Table 2-4:Faceplate LEDs
2.10.1 Hot Swap LED (LED0)
The Blue / Hot Swap LED indicates the hot swap status of the unit. The LED is ON when it is safe to remove the
unit from the slot. During normal operation, this LED is OFF.
Solid On (100 % on): FRU Inactive
Long Blink ( 90 % on): FRU Activation Request
Solid Off ( 0 % on): FRU Activation In Progress / FRU Active
Short Blink ( 10 % on): FRU Deactivation Request / FRU Deactivation In Progress
2.10.2 Out Of Service (LED1)
The AdvancedTCA LED1 is red or amber and indicates an Out-of-Service (OOS) condition. During normal
operation, the OOS LED is OFF. This LED is ON when IPMC is in reset or starting up, and is user configurable if
needed by a customer application.
Solid On: IPMC in reset or starting up
Note:
The IPMC has an external hardware watchdog.
LED Name Color Controlled by Description
ATCA0 Blue IPMC Blade Hot Swap status
ATCA1 Amber/Red IPMC Blade OOS (out-of-service)
ATCA2 Amber/Green IPMC Healthy status
User LED Amber/Green IPMC User LED