Motorola ATCA-717 - Manual (Page 61)

Face Plate Controls, Indicators, and Connectors
PENT/ATCA−717 61
LED Description
HDD After power−up or reset
If no valid BIOS image has been found, the LED is lit red and the
blade enters into BIOS crisis recovery mode.
a
Note that the enterring into BIOS crisis recovery mode can also be
enforced via the on−board switch SW2−4.
a
For further details about the BIOS crisis recovery mode, refer
to
a section "BIOS Crisis Recovery Mode" on page a 86.
During booting
During booting this LED indicates the boot status. For each task the
BIOS POST executes, the LED is toggled between red and green.
a
During normal blade operation:
Now the LED indicates the combined parallel/serial ATA activity or is
used as user LED. Toggling between both modes is done via the LED
control register
aa
In user mode:
Depending on the FPGA LED control register, the LED is either red,
green or OFF.
a
In parallel/serial ATA activity mode:
Green: Combined activity of parallel and serial ATA interfaces.
a
OFF: No activity
H/S FRU State Machine aa
During blade installation
Permanently blue: On−board IPMC powers up
Blinking blue: Blade communicates with shelf manager
OFF: Blade is active
During blade removal
Blinking blue: Blade notifies shelf manager of its desire to deactivate
Permanently blue: Blade is ready to be extracted
Keys
The blade provides one face plate reset key. a