Technical data

LED Indicators
HP bc2100 ATCA Server Blade
Chapter 2
111
Out of Service (OOS) LED
The HP bc2100 ATCA Server Blade supports one bi-color Out of Service (OOS) LED, mounted on the front
faceplate. The OOS LED is identified by the following graphical legend on the faceplate, as shown in
Figure 2-17:
The OOS LED can be driven to display a red or amber color. When this LED is lit, it indicates that the board
is not in service. Its back-end (payload) power could be OFF or ON. Often the OOS state is entered when a
critical fault occurs on the board. In this state, the back-end (payload) power is turned OFF. A board could be
in this state when its back-end power is OFF but healthy, or when a board is fully powered but not yet
deployed, or during the reset process.
NOTE Do not extract a board unless the Hot-Swap LED is lit.
The default color and override capabilities of the LED follow the LED management requirements defined in
Section 3.2.5 of the PICMG 3.0 Specification. It is possible to override the default IPMC behavior of the LED
using ATCA FRU LED Control commands.
Health LED
The HP bc2100 ATCA Server Blade supports one bi-color health LED to indicate the HP bc2100 ATCA Server
Blade’s health status, such as, whether a fault or error condition has been detected on the HP bc2100 ATCA
Server Blade. This LED is mounted on the front faceplate, and is identified by the following graphical legend:
The Health LED is driven by the onboard IPMC. The health LED will only be driven to an error condition
(red) if there is a critical or non-recoverable (major or critical in ATCA parlance) condition active on the HP
bc2100 ATCA Server Blade. Alarms could include exceeding sensor thresholds for temperature and on-board
logic voltages. The health LED remains red until the sensors return to a normal operating value. Hard-drive
failures, boot failures, etc. are not considered critical/major IPMI states, so the IPMC does not explicitly set
the health LED in these cases.
Table 2-23 OOS LED (D59)
LED State Meaning
Off In service
Solid Amber/Red Fault or error condition