IBM 7945E2U User Manual - Page 50

System-board optional device connectors, Description, Action

Page 50 highlights

Table 6. System-pulse LEDs (continued) LED Description Action IMM heartbeat Indicates the status of the boot process of the IMM. When the server is connected to power this LED flashes quickly to indicate that the IMM code is loading. When the loading is complete, the LED stops flashing briefly and then flashes slowly to indicate that the IMM if fully operational and you can press the power-control button to start the server. If the LED does not begin flashing within 30 seconds of when the server is connected to power, complete the following steps: 1. (Trained service technician only) Use the IMM recovery jumper to recover the firmware (see Table 3 on page 30). 2. (Trained service technician only) Replace the system board. System-board optional device connectors The following illustration shows the connectors on the system board for user-installable options. 34 System x3650 M3 Types 4255, 7945, and 7949: Installation and User's Guide

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Table 6. System-pulse LEDs (continued)
LED
Description
Action
IMM heartbeat
Indicates the status of the
boot process of the IMM.
When the server is
connected to power this LED
flashes quickly to indicate
that the IMM code is loading.
When the loading is
complete, the LED stops
flashing briefly and then
flashes slowly to indicate that
the IMM if fully operational
and you can press the
power-control button to start
the server.
If the LED does not begin
flashing within 30 seconds of
when the server is connected
to power, complete the
following steps:
1.
(Trained service
technician only) Use the
IMM recovery jumper to
recover the firmware (see
Table 3 on page 30).
2.
(Trained service
technician only) Replace
the system board.
System-board optional device connectors
The following illustration shows the connectors on the system board for
user-installable options.
34
System x3650 M3 Types 4255, 7945, and 7949: Installation and User’s Guide