IBM 9006-12C, Руководство пользователя

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8. For thermal performance, ensure that the top cover is on when the system is running.
Identifying the system that contains the part to replace
Learn how to determine which system has the part you want to replace.
LEDs on the 9006-12C system
Use this information as a guide to the LEDs on the IBM Power System LC921 (9006-12C) system.
The LEDs indicate various system status. If the part does not have a problem indicator LED, you can use
a troubleshooting program such as
impitool
to identify the issue.
The front LEDs are shown in Figure 83.
v
The green LED (6) indicates the power status.
v The identify LED (2) can indicate the following states:
– Solid blue indicates that the local UID button was pressed.
– Flashing blue indicates that a remote UID command was run.
– Solid red indicates that the system is overheated.
– Flashing red at 1 Hz indicates that a fan failed.
– Flashing red at 0.25 Hz indicates that a power supply failed.
v The amber LED (5) flashes when there is SATA drive activity, for SATA drives directly attached to the
system backplane.
v The network activity LEDs (3) and (4) flash when there is network activity on the feature EKA6 four
port network card.
LEDs are also located on the rear of the system; see Figure 84 on page 77.
The identify LED is at (2). Turn it on by using a system identify command or by pressing the UID button.
Figure 83. LEDs on the front of the system
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Power Systems: Servicing the IBM Power System LC921 (9006-12C)