Identifying The System That Contains The Part To Replace; Leds On The 8001-12C Or 8005-12N System - IBM CS821 Service Manual

8. For thermal performance, ensure that the top cover is on when the system is running.
9. If you are installing new hardware in a logical partition, you need to understand and plan for the
implications of partitioning your system. For information, see Logical Partitioning.

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 8001-12C or 8005-12N system

Use this information as a guide to the LEDs on the IBM Power System S821LC (8001-12C) or the IBM
CS821 (8005-12N) 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 76.
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.
Figure 76. LEDs on the front of the system
LEDs are also located on the rear of the system; see Figure 77 on page 69.
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Power Systems: Servicing the IBM Power System S821LC (8001-12C) or the IBM CS821 (8005-12N)