Lenovo ThinkServer n400, Инструкция по установке и обслуживанию

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e. Check the hard disk drive status LED to verify that the hard disk drive is operating correctly. If
the yellow hard disk drive status LED of a drive is lit continuously, that drive is faulty and must
be replaced. If the green hard disk drive activity LED is flashing, the drive is being accessed.
Note:
1. If the server is configured for RAID operation with a RAID adapter, you may have
to reconfigure disk arrays after installing hard disk drives. See the RAID adapter
documentation for additional information about RAID operation and complete instructions
for using the RAID adapter.
2. With onboard RAID controller, only 4 drives are available for RAID arrays.
Step 4. If you are installing additional hot-swap hard disk drives, do so now.
Removing a DIMM
Use this information to remove a memory module.
Read the safety information in “Safety” on page v and “Installation guidelines” on page 75.
If you are replacing a server component or installing an optional device in the server, you need to take
out the node out from the rack enclosure, turn off the server and peripheral devices, and disconnect all
external cables.
To remove a dual inline memory module (DIMM), complete the following steps.
Step 1. Remove the compute node (see “Removing a compute node from a chassis” on page 77).
Step 2. Remove the air baffle (see “Removing the air baffle” on page 86).
Step 3. Carefully open the retaining clips on each end of the DIMM connector and remove the DIMM.
Attention: To avoid breaking the retaining clips or damaging the DIMM connectors, handle the
clips gently.
DIMM
Retaining
clip
Alignment tab
Alignment
slot
Figure 32. DIMM removal
Chapter 5
.
Removing and replacing server components
93