Cisco UCS B22 M3 Указания по установке и обслуживанию - Страница 24
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• Partially populating a channel
• Unevenly populating DIMMs between CPUs
Memory Mirroring and RAS
The Intel CPUs within the blade server support memory mirroring only when no more than two Channels are populated with DIMMs.
If three Channels are populated with DIMMs, memory mirroring is automatically disabled. Furthermore, if memory mirroring is
used, DRAM size is reduced by 50% for reasons of reliability.
If the RAS (Reliability, Availability, and Serviceability) option is required, it is available only when Channel–3 is not populated.
Installing an mLOM Adapter
You must remove the adapter card to service it.
Note
To install a Cisco VIC 1240 or VIC 1340 in the blade server, follow these steps:
Procedure
Step 1
Position the VIC board connector above the motherboard connector and align the captive screw to the standoff post on
the motherboard.
Step 2
Firmly press the VIC board connector into the motherboard connector.
Step 3
Tighten the captive screw.
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