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Question 460 - 220-1101 discussion

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A technician is selecting RAM for a new high-end workstation. The motherboard has eight slots that support DDR5 memory. Which of the following should the technician do to optimize performance?

A.
Use the minimum number of modules.
Answers
A.
Use the minimum number of modules.
B.
Increase the virtual RAM.
Answers
B.
Increase the virtual RAM.
C.
Increase memory timings.
Answers
C.
Increase memory timings.
D.
Utilize all channels.
Answers
D.
Utilize all channels.
Suggested answer: D

Explanation:

The best option that the technician should do to optimize performance is D. Utilize all channels. This option means that the technician should install the RAM modules in a way that maximizes the number of memory channels that are used by the motherboard. Memory channels are pathways that connect the memory controller to the RAM modules, and they allow data to be transferred between them. The more memory channels that are used, the higher the memory bandwidth and performance1.

DDR5 memory supports up to eight memory channels per module, which is twice as many as DDR42.

However, not all motherboards can support eight channels per module, and some may only support four or two channels per module. Therefore, the technician should check the motherboard specifications and manual to determine how many memory channels it supports and how to install the RAM modules accordingly.

For example, if the motherboard supports four channels per module, then the technician should install four RAM modules in slots 1, 3, 5, and 7 to use all 16 available channels. If the motherboard supports two channels per module, then the technician should install eight RAM modules in all slots to use all 16 available channels. If the technician installs fewer modules than the number of slots, then some channels will be left unused and the performance will be lower1.

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asked 02/10/2024
Albert Smith
39 questions
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