SK0-003 · Question #159
Which of the following devices is used to provide appropriate voltage to the CPU?
The correct answer is B. VRM. The Voltage Regulator Module (VRM) is the device responsible for providing the precise and stable voltage required by the CPU from the motherboard's power rails.
Question
Which of the following devices is used to provide appropriate voltage to the CPU?
Options
- ARedundant power supply
- BVRM
- CHeat sink
- DHBAs
How the community answered
(43 responses)- A2% (1)
- B91% (39)
- C2% (1)
- D5% (2)
Why each option
The Voltage Regulator Module (VRM) is the device responsible for providing the precise and stable voltage required by the CPU from the motherboard's power rails.
A redundant power supply provides backup power to the entire system in case of failure, but it does not regulate the specific voltage delivered to the CPU.
The Voltage Regulator Module (VRM) is a circuit on the motherboard that efficiently converts the standard 12V or 5V power supply input into the much lower, precise operating voltage (e.g., 0.8V to 1.5V) that the CPU requires, ensuring stable power delivery.
A heat sink is a passive cooling component that dissipates heat generated by the CPU to prevent overheating, and it does not provide electrical voltage.
An HBA (Host Bus Adapter) is an expansion card that connects a server to storage devices or a storage network, which is unrelated to CPU voltage regulation.
Concept tested: CPU voltage regulation
Source: https://www.intel.com/content/www/us/en/developer/articles/technical/processor-power-delivery-guidelines.html
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