A technician is troubleshooting an IDE hard drive that is emitting a humming sound. They suspect a faulty connector. Which of the following voltages should be supplied through the power connector to…

The correct answer is B. 5V E. 12V. IDE hard drives use a 4-pin Molex power connector that provides two voltages: +5V (used by the drive's logic/controller board) and +12V (used by the drive's spindle motor and actuator arm). The humming sound could indicate the spindle motor (powered by the 12V rail) is…

Hardware

Question

A technician is troubleshooting an IDE hard drive that is emitting a humming sound. They suspect a faulty connector. Which of the following voltages should be supplied through the power connector to an IDE hard drive? (Select TWO).

Options

A3V
B5V
C5.5V
D9V
E12V
F20V

How the community answered

(34 responses)

B
94% (32)
C
3% (1)
F
3% (1)

Explanation

IDE hard drives use a 4-pin Molex power connector that provides two voltages: +5V (used by the drive's logic/controller board) and +12V (used by the drive's spindle motor and actuator arm). The humming sound could indicate the spindle motor (powered by the 12V rail) is struggling due to an inadequate or faulty power connection. None of the other voltages (3V, 5.5V, 9V, 20V) are part of the standard Molex power specification for IDE devices.

Topics

#IDE hard drive#power connector#voltage rails#Molex connector

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