A+ Question of the Week: SCSI ID

AplusQOW1If you are installing an optical drive on an existing SCSI chain with an adapter and a hard drive already installed, what SCSI ID is recommended for the optical drive?

A. 0
B. 2
C. 3
D. 7

The correct answer is C.

The industry recommends an ID for optical drives in the middle of the adapter (7) and the hard drive, which it recommends be set to 0 to lower its priority so that the slower optical drive can be set to a higher priority to prevent the attention-hungry hard drive from depriving it of attention.

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