Keys

Keys explains the functions of all the keystrokes that can be used in the Dell

Diagnostics.

Device Group

Device Group describes the device group that is presently highlighted in the Device Groups list on the main menu screen. It also provides reasoning for using some

tests.

Device

Device is the educational section of the online Help. It describes the function and purpose of the highlighted device in the Device Groups area. For example, the following information appears when you select Device for Diskette in the

Device Groups list:

Diskette drive A:

The diskette disk drive device reads and writes data to and from diskettes. Diskettes are flexible recording media, sometimes contained in hard shells. Diskette recording capacities are small and access times are slow relative to hard disk drives, but they provide a convenient means of storing and transferring data.

Test

Test provides a thorough explanation of the subtest highlighted for a selected device group. For example, the following description is provided for the Diskette Drive Seek

Test:

Diskette drive A: - Diskette Drive Seek Test

This test verifies the drive's ability to position its read/write heads. The test operates in two passes: first, seeking from the beginning to ending cylinders inclusively, and second, seeking alternately from the beginning to ending cylinders with convergence towards the middle.

Versions

Versions lists the version numbers of the subtests that are used by the Dell

Diagnostics.

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Basic Troubleshooting 3-33

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Dell 7500 manual Keys, Device Group, Test, Versions