Dell DIAG398c Free Driver Download (Official)

Dell DIAG398c Free Driver Download (Official)  for Windows 2000, NT4, ME, 98, 95
9 Ratings (see all reviews)

Supported Models

DIAG398c Driver
Latitude C540 Driver



Supported Operating Systems

Windows 2000, Windows NT4, Windows ME, Windows 98, Windows 95

File Name

DIAG398c.EXE (964.2 KB)


2.3, A11 (16 Jul 2002)

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Uploader Notes

System Utilities: Intel SpeedStep, Driver, Multi OS, Korean, Latitude C540 / C640, v.2.3, A11

Intel® SpeedStep™ technology lets you customize high performance computing on your mobile PC. When the notebook computer is connected to the AC outlet, the new mobile PC runs the most complex business and Internet applications with speed virtually identical to a desktop system. When powered by a battery, the processor drops to a lower frequency (by changing the bus ratios) and voltage, conserving battery life while maintaining a high level of performance. Manual override lets you boost the frequency back to the high frequency when on battery, allowing you to customize performance.

Uploaded By

Alagappan (DG Staff Member) on 2005-01-17 08:05:17

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