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Windows NT version 4.0 Service Pack 4 (SP4) systems access the hard diskapproximately every five minutes. This access interferes with PowerManagement. For example, if your hard disk spins-down after a few minutesof inactivity, the hard disk will spin-up every five minutes.
The Event Log service in Service Pack 4 maintains a time stamp on the harddisk. This time stamp is used to approximate system shutdown time wheneverWindows NT is not properly shut down. By default, the time stamp is updatedevery five minutes. This feature was intended to operate only on Windows NTServer systems. Unfortunately, it is also enabled by default on Windows NTWorkstation systems.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
152734 how to obtain the latest windows nt 4.0 service pack
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web: