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http://www.techadvice.com/nt40/I/InstallServer.htm#8.4GB_Drive
Drives Larger then 8.4GB -
In order for NT 4.0 to properly work witha hard drive larger then 8.4GB you need to download the Service Pack4 ATAPI driver from the Microsoft site.
You can download the ATAPI file from Microsoft. A link to that file and full instructions are found at the Microsoft KB article Q197667.
If the Microsoft File is temporarily unavailable download it from this site.
...atapi.exe download, ( zipped file)
The Contents of this file are...
...atapi.sys
...disk1
...oemsetup.inf
...readme.txt
...txtsetup.oem
Once you download the file, copy it to a floppy disk and run the file ATAPI.exe in order to extract the contents to the floppy. Then label the diskette "Microsoft ATAPI Service Pack 4 IDE Driver."
Excerpt from the Microsoft article
Boot from the three setup disks supplied with Windows NT Server.
When asked if you would like setup to detect your mass storage devices, press S so that detection is skipped and you specify a mass storage device.
When setup list devices found, which should list , press S again and insert the Microsoft ATAPI Service Pack 4 IDE Driver disk and press ENTER twice.
After setup reads the disk and list the Microsoft ATAPI Service Pack 4 IDE driver, press ENTER to accept the driver.
Setup will now list Microsoft ATAPI Service Pack 4 IDE Driver as an installed driver. If you have additional drivers for other mass storage devices, press S; if not, press ENTER to continue through setup.
Setup should continue through normally but, it will prompt you to insert the disk labeled "Microsoft ATAPI Service Pack 4 IDE Driver Support Disk" at the copy phase after you have chosen or formatted a partition on a hard drive.
