Microsoft KB Archive/153941

= Install May Stop Responding on SCSI Drives Greater Than 8.4 GB =

Article ID: 153941

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51

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This article was previously published under Q153941



SYMPTOMS
When you install Windows NT on a very large capacity SCSI drive (such as a Seagate ST410-800N 10 GB SCSI drive), the system may stop responding during the three-boot-floppy disk phase of the installation process, when Windows NT attempts to load the SCSI device driver.



CAUSE
The Translation For Drives Greater Than 2GB option may be enabled on a SCSI controller with the large capacity SCSI drive attached.

The maximum drive size that can be translated by a SCSI controller BIOS is computed as follows:

  255 heads x 63 sectors/track x 1024 cylinders x 512 bytes/sector = 8,422,686,720 bytes or 8.4 GB



RESOLUTION
Disable Translation For Drives Greater Than 2GB in the SCSI adapter BIOS before you install Windows NT.

For additional information on drive translation and disk partitioning, please see the following articles in the Microsoft Knowledge Base:

114841Windows NT Boot Process and Hard Disk Constraints

138364Windows NT Partitioning Rules During Setup

Additional query words: Adaptec 2940 Seagate ST410-800N

Keywords: KB153941

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