Microsoft KB Archive/170275

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Article ID: 170275

Article Last Modified on 10/31/2006


  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Standard Edition

This article was previously published under Q170275


During Windows NT Setup, when the SCSI floppy disk driver loads from disk 3, the computer may stop responding (hang).


This problem may occur if your computer uses the BusLogic BT-946C SCSI host adapter and SCSI Disconnection is disabled.


Enable SCSI Disconnection on the host adapter by changing the Enable Disconnection value to Yes. You can change the value for individual drives and should enable SCSI disconnection for all drives.

NOTE: Most SCSI host adapters have SCSI Disconnection enabled by default. This same difficulty may affect other types of SCSI host adapters if SCSI Disconnection has been disabled on that device.

Press CTRL+B during startup to access the BusLogic BT-946C SCSI BIOS. For other types of adapters, refer to the manufacturer's documentation to access the SCSI BIOS.


This problem was duplicated using a BusLogic BT-946C SCSI Host Adapter with firmware version 4.22 and SCSI BIOS version 4.85-B.

Additional query words: BT946C BT946-C SCSI_FLOPPY_DRIVER

Keywords: kb3rdparty kbprb kbsetup KB170275