Microsoft KB Archive/126020

= You receive an "INACCESSIBLE BOOT DEVICE" error message after you install Windows NT 3.5 =

Article ID: 126020

Article Last Modified on 11/1/2006

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APPLIES TO


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

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This article was previously published under Q126020



SYMPTOMS
When you install Windows NT on an Intel Xpress Deskside/MX 66Mhz Dual Pentium, your computer stops responding (hangs) for about ten minutes, after Setup reboots the computer the first time. The following error message appears:

  INACCESSIBLE BOOT DEVICE

This problem occurs when Setup selects MPS 1.1 Multiprocessor PC as the system type. This problem does not occur when you select Standard PC.

NOTE: Selecting MPS 1.1 Multiprocessor PC causes HALMPS.DLL to be installed. Selecting Standard PC causes HAL.DLL to be installed.



CAUSE
Older Mylex Firmware doesn't respond in the time-out period allotted during the SCSI ENQUIRY2 command initialization.



STATUS
Microsoft has confirmed this to be a problem in Windows NT Workstation and Windows NT Server version 3.5. This problem has been corrected in the latest U.S. Service Pack for Windows NT version 3.5. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

  S E R V P A C K

Additional query words: crash install blue screen prodnt express

Keywords: KB126020

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