Microsoft KB Archive/95749

= Windows NT Err Msg: &quot;AERead...Boot I/O Reading Disk&quot;(PS/2 95) =

Article ID: 95749

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Advanced Server 3.1
 * Microsoft Windows NT Workstation 3.1

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This article was previously published under Q95749



SUMMARY
You may encounter the following error:

AERead: Status=00002001

Boot I/O Reading Disk

or your machine may hang if you run Windows NT on an IBM PS/2 model 95. These problems may be caused by an error in the IBM PS/2 model 95 XP 486 Reference Disk version 1.20.

IBM has verified this to be a problem with the reference disk and is currently working on an update.



MORE INFORMATION
On many IBM PS/2 models, hardware support and diagnostic code is installed from the reference disk to a reserved area of the fixed disk. Depending on the reference disk used to set up a given machine, some PS/2 95s may exhibit the problem and others may not. Just switching to a reference disk from a machine which works does not solve the problem since the reference disks are matched to processor cards specific to any given machine.

The coding error in version 1.20 of the PS/2 model 95 XP reference disk may also cause erroneous memory readings if you execute the MS-DOS MEM command on a system set up with this reference disk.

Additional query words: prodnt BIOS error failed controller

Keywords: kb3rdparty KB95749

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