Tape Device Times Out on a Northwest Micro Pentium Computer

ID: Q131617

The information in this article applies to:

Microsoft Windows NT operating system version 3.1
Microsoft Windows NT Advanced Server version 3.1
Microsoft Windows NT Workstation versions 3.5, 3.51
Microsoft Windows NT Server versions 3.5, 3.51

SYMPTOMS

When you run the Windows NT Backup program (NTBACKUP.EXE) with a Sony 5200 DAT tape device connected to an Adaptec 1540 SCSI controller on a Northwest Micro Pentium computer, the following event appears in the Event Viewer:

Event ID: 7026
Source: Service Control Manager
Type: Error
Description: The following boot-start or system-start driver(s)
failed to load: AHA154x

NOTE: The backup operation may work correctly, but the restore operation may fail with the following error message:

No catalogue found

CAUSE

This problem occurs the tape device times out. The Northwest Micro Pentium computer is not listed in the Windows NT Hardware Compatibility List (HCL).

RESOLUTION

To correct this problem, you must modify the Registry.

WARNING: Using Registry Editor incorrectly can cause serious, system-wide problems that may require you to reinstall Windows NT to correct them. Microsoft cannot guarantee that any problems resulting from the use of Registry Editor can be solved. Use this tool at your own risk.

Start the Registry Editor (REGEDT32.EXE) and locate the following Registry subkey:
```
      HKEY_CURRENT_USER\Software\Microsoft\NTBackup\Hardware
 
```

From the Edit menu, select Add Value.

Add the following:


      Value Name: Drive Settling Time
      Data Type:  REG_SZ
      String: 120
  
      NOTE: The default value is 60.

The third-party products discussed here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words: prodnt 3.10 hrdwr

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