Microsoft KB Archive/931263

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Article ID: 931263

Article Last Modified on 8/29/2007



APPLIES TO

  • Windows Vista Ultimate
  • Windows Vista Starter
  • Windows Vista Home Premium
  • Windows Vista Home Basic
  • Windows Vista Enterprise
  • Windows Vista Business 64-bit EN
  • Windows Vista Business
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition



SYMPTOMS

Windows Vista disk enumeration optimizations are disabled on certain Windows Vista-based computers that are using a hot swappable drive bay. This behavior may cause some perceived decrease in performance on start times.

CAUSE

This problem occurs because Windows Vista provides special handling of the hot swappable drive bay. The special handling resolves an issue that may occur because it can take 10 seconds for a hard disk drive device to fully spin up and to be recognized by Windows Vista when you hot swap the drive.

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Vista, x86-based versions
File name File version File size Date Time Platform
Aliide.sys 1.2.0.0 17,592 13-Jan-2007 03:01 x86
Amdide.sys 6.0.6000.20514 18,104 13-Jan-2007 03:01 x86
Atapi.sys 6.0.6000.20514 21,688 13-Jan-2007 03:01 x86
Ataport.sys 6.0.6000.20514 109,752 13-Jan-2007 03:02 x86
Cmdide.sys 2.0.7.0 19,128 13-Jan-2007 03:01 x86
Intelide.sys 6.0.6000.20514 17,592 13-Jan-2007 03:01 x86
Msahci.sys 6.0.6000.20514 25,784 13-Jan-2007 03:01 x86
Pciide.sys 6.0.6000.20514 16,056 13-Jan-2007 03:01 x86
Pciidex.sys 6.0.6000.20514 45,240 13-Jan-2007 03:02 x86
Update.mum Not applicable 2,024 15-Jan-2007 14:47 Not applicable
Viaide.sys 5.1.3790.150 20,152 13-Jan-2007 03:01 x86
X86_mshdc.inf_31bf3856ad364e35_6.0.6000.20514_none_dbd4b3af3d856474.manifest Not applicable 5,818 15-Jan-2007 14:48 Not applicable
Windows Vista, 64-bit versions
File name File version File size Date Time Platform
Aliide.sys 1.2.0.0 18,616 14-Jan-2007 14:51 x64
Amd64_mshdc.inf_31bf3856ad364e35_6.0.6000.20514_none_37f34f32f5e2d5aa.manifest Not applicable 5,820 15-Jan-2007 14:51 Not applicable
Amdide.sys 6.0.6000.20514 18,616 14-Jan-2007 14:51 x64
Atapi.sys 6.0.6000.20514 22,712 14-Jan-2007 14:51 x64
Ataport.sys 6.0.6000.20514 124,088 14-Jan-2007 14:53 x64
Cmdide.sys 2.0.7.0 20,664 14-Jan-2007 14:51 x64
Intelide.sys 6.0.6000.20514 19,128 14-Jan-2007 14:51 x64
Msahci.sys 6.0.6000.20514 27,832 14-Jan-2007 14:51 x64
Pciide.sys 6.0.6000.20514 16,056 14-Jan-2007 14:51 x64
Pciidex.sys 6.0.6000.20514 51,384 14-Jan-2007 14:52 x64
Update.mum Not applicable 2,024 15-Jan-2007 14:47 Not applicable
Viaide.sys 5.1.3790.150 20,664 14-Jan-2007 14:51 x64


STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages


For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates



Additional query words: Winx64 Windowsx64 64bit 64-bit Slim Select Bay and Ultra Slim Bay

Keywords: kbbug kbfix kbqfe kbprb kbexpertiseinter kbhotfixserver KB931263