FIX: You may experience a decrease in performance when you connect a Windows CE 5.0-based device to a USB-based mass storage device (916455)



The information in this article applies to:

  • Microsoft Windows CE 5.0

SYMPTOMS

When you connect a Microsoft Windows CE 5.0-based device to a USB-based mass storage device, you may experience a decrease in the performance of the Windows CE 5.0-based device.

RESOLUTION

Software update information

A supported software update is now available from Microsoft as Windows CE 5.0 Core OS QFE 916455. To resolve this problem immediately, click the following article number for information about obtaining Windows CE Platform Builder and core operating system software updates:

837392 How to locate core operating system fixes for Microsoft Windows CE Platform Builder products

Prerequisites

This update is supported only if all previous updates for this product are also installed.

Restart requirement

After you install this update, you must perform a clean build of the whole operating system. To clean the operating system, click Clean on the Build menu. To build the operating system, click Build Platform on the Build menu. You do not have to restart the computer after you install this update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this package has the file attributes (or later file attributes) that are listed in the following table.
File nameFile sizeDateTime
Wincepb50-060531-kb916455-armv4i.msi1,679,36031-May-200621:48
Wincepb50-060531-kb916455-mipsii.msi1,684,48031-May-200621:48
Wincepb50-060531-kb916455-mipsii_fp.msi1,685,50431-May-200621:48
Wincepb50-060531-kb916455-mipsiv.msi1,701,88831-May-200621:48
Wincepb50-060531-kb916455-mipsiv_fp.msi1,702,40031-May-200621:48
Wincepb50-060531-kb916455-sh4.msi1,185,28031-May-200621:48
Wincepb50-060531-kb916455-x86.msi1,127,42431-May-200621:48
The English version of this update 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.
File nameFile sizeDateTimePath
Usbclient.c37,41615-Mar-200601:18public\common\oak\drivers\usb\class\common
Bot.c22,46615-Mar-200601:18public\common\oak\drivers\usb\class\storage\class
Usbmsc.c39,83515-Mar-200601:18public\common\oak\drivers\usb\class\storage\class
Cd.c7,62115-Mar-200601:18public\common\oak\drivers\usb\class\storage\disk\scsi2
Disk.c54,55115-Mar-200601:18public\common\oak\drivers\usb\class\storage\disk\scsi2
Scsi2.c47,35615-Mar-200601:18public\common\oak\drivers\usb\class\storage\disk\scsi2
Usbmsc.h6,03515-Mar-200601:18public\common\oak\drivers\usb\class\storage\inc
Chw.cpp39,13415-Mar-200601:18public\common\oak\drivers\usb\hcd\ohcd2
Ohcdmdd2.lib462,30815-Mar-200601:09public\common\oak\lib\armv4i\debug
Ohci_lib.lib28,92015-Mar-200601:09public\common\oak\lib\armv4i\debug
Pxa27x_ohci.lib1,062,76815-Mar-200601:10public\common\oak\lib\armv4i\debug
Usbclient.lib64,36815-Mar-200601:10public\common\oak\lib\armv4i\debug
Usbdisk6_lib.lib238,76615-Mar-200601:10public\common\oak\lib\armv4i\debug
Usbhid_lib.lib158,68015-Mar-200601:10public\common\oak\lib\armv4i\debug
Usbmsc_lib.lib185,47015-Mar-200601:10public\common\oak\lib\armv4i\debug
Usbprn_lib.lib173,59015-Mar-200601:10public\common\oak\lib\armv4i\debug
Ohcdmdd2.lib257,24615-Mar-200601:09public\common\oak\lib\armv4i\retail
Ohci_lib.lib20,78015-Mar-200601:09public\common\oak\lib\armv4i\retail
Pxa27x_ohci.lib535,30415-Mar-200601:10public\common\oak\lib\armv4i\retail
Usbclient.lib34,21615-Mar-200601:09public\common\oak\lib\armv4i\retail
Usbdisk6_lib.lib81,59615-Mar-200601:09public\common\oak\lib\armv4i\retail
Usbhid_lib.lib62,78015-Mar-200601:09public\common\oak\lib\armv4i\retail
Usbmsc_lib.lib63,41015-Mar-200601:09public\common\oak\lib\armv4i\retail
Usbprn_lib.lib61,06615-Mar-200601:09public\common\oak\lib\armv4i\retail
Au1ohcd_lib.lib1,047,79825-Feb-200616:12public\common\oak\lib\mipsii\debug
Ohcdmdd2.lib471,03015-Mar-200601:11public\common\oak\lib\mipsii\debug
Ohci_lib.lib28,90415-Mar-200601:11public\common\oak\lib\mipsii\debug
Usbclient.lib65,52015-Mar-200601:11public\common\oak\lib\mipsii\debug
Usbdisk6_lib.lib241,72615-Mar-200601:11public\common\oak\lib\mipsii\debug
Usbhid_lib.lib166,37415-Mar-200601:11public\common\oak\lib\mipsii\debug
Usbmsc_lib.lib189,69215-Mar-200601:11public\common\oak\lib\mipsii\debug
Usbprn_lib.lib179,23015-Mar-200601:11public\common\oak\lib\mipsii\debug
Au1ohcd_lib.lib495,24825-Feb-200613:43public\common\oak\lib\mipsii\retail
Ohcdmdd2.lib243,79415-Mar-200601:10public\common\oak\lib\mipsii\retail
Ohci_lib.lib19,02815-Mar-200601:10public\common\oak\lib\mipsii\retail
Usbclient.lib36,13815-Mar-200601:10public\common\oak\lib\mipsii\retail
Usbdisk6_lib.lib83,41015-Mar-200601:11public\common\oak\lib\mipsii\retail
Usbhid_lib.lib64,74815-Mar-200601:11public\common\oak\lib\mipsii\retail
Usbmsc_lib.lib65,44815-Mar-200601:11public\common\oak\lib\mipsii\retail
Usbprn_lib.lib62,39015-Mar-200601:11public\common\oak\lib\mipsii\retail
Au1ohcd_lib.lib1,047,89425-Feb-200621:12public\common\oak\lib\mipsii_fp\debug
Ohcdmdd2.lib471,07015-Mar-200601:12public\common\oak\lib\mipsii_fp\debug
Ohci_lib.lib28,91415-Mar-200601:13public\common\oak\lib\mipsii_fp\debug
Usbclient.lib65,53415-Mar-200601:13public\common\oak\lib\mipsii_fp\debug
Usbdisk6_lib.lib241,75415-Mar-200601:13public\common\oak\lib\mipsii_fp\debug
Usbhid_lib.lib166,40815-Mar-200601:13public\common\oak\lib\mipsii_fp\debug
Usbmsc_lib.lib189,72215-Mar-200601:13public\common\oak\lib\mipsii_fp\debug
Usbprn_lib.lib179,25215-Mar-200601:13public\common\oak\lib\mipsii_fp\debug
Au1ohcd_lib.lib495,33025-Feb-200618:45public\common\oak\lib\mipsii_fp\retail
Ohcdmdd2.lib243,81815-Mar-200601:12public\common\oak\lib\mipsii_fp\retail
Ohci_lib.lib19,03415-Mar-200601:12public\common\oak\lib\mipsii_fp\retail
Usbclient.lib36,16815-Mar-200601:12public\common\oak\lib\mipsii_fp\retail
Usbdisk6_lib.lib83,42615-Mar-200601:12public\common\oak\lib\mipsii_fp\retail
Usbhid_lib.lib64,77615-Mar-200601:12public\common\oak\lib\mipsii_fp\retail
Usbmsc_lib.lib65,48015-Mar-200601:12public\common\oak\lib\mipsii_fp\retail
Usbprn_lib.lib62,41215-Mar-200601:12public\common\oak\lib\mipsii_fp\retail
Au1ohcd_lib.lib1,057,45426-Feb-200602:07public\common\oak\lib\mipsiv\debug
Ohcdmdd2.lib474,93615-Mar-200601:15public\common\oak\lib\mipsiv\debug
Ohci_lib.lib29,30015-Mar-200601:15public\common\oak\lib\mipsiv\debug
Usbclient.lib66,53615-Mar-200601:15public\common\oak\lib\mipsiv\debug
Usbdisk6_lib.lib244,26215-Mar-200601:15public\common\oak\lib\mipsiv\debug
Usbhid_lib.lib167,38615-Mar-200601:15public\common\oak\lib\mipsiv\debug
Usbmsc_lib.lib191,62815-Mar-200601:15public\common\oak\lib\mipsiv\debug
Usbprn_lib.lib180,63615-Mar-200601:15public\common\oak\lib\mipsiv\debug
Au1ohcd_lib.lib497,86625-Feb-200623:38public\common\oak\lib\mipsiv\retail
Ohcdmdd2.lib244,65615-Mar-200601:13public\common\oak\lib\mipsiv\retail
Ohci_lib.lib19,16015-Mar-200601:13public\common\oak\lib\mipsiv\retail
Usbclient.lib36,43615-Mar-200601:14public\common\oak\lib\mipsiv\retail
Usbdisk6_lib.lib84,13615-Mar-200601:14public\common\oak\lib\mipsiv\retail
Usbhid_lib.lib65,31615-Mar-200601:14public\common\oak\lib\mipsiv\retail
Usbmsc_lib.lib65,65215-Mar-200601:14public\common\oak\lib\mipsiv\retail
Usbprn_lib.lib62,71415-Mar-200601:14public\common\oak\lib\mipsiv\retail
Au1ohcd_lib.lib1,057,55026-Feb-200607:06public\common\oak\lib\mipsiv_fp\debug
Ohcdmdd2.lib474,97615-Mar-200601:16public\common\oak\lib\mipsiv_fp\debug
Ohci_lib.lib29,31015-Mar-200601:16public\common\oak\lib\mipsiv_fp\debug
Usbclient.lib66,55015-Mar-200601:16public\common\oak\lib\mipsiv_fp\debug
Usbdisk6_lib.lib244,29015-Mar-200601:17public\common\oak\lib\mipsiv_fp\debug
Usbhid_lib.lib167,42015-Mar-200601:17public\common\oak\lib\mipsiv_fp\debug
Usbmsc_lib.lib191,65815-Mar-200601:17public\common\oak\lib\mipsiv_fp\debug
Usbprn_lib.lib180,65815-Mar-200601:17public\common\oak\lib\mipsiv_fp\debug
Au1ohcd_lib.lib497,95226-Feb-200604:35public\common\oak\lib\mipsiv_fp\retail
Ohcdmdd2.lib244,67815-Mar-200601:15public\common\oak\lib\mipsiv_fp\retail
Ohci_lib.lib19,16415-Mar-200601:16public\common\oak\lib\mipsiv_fp\retail
Usbclient.lib36,46815-Mar-200601:16public\common\oak\lib\mipsiv_fp\retail
Usbdisk6_lib.lib84,15415-Mar-200601:16public\common\oak\lib\mipsiv_fp\retail
Usbhid_lib.lib65,34815-Mar-200601:16public\common\oak\lib\mipsiv_fp\retail
Usbmsc_lib.lib65,68415-Mar-200601:16public\common\oak\lib\mipsiv_fp\retail
Usbprn_lib.lib62,73415-Mar-200601:16public\common\oak\lib\mipsiv_fp\retail
Ohcdmdd2.lib416,35615-Mar-200601:08public\common\oak\lib\sh4\debug
Ohci_lib.lib26,38215-Mar-200601:08public\common\oak\lib\sh4\debug
Usbclient.lib57,50815-Mar-200601:08public\common\oak\lib\sh4\debug
Usbdisk6_lib.lib211,95415-Mar-200601:08public\common\oak\lib\sh4\debug
Usbhid_lib.lib141,81615-Mar-200601:08public\common\oak\lib\sh4\debug
Usbmsc_lib.lib166,17415-Mar-200601:08public\common\oak\lib\sh4\debug
Usbprn_lib.lib157,03215-Mar-200601:08public\common\oak\lib\sh4\debug
Ohcdmdd2.lib224,78015-Mar-200601:07public\common\oak\lib\sh4\retail
Ohci_lib.lib17,69615-Mar-200601:07public\common\oak\lib\sh4\retail
Usbclient.lib32,28615-Mar-200601:07public\common\oak\lib\sh4\retail
Usbdisk6_lib.lib77,06215-Mar-200601:08public\common\oak\lib\sh4\retail
Usbhid_lib.lib60,00015-Mar-200601:07public\common\oak\lib\sh4\retail
Usbmsc_lib.lib59,74615-Mar-200601:08public\common\oak\lib\sh4\retail
Usbprn_lib.lib57,28015-Mar-200601:07public\common\oak\lib\sh4\retail
Ohcdmdd2.lib383,05815-Mar-200601:06public\common\oak\lib\x86\debug
Ohci_lib.lib24,42615-Mar-200601:06public\common\oak\lib\x86\debug
Usbclient.lib56,44215-Mar-200601:06public\common\oak\lib\x86\debug
Usbdisk6_lib.lib209,45215-Mar-200601:07public\common\oak\lib\x86\debug
Usbhid_lib.lib140,93015-Mar-200601:07public\common\oak\lib\x86\debug
Usbmsc_lib.lib166,12215-Mar-200601:07public\common\oak\lib\x86\debug
Usbprn_lib.lib156,09615-Mar-200601:07public\common\oak\lib\x86\debug
Ohcdmdd2.lib221,08215-Mar-200601:06public\common\oak\lib\x86\retail
Ohci_lib.lib18,84015-Mar-200601:06public\common\oak\lib\x86\retail
Usbclient.lib31,44815-Mar-200601:06public\common\oak\lib\x86\retail
Usbdisk6_lib.lib73,43815-Mar-200601:06public\common\oak\lib\x86\retail
Usbhid_lib.lib56,90415-Mar-200601:06public\common\oak\lib\x86\retail
Usbmsc_lib.lib59,65215-Mar-200601:06public\common\oak\lib\x86\retail
Usbprn_lib.lib55,86615-Mar-200601:06public\common\oak\lib\x86\retail

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, 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


Modification Type:MinorLast Reviewed:7/26/2006
Keywords:kbBug kbfix kbQFE kbpubtypekc KB916455 kbAudITPRO kbAudDeveloper