Microsoft KB Archive/264546

= Sound Card Drivers Are Upgraded After You Upgrade to Windows Me =

Article ID: 264546

Article Last Modified on 1/27/2007

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APPLIES TO


 * Microsoft Windows Millennium Edition

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This article was previously published under Q264546



If this article does not describe your hardware-related issue, please see the following Microsoft Web site to view more articles about hardware:

http://support.microsoft.com/default.aspx/w98?sid=460



SUMMARY
When you upgrade a version of Windows to Windows Millennium Edition (Me), your sound card drivers may be updated to Windows Driver Model (WDM) drivers. This article provides information about the WDM driver upgrade process.



Your Computer Already Uses WDM Drivers
If your Windows 98-based computer is using WDM drivers before you upgrade to Windows Me, the WDM driver is updated to the latest version that is available in Windows Me. Note that Windows Me may not contain an updated WDM driver for your sound card.

Your Computer Does Not Already Use WDM Drivers
If your Windows 98-based computer is not using WDM drivers before you upgrade to Windows Me, WDM drivers are installed during the upgrade process.

NOTE: Windows Me may not contain an updated WDM driver for your sound card, and if it does not, a WDM driver is not installed.

NeoMagic
If the following NeoMagic virtual device driver (.vxd) files exist, WDM drivers are installed:

NeoMagic 5:

Nmaudiov.vxd

Nm5aud.vxd

Nma2ss.vxd

Nma2ss.drv

Vymixd.vxd

NeoMagic 6:

Nmaudiod.drv

Nmaudiov.vxd

NOTE: This list may not include all of the NeoMagic vxd drivers.

Crystal Industry Standard Architecture (ISA)
If the following Crystal ISA .vxd files exist, WDM drivers are installed:

NOTE: If a version number is not included with a file name, it means all versions.

Cwbaudix.vxd 4.5.0.155

Cwbmidi.vxd 4.5.0.155

Cwbaudix.vxd 4.5.1.1998

Cwbmidi.vxd 4.5.1.1998

Cwaudio.vxd

Csfm.drv

Csmidi.vxd

Cs32ba11.drv

Cs4232ld.vxd

Cs4232ld.vxd 4.0.0.0

Aztech
If the following Aztech .vxd files exist, WDM drivers are installed:

Aztaudv.vxd 4.3.0.8

Aztaudv.vxd 4.3.0

Aztmpuv.vxd 4.2.0

Yamaha
If the following Yamaha OPL3-SAX .vxd files exist, WDM drivers are installed:

NOTE: If a version number is not included with a file name, it means all versions.

Opl3sax.sys 4.10.0.1998

Opl3sax.sys 4.10.0.2222

Opl3sax.sys 4.90

Vopl3sa.vxd

Msmpu401.vxd

Additional query words: HWSNDTS

Keywords: kbhardware kbinfo kbsound KB264546

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