Hello, WDM doesn't exist for Windows NT 4. You would have to write a standard Windows NT 4 Kernel Driver using the Windows NT 4 DDK. See \NTDDK\src\mmedia\sndblst or \NTDDK\src\mmedia\sndsys for example code. Unfortunately that is as good as the examples get. Thank you, David A. Hoatson ----- Original Message ----- From: "MadhukarG" <madhukarg@xxxxxxxxxxxxxxxxxxxxx> To: <wdmaudiodev@xxxxxxxxxxxxx> Sent: Thursday, October 02, 2003 10:57 PM Subject: [wdmaudiodev] Audio Driver for Win NT > Hi All, > I have developed an audio adapter driver for Windows 2000 and > Windows XP. I used DDK sample AC97 WDM driver and modified according to my > requirement. Now i want to develop an audio adapter driver for Window NT > 4.0. I went through Windows NTDDK and started using NTDDK sample SNDSYS. Iam > little confused and unclear if this sample would work out for me. I want to > know if this sample is closer match for ac97 audio driver or if there are > any other samples or any link where i can find WDM audio adapter driver for > Window NT. > > Any help would be appreciated. > Thanks in Adavance. > > Regards, > Madhukar. > > > > > ****************** > > WDMAUDIODEV addresses: > Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx > Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe > Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe > Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx > > URL to WDMAUDIODEV page: > http://www.wdmaudiodev.de/ > ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.de/