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/