//***************** C-Media AC97 NT4 driver Release Note ******************// (Support ALI(sis7018+Ali5451 ) 2002/10/01 - Unify the codec's output string to "C-Media AC97 xxxx" (ex. Mixer/Wave Out/Stereo In/Midi Out). - Fixed a bug: Mic Boost enable function. - Fixed a bug: Cmi9739: Master/Waveout volume control. -Fixed a bug: Moving Waveout Volume when Mater volume is mute on Cmi9739. 2002/08/19 Version: 4.10.00.0008b - Adjust Volume's gain value Date: 2002/08/02 Version: 4.10.00.0007b - Fixed a bug: Master Volume Constrol 2002/07/30 Version: 4.10.00.0006b - Fixed a bug: Move the balance of master volume to left and CD-In's to right most, it should be silence. 2002/07/12 Version: 4.10.00.0005b - Let silence if the scale of Internal CD-In/ Line-In is setting to min. 2002/06/03 Version: 4.10.00.0004b Default Master volume is set to Max(0xffff), WaveOut, CD-Outn, Line-Out is the half of max(0x7fff), Mic-In, CD-In, Line-In is 0x1fff. 2002/05/28 Version: 4.10.00.0003b -- Enable Master volume boost function. 2002/05/21 Version: 4.10.00.0002b Driver description: The C-Media cm9738 driver is working on the NT4.0 with Ali5451 and Sis7018 chipsets. It consists three files: IAC97U4.DLL // ac97 user mode driver IAC97K4.SYS // ac97 kernel mode driver OEMSETUP.INF // installation inforamtion ----------------------------Download Driver Pack
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Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
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Find the device and model you want to update in the device list.
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From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
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