//***************** C-Media AC97 NT4 driver Release Note ******************//
(Support ALI(sis7018+Ali5451 )
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
After your driver has been downloaded, follow these simple steps to install it.
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.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.