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There is 20+ years of computers and laptops that use Realtek’s AC’97 codec/drivers, so if your sound driver isn’t working or needs to be re-installed there is a driver package below that should get the sound working again. Operating systems back to Windows 95 are supported.

Download driver Realtek AC97 Audio Controller version 6.0.1.6305 for Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10 32-bit (x86), 64-bit (x64). The package provides the installation files for Realtek AC97 Audio Driver version 6.0.1.6293. If the driver is already installed on your system, updating (overwrite-installing) may fix various. Realtek High Definition Audio Codec (Windows Vista / Windows 7 / Windows 8 64-bit) Free. Update your onboard HD sound from Realtek to the latest driver release. This package provides the installation files for Realtek AC97 Audio for VIA Audio Controller version 6.0.1.6305, Windows 7 x64 /Windows 8 x64. In order to manually update your driver. Filename: wdma352.exe. Download Instruction. Brand:RealTek, Product:Audio and Sound, Model: AC97 Audio CODECs, ALC850, Driver: A3.52, OS: Windows 98/ME/XP/2000. Realtek AC97 Audio Driver A3.52 Win98/Me/2000/XP was collected from RealTek official site for RealTek Audio and Sound. In order to ensure the right driver download, Official driver.

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Show: Full Specs/Additional configurations

Realtek Semiconductor Corp. AC'97 Sound System Software ver:A3.54

Installation and Setup

Driver & Application Installation/Removal Procedure For Realtek AC'97 Codec:

<<< For Win2000/WinME/WinXP (WDM driver)/Win98 Gold(First Edition)/Win98SE >>>

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Setup Driver/Application at first time:

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Step 1. Before installing the Realtek AC'97 Drivers & Applications, Press the

[Cancel] button if Windows detect the PCI Multimedia Audio device.

Step 2. Insert the 'Realtek AC'97 Drivers & Applications' CD into the CD-ROM

drive and run the setup.exe program to finish the installation.

Step 3. Click on [Next/OK/Go] to continue the procedure. If the Windows popup

'Digital Signature Not Found' message, press [Yes] to continue the

installation.

Step 4. Finally, select to restart the system and press [Finish] to complete

the installation.

The system will reload the drivers and do some adjustments in the INF

file if so required.

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Update Driver/Application:

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Step 1. Follow Step 2,3,4 described in [Setup at first time] above to complete

the procedure.

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Remove Driver/Application:

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Step 1. Go to StartSettingsControl Panel.

Step 2. Select [Add/Remove Programs] icon.

Step 3. Select 'Realtek AC'97 Drivers and Applications' and press [Change/Remove]

button.

Step 4. Click on [Next/OK/Go] to finish the uninstallation.

Step 5. At the end of the procedure, select to restart the system and press

[Finish] to complete the uninstallation.

<<< For WinNT 4.0 (NT4 driver) >>>

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Setup Driver/Application at first time:

---------------------------------------

Ignore Step 1, and follow the same procedure in Win2000/WinME/WinXP.

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Update Driver/Application:

--------------------------

The same procedure in Win2000/WinME/WinXP.

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Remove Driver/Application:

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The same procedure in Win2000/WinME/WinXP.

<< Other Informations >>

--------------------

Silent Installation:

--------------------

Run 'Setup -s -f2<pathLogFile>'

i.e. setup -s -f2c:mylog.log

Note: 1. AVRack only works fine under WinNT 4.0 after installing

Service Pick 3 or later.

2. Please update Directx version to DirectX8.0 or above.

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Version Informations:

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WDM driver for Win98/WinMe/Win2000/WinXP : 5.10.0.5440

VXD driver for Win95 : 4.5.0.3019

VXD Software wavetable driver : 3.1.0.0

NT4 driver for Windows NT4 : 4.3.0.3037

NT4 software wavetable driver : 4.3.0.2002

RtlRack for Win98/Me/2000/XP : 1.8.0.0

AvRack for Win95/NT4 : 2002.4.3.1

Realtek Sound Effect Manager(CPL) : 2.2.0.17

Realtek Sound Effect Manager(RtlCpl) : 1.0.1.9

Realtek Sound Effect Manager for NT4 : 2.3.0.3

Driver/Application Setup Program : 4.89

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History:

--------

A3.54 -

1. Add some customized settings.

2. Support Microphone Noise Suppression feature.

3. Toggle Vref before change Microphone jack type for AC97 2.3 codecs.

4. Modify Peak filter parameters for ALC655.

A3.53 -

1. Add some customized settings.

2. Add 'Remove recording DC offset' feature.

3. Fix Hardware EQ noise issue for ALC250.

4. Support 1 nVidia chipset (CK8S).

5. Add workaround code for ATI chipset recording issue.

6. Support 8 channels playback feature for nVidia chipset with ALC850.

7. Fix the issue about SPDIF function type feature with ALC850.

8. Modify Peak Filter parameters for ALC655 and ALC850.

9. Fix side channel noise issue for VIA chipset with ALC850.

10.Add a new feature: SPDIF out can be sent to ACLink for ATI and nVidia Chipset.

11.Fix SPDIF slot assignment error for ALC850.

12.Support 'Smart GPIO Volume Control' & 'DC Voltage Volume Control' features for ALC250 and ALC203.

13.Turn on bit 14 of DC97_AUDIO_REG_INTERRUPT_ENABLE while audio playing for ATi chipset.

Realtek Ac97 64-bit Audio Driver Version

14.Add flexibility for 'Preventing ICH hang up' feature.

15.Improve DirectMusic startup latency when HyperThreading was enabled.

16.Fix Pinball delay problem on Win2000.

17.This vesion does not include ALi 1535 chipset support.

A3.52 -

1. Add some customized settings.

2. Fix SPDIF output frequency issue for nVidia chipset.

3. Disable Hardware EQ first before restore Hardware EQ for ALC250 when resuem.

4. Disable Hardware EQ first before restore Hardware EQ for ALC250 polling function