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Old Sep 1, 2005, 06:31 AM   #1
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System Specs

Realtek AC'97 Drivers 3.76 WHQL

This driver supports all ALC series audio chipsets from ALC101 up to ALC861. It is used as onboard sound on many motherboards. Chips covered include ALC101/201/202/203/250/650/653/655/658/861 .
_______________
Download: Mirror 1 : Mirror 2 : Mirror 3

EDIT: Fixed Download Links.
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Old Sep 1, 2005, 06:40 AM   #2
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Wicked, thanks. Shall Install when I get home.
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Old Sep 1, 2005, 10:02 AM   #3
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By the way every exe linked to your source is corrupt. Download from here instead people: http://www.realtek.com.tw/downloads/...&Software=True
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Old Sep 1, 2005, 12:11 PM   #4
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System Specs

The first "MajorGeeks TX - |USA|" worked fine for me.


I would like to se a changelog though
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Old Sep 1, 2005, 12:30 PM   #5
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System Specs

Or actually I'm getting an error when trying to run the setup, tried both sources now, anyone else getting this or do i really need to reboot?
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Old Sep 1, 2005, 01:37 PM   #6
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System Specs

Quote:
Originally Posted by Erroneus
The first "MajorGeeks TX - |USA|" worked fine for me.


I would like to se a changelog though
--------
History:
--------
A3.76 -
1. For special customize settings.
2. Fix pop noise for ATI chipsets.
3. Fix recording noise when below 48K samplerate.
4. Fix C3 state issue for ATI chipsets.
5. For ALI 1689 chipsets can't record continue after power resume.
6. Make driver package to be 8.3 format.
7. Setup Package-Delete older inf file ( alcxwdm?.inf ) for updating driver.
8. Setup Package-General inf file name change to "Alcxau.inf" .

A3.75 -
1. For special customize settings.
2. Update Realtek 3D engine.
3. Support for the WMA Pro-over-S/PDIF Format.
4. Support DTS function for ALC850.
5. Fix ALI 1689 chipsets can't record continue after power resume.
6. Fixed driver package can't be removed on WinME.

A3.74 -
1. For special customize settings.
2. Fix SPDIF stream hang up by playing DVD.

A3.73a -
1. Driver general inf.
2. Setup package application size and progress backward problem .
3. Fixed driver package can't be removed on win98se .
4. HCT Scan on windows x64 os .

A3.73 -
1. For special customize settings.
2. Support codec ALC653.
3. Fix record from SPDIF IN have noise in hyper-thread mode.

A3.72 -
1. For special customize settings.
2. Modify initiate of DMA buffer allocate.
3. Fix abnormal THD+N performance on A-D test.

A3.71 -
1. For special customize settings.
2. Fix HCT 12.1 DRM test fail issue.
3. Fix playback and record could not been played in the same time issue for ATI and nVidia chipsets.

A3.70 -
1. Add some customized settings.

A3.69 -
1. Add some customized settings.
2. Add SPDIF IN pass throuth SPDIF Out item for some of ATI and nVidia chipsets.
3. Fix AC3 SPDIF blue screen issue when SPDIF-out force to 44K.
4. Change DMA Threshold from 06 to 10 to decrease noise for ATI SB400 chipset.
5. Update 3D engine to fix Half Life 2(Game) no sound issue and some noise issues.

A3.68 -
1. Add some customized settings.
2. Change DMA operation mode.
3. Fix SPDIF out issue for ALI1573 and ALI1689.
4. Fix SPDIF no output issue for digital and analog output mode in ALC658.
5. Fix SPDIF noise or no output issues in nVidia chipsets.
6. Fix audio can't be test in 3D Marks.
7. Fix UT2004 game noise issue.

A3.67 -
1. Add some customized settings.
2. SPDIF-out goes to AClink slot 6/9 for ATI SB400 when modem present.
3. Add New feature: Disable Analog CD.
4. Fix issue : mono-out volume synchronize with Master volume for ALC655 force 2 channel mode.

A3.66 -
1. Add some customized settings.
2. Enable Present ICH DMA hang up function in default.
3. Fix WarcraftIII game noise issue.
4. Add a new feature : Don't power taggle PR3 for ALC655 and ALC850.
5. Support swapping center Left function for nVidia CK804 chipset.
6. Support WHQL for nVidia CK804 chipset.
A3.65 -
1. Add some customized settings.
2. Fix SPDIF OUT no sound for ALC650 codec after power resume.
A3.64 -
1. Add some customized settings.
2. Update Realtek 3D engine.
3. Support AC3 SPDIF and 8 channels for nVidia CK804.
4. Fix EAPD issue after S1 or S3 resume.
5. Fix getposition not acceurate for ATI chipsets.
A3.63 -
1. Add some customized settings.
2. Fix underrun noise issue by changing threshold value for ATi chipset.
3. Fix 'Winbench' application issue in 4 channel mode when Sensaura engine is disabled.
A3.62 -
1. Add some customized settings.
2. Fix SPDIF Copy protect issue in Mediaplayer.
3. Support AC3 SPDIF and 8 channels for Ali1689 chipsets.
4. Reduce POP noise with EAPD for power change.
A3.61 -
1. Add some customized settings.
A3.60 -
1. Add some customized settings.
2. Add workaround code when pause DMA engine for ICH6 / Hance Rapid.
3. Fix bug for "Force 44K SPDIF" feature when disable direct sound acceleration engine.
4. Set Surr-out pin as HP-out pin for ALC655 when disable multi-channels function.
A3.59 -
1. Add some customized settings.
2. Add channel status information of SPDIF output for ATi chipset(SB150/SB200/SB250).
A3.58 -
1. Add some customized settings.
2. Fix some UI issues for Realtek control panel.
3. Fix some issues for ATi chipset(SB150/SB200/SB250).
4. Solve pop noise for noise suppression feature.
A3.57 -
1. Add some customized settings.
2. Fix some issues for the certain page of control panel.
A3.56 -
1. Add some customized settings.
2. Update directsound acceleration engine.
3. Fix the issue which control panel shows the improper item in
"Microphone" tab under some situation.
A3.55 -
1. Improve the algorithm of Jack sensing.
2. Add some customized settings.
3. Support ICH6.
4. Improve the algorithm for ALC250 Hardware EQ feature.
5. Fix the issue which AUX volume register will be set the improper value.
6. Improve the algorithm of Noise suppression feature.
7. Fix SPDIF output issue for "WaveCyclic" architecture.
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.
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.
5. Turn on UAJ function for ALC850.
6. Set SPDIF control register to proper value when driver initialize.
7. Improve Read/Write codec register algorithm.
8. Reduce resume time.
9. Add "Remove Recording DC offset" feature.
10.Check ALC850 JD5 to decide if support 8-channels feature.
11.Fix SPDIF output slot assignment error for ALC850.
A3.51 -
1. Add ICH2, ICH3 and ATI Chipset IDs.
A3.50 -
1. Support ALC850.
2. Add some customized settings.
3. Use "Wave PCI" architecture for ATI chipset.
4. Improve Jack Sensing algorithm to eliminate noise.
5. Show "Real-Time SPDIF-in Monitor" node for nVidia chipset.
6. Remove ICH2/ICH3/ATi chipsets IDs.
7. Change JD bit definition of Front-out detection function for ALC658 (C version / D version).
8. Set "Direct DAC Mode" to Summation of DAC and analog inputs if H/w EQ is bypassed for ALC250.
A3.49 -
1. Modify some customize settings.
2. Fine tune some registers for ALC655 to avoid noise.
3. Fine tune Surround DAC Volume and Center/LFE DAC volume for ALC655.
4. Set ALC655 Vrefout as 4V for 1 customer.
5. Fix Intel audio device DMA hang up issue for some customers.
A3.48 -
1. Add some customize settings.
2. Turn on "Ignore SPDIF in Invalid Bit" option as default if codec support.
3. Set Pin 47 as EAPD pin and turn off SPDIF in function as default for ALC250&ALC203.
4. Use "WaveCyclic" architecture under Windows 98 Gold version.
5. Modify Realtek control panel that don't detect UAJ automatically
while Windows start for some customer's request.
6. Fix the failures on HCT 9.6 (WinME) "KS Position Accuracy" test.
7. Fix the problems with SPDIF output through DirectSound.
8. Prevent potential discontinuities in 8-bit streams.
9. Prevent potential audio system hangs on badly behaved audio drivers.
A3.47 -
1. Add some customize settings.
2. Turn off SPDIF-In Schmitt Trigger Control for ALC655.
3. Fix the problem that AC3 stream will hang with the older revision of VIA8233 under Win98 SE.
4. Fix the problem that AC3 stream will be abnormal with Direct sound API.
5. Add hand-shaking protocol between audio driver and modem driver for ATI chipset.
6. Disable "Mic2 Select" node in mixer for ALC655/ALC658.
7. Fix the bugcheck D1 in HCT verifier for nVidia chipset.
A3.46 -
1. Add some customize settings.
2. Add Hardware EQ function for ALC250.
3. Support independent SPDIF engine for nVidia CK8 chipset.
4. Modify driver for UAJ function.
5. Modify UAJ thresholds for ALC658.
6. Fix audio driver bug for ATI chipset.
7. Fix audio driver bug about nVidia independent SPDIF engine.
8. Change direct sound acceleration engine.(New engine require DirectX 8.1 under Windows 98 SE).
A3.45 -
1. Add some customize settings.
2. Reduce resume time for VIA chipset.
3. Modify mixer volume control algorithm for multi-channels codec to prevent
the value of mixer out of range.
4. Implement ATI dedicate SPDIF DMA engine.
5. Support ALC250 and ALC658.
6. Fix the problem that Jack Sensing will hang in Windows 98SE.
7. Fix ICH5 pause DMA issue.
A3.44 -
1. Support independent SPDIF engine for nVidia MCP2 chipset under Windows 98 SE.
2. Improve the initialize procedure and the DMA access algorithm for VIA chipsets.
3. Add some customize settings.
4. Apply the Channel Order and FIFO Flush procedure for ATI A41 chipset.
A3.43 -
1. Support ALC203 UAJ function.
2. Add some customize settings.
3. Support independent SPDIF engine for VIA 8233 (Only for newer chipset version) under Windows 98 SE.
4. Fix hang up issue when system suspend for Ali 1563 chipset.
5. Fully support Jack sensing function with multiple language.
6. Fix Jack sensing problem with DirectX 6.1.
A3.42 -
1. Support ALC655.
2. Modify driver for some customized settings.
3. Add SPDIF function for nVidia chipsets.
4. Zero recording data when recording gain is muted.
5. Support independent SPDIF engine for VIA 8233 (Only for newer chipset version).
A3.41 -
1. Modify driver for some customized settings.
2. Support ATI SB200 south bridge.
3. Support Intel ICH5 south bridge.
A3.40 -
1. The setting of switching Center/LFE is saved before system is shut down, restored after system boot up.
2. Fix click noise generated by playing short time wave.
3. Fix some problem about AC3 stream for VIA chipset.
4. Add some customize settings.
A3.38 -
1. Fix some problem for Ali 1563 chipset.
2. Set 1 timer to check SPDIF in status for ALC650 ver. F
3. Save playback volume value to registry key when the mixer is adjusted.
4. Combine Cyclic WDM driver and PCI WDM driver.
A3.37 -
1. Update DirectSound 3D Positional Audio Engine to fix some noisy problem for
some DirectSound3D game (like Unreal Tournament 2003).
2. A3D compatible
3. Correct the gain settings of master volume for ALC650 ver.F
A3.36 -
1. Restore AC97REG_EXT_AUDIO_CTRL value first when resuming from suspend.
Otherwise, Sample rate can't be restored because VRA was not enabled.
2. Support 6-bits capability for Master Volume control if hardware support it.
3. Also set GPIO for Jack Sharing with ALC650 ver.E excecpt some special models.
4. Add 1 customized settings "Disable3DDepthLine" to disable 3D Depth mixer Line.

A3.35 -
1. change company name from "Avance" to "Realtek".
2. add some new ID of motherboard
3. change some default settings for specific models
A3.32 -
1. compensate the gain for 3D sound when 2 speaker mode was selected.
2. support memory I/O for ICH4/ICH5 chipset
3. support SPDIF AC-3 playback using DirectSound API for ICH4/SiS chipset
4. correct DataRange declaration of S/PDIF pin to avoid blue screen on Win2000
with DirectX 8.1 installed.
A3.30 -
1. turn on/off EAPD by GPIO for specific model
2. correct EAX initial setting.
3. support I3DL2 interface
4. fix wake on ring problem
5. support DirectSound 3D positional audio by using HRTF algorithm
6. Add "Loudness" control for ALC202/ALC202A.
A3.29 -
1. Add "S/PDIF IN/OUT Pass-Through" mode for specific model
2. fix S/PDIF-In Realtime monitor noise issue
3. fully support EAX compatible sound effect
4. fix S1 suspend/resume failure problem for some specific model using SiS audio controller
5. only disable "3D depth" line for specific model
6. duplicate analog input source according to output channel mode
7. support DirectSound hardware acceleration features by default
8. fix WinDVD problem when enabling video acceleration
A3.26 -
1. Improve compatibility with Agere software modem
2. Improve recording quality when IDE was in PIO mode.
3. Remove 3D Depth mixer line for some models
A3.23 -
1. Add "Loudness" mixer control for ALC650 front channel.
2. Add "SPDIF in pass through to SPDIF output" option for specific model.
3. Remove 3D depth mixer line.
4. Improve compatibility with WinDVD 4.0 playing AC3 bit stream through DirectSound API.
5. Improve recording quality for some specific models.
A3.22 -
1. Support S/PDIF-In function for ALC650 ver.E

A3.21 -
1. Fix Front Mic problem.
2. Turn off "Analog input bypass to surround" when enter D1 mode.
3. Change back the default volume of Master to the middle position.
4. Add "EnableDCVoltageControl" customized option for ALC202/ALC202A.
5. Support customized DirectSound 2D/3D Acceleration (bypass kmixer).
Add "EnableDS3DLibrary" customized option to enble it.
It is turned off by default.
6. Add "PreventRegisterReset" customized option for VIA8233.
7. Only ALC201 series and ALC650 series can use "Enable 3.3V support" customized option.
For ALC202/A, it is work autometically.
8. Reset DMA when change state to Pause for ICH4 to fix HCT DiectSound failure in WinMe.
A3.13 -
1. To avoid mapping lost on Win98SE by raising IRQ level and adding TagCount before get mappings.
2. Disable "Phone Line" for some specific models.
3. Improve S/W SRC (if needed) quality to meet PC99 requirement.
4. Mute SPDIF while master volume was muted.
5. Improve EAX 1.0 compatible issue.


Quote:
Originally Posted by Erroneus
Or actually I'm getting an error when trying to run the setup, tried both sources now, anyone else getting this or do i really need to reboot?
Try downloading it from the Realtek site warpy linked to: below are direct links
[color=#0000ff]ftp://61.56.86.122/pc/ac97/alc650/WDM_A376.exe[/color]
[color=#0000ff]ftp://202.65.194.18/pc/ac97/alc650/WDM_A376.exe[/color]
[color=#800080]ftp://152.104.238.194/pc/ac97/alc650/WDM_A376.exe[/color]

size 16.8 MB (17,668,047 bytes)
size on disk 16.8 MB (17,670,144 bytes)

MD5 hash:
e7e9fe7260ae2ef4d137892ee959bdea

Filename:
WDM_A376.exe
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Old Sep 1, 2005, 06:07 PM   #7
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System Specs

I used the realtek mirrors and my file hash sum mathes yours, guess I've just have to reboot

But thanks.
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