Analog Devices, Inc., Sound Processing Team History Document
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Microsoft Windows WDM Device Driver
AD1881 SoundMAX Controller
April 15, 1999 Modification Date
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Versions
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Package Release: WDM00034
Installer Version: 1.00.003
4.10.2119 WDM Driver (4/15/1999)
* Added fix for WaveIn sample rate drift in ACT (4.2).
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Package Release: WDM00033
Installer Version: 1.00.003
4.10.2118 WDM Driver (4/13/1999)
* System ID is used to confirm that INF file is appropriate
for this device. Additional ID was added to INF file.
* Added format conversion so that the WDM driver will work
with the current released version of Win98 (workaround
to KMIXER problem with recording 8-bit mono, 16-bit mono,
and 8-bit stereo).
* Set DACZ bit to play zeros when starved for data.
Without bit set, this will play last sample which can cause
zipper noise when volume slider moved.
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Package Release: WDM00026
Installer Version: 1.00.002
4.10.2113 WDM Driver (3/3/1999)
* Modified releasing of scatter/gather descriptors. Fixed
problem in ACT (waveInReset).
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Package Release: WDM00022
Installer Version: 1.00.001
4.10.2112 WDM Driver (2/19/1999)
* Added support for Max/Min volume settings read from Inf.
* Fixed Capture Callback problem.
* Added support for initial default values (volume, mute,
etc.).
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Package Release: WDM00019
Installer Version: 1.00.001
4.10.2111 WDM Driver - No changes (2/11/1999)
* Included the missing .ISS file.
* Added international version of installation software.
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Package Release: WDM00017
Installer Version: 1.00.000
4.10.2111 WDM Driver (2/8/1999)
* Added support for default initial control settings read
from Inf.
* Power Management tested.
* Topology finished.
* Recording Formats added.
* Localization added.
* Installation/Uninstall.
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Package Release: WDM00015
4.10.2110 WDM Driver (1/28/1999)
* Added Power Management code (not tested, do not have
platforms which support ACPI).
* Fixed problem where multiple open instances of Media Player
caused system to crash.
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4.10.2109 WDM Driver (1/20/1999)
* Added topology modification to use Microsoft supplied
generic control names.
* Added Keys for disabling controls.
* Added FIFOE detection (AMR fix).
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4.10.2108 WDM Driver (1/8/1999)
* Added topology modifications to Record Control.
* Added topology modifications for Phat Stereo bypass control.
* Renamed MonoSum loopback to Mono Out.
* Changed driver and Inf file names to reflect ADI specific
driver.
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4.10.2107 WDM Driver (12/23/1998)
* Fixed power up sequence after warm reboot.
* Cleaned up compiler warnings.
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4.10.2104 WDM Driver (11/20/1998)
* Added timeout in case hardware is broken.
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4.10.2103 WDM Driver
* Alpha release. First functional driver tested with hardware.
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4.10.2101 WDM Driver
* Pre-alpha release. Not tested on hardware.
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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.