audio inf.txt Driver File Contents (cs4281-9xme2kxp.exe)

The attached WDM style driver should work with the following Windows os's:
Win98SE, WinME, Win2k and XP.
Support Statement:
Cirrus Logic produces the controller chips that are used on
add-in boards and motherboards made by retail manufacturers.
These manufacturers customize the hardware and software to meet
their own needs. Primary user support should come from the 

Windows XP shipped with driver support for the Cirrus Logic Crystal 
part number 4281.  However, we are a semiconductor company and that 
driver is a generic Microsoft driver based on a reference design.

This driver has been tested with XP and our reference design. 
It has not been certified for WinXP.

If the driver in the box does not work with your audio design, you 
should contact the manufacturer of the add-in card, or PC 
manufacturer who provided the audio subsystem for drivers and support.

NOTE:  Laptop designs are much different than our generic reference 
design and the drivers are customized. The attached driver may not 
support all of the features of your notebook including: hotkeys, 
docking and power management events.

If you purchased an Intel motherboard that uses a Crystal chipset, 
and need driver or installation help, call Intel Tech Support at


Download Driver Pack

How To Update Drivers Manually

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.

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