REVISION.TXT Driver File Contents (SOUND.zip)

5.0.2196.1

	alcich.sys (5.00.00.2196)
	1. First Release

5.0.2196.1	// release to micheal for MicroStar, (only .SYS)

	alcich.sys (5.00.00.2197)
	1.	report Description that we can support full data range format to avoid DirectSound
		Diagnostic Test no sound problem
	2.	Support SW SRC recording for all the format that HW do not support

5.12.2198.1

	alcich.sys (5.12.01.2198)
	1.  support SoundEffect Ver.2 for variable sample rate
	2.  +4.5dB gain for PCM out when Sound Effect is enabled
	3.  change version number to fit WHQL submission requirements
	4.  fix HCT bugs of 9.41-WaveInCallback & Two-machine test for ALC200
	5.  fix suspend/resume no sound bug when suspend to D1 state
	
	SoundMan.exe (2.1)
	1.  Add TouchPad controls
	2.  modify close action
	3.  fix multiple numbers of mixer device bug
	4.  Add Logo String
	5.  change cursor while fly on controls
	
	Alsrack.exe (2.0)
	1.  Fix WaveIn control do not GlobalLock MixerCtrl Address before use it while initialization
	2.  disable MCI cue command to avoid WDM bug
	
5.12.2200.1

	SoundEffect3
	1.  Compiler option optimized
	
	alcich.sys (5.12.01.2200)
	1.  link with the optimized sound effect library, SoundEffect3, to improve the performance
	2.	Fix hang problem after resuming from suspend. Make a cold reset before checking CODEC
		ready to make sure the CODEC will be wakeup from suspend.
		
	SoundMan.Exe (2.2)
	1.  fix miss link about the control index of MxCtrlSurround & MxCtrlKaraok

5.12.2202.1
	
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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