1. C_audio.exe Driver
2. CRY-RDME.TXT File Contents

CRY-RDME.TXT Driver File Contents (C_audio.exe)

************************************************************************************************
           Software Support Internal Driver Update Release Notification
                            Crystal 4237B Audio Driver 
************************************************************************************************
** Release 8/03 **
<Update>
Crystal 4237B Audio 2.72C
        -> Crysatl 4237B Audio 2.80C (Modify CWDAUDIO.INF)

1) Disable   "Crystal 3D audio control shows up under Win95 startup" 
   /Solution/  -> Disable (move ";") 
                  [Cwd3dsnd.AddReg];HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce"
                                    ,"CW3DSoundInstall",,"%10%\Cwd3dsnd.exe -install"
2) Adjust PCMCIA Card inserted sound volume.
   /Solution/  -> Change volume value from 42280 to 14093. 
                  [CSC0000.AddReg]HKR,Config\MIXER,MonoVolume,,14093

3) Disable can not find C:\windows\cwdaudio.wcm message during boot.
   /Solution/  -> Disable(Add ";") 
                  [CSC0000.AddReg];HKLM,SOFTWARE\Microsoft\Windows\CurrentVersion\MS-DOSOptions\
                                   Crystal,Config.Sys,,"device=%%WINDIR%%\cwdinit.exe /A"
                  [CWDINIT.UpdateCfgSys];DevAddDev=cwdinit.exe,device, 1, "/A"

4) Fix Microphone recording quality not good.
    /Solution/ -> Change Micboost,,OFF to Micboost,,ON
                  <HKR,Config\MIXER,Micboost,,OFF>

5) Fix "Volume slider can't moving by hot key" 
   /Solution/  -> Change PollHWMasterVol,,OFF to PollHWMasterVol,,ON
                  <HKR,Config\SNDSYS.DRV,PollHWMasterVol,,ON>

6) Fix Microphone dafault volume too low when record.
   /Solution/ -> Modify MicGainTable as below
                 <New>      MicGainTable="31,25,20,16,13,10,8,7,5,4,3,3,2,2,1,1,1,1,1,0,0,0,0,0,0, 
                                          0,0,0,0,0,0,0"
                 <Original> MicGainTable="31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,1
                                          3,12,11,10,9,8,7,6,5,4,3,2,1,0"

7) Remove 3D effects from Master out volume controls list.
   /Solution/ -> Change 3DMute,,OFF to 3DMute,,ON.
                 <"HKR,Config \MIXER,3DMute,,ON">
   /Solution/ -> change Mode3MixerSources,,"111111011" to "011111011".
                 <"HKR,Config\CONTROLS,Mode3MixerSources,,"111111011".>




** Release 6/11 **
<Update>
Crystal 4237B Audio 2.72B
        -> Crysatl 4237B Audio 2.72C (Modify CWDAUDIO.INF)
1) Reinstall "Crystal 3D audio control shows up under Win95 startup" (32T:139)
   /Solution/  -> Enable(move ";") 
                  [Cwd3dsnd.AddReg];HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce"
                                    ,"CW3DSoundInstall",,"%10%\Cwd3dsnd.exe -install"
2) Adjust PCMCIA Card inserted sound volume.
   /Solution/  -> Change volume value from 42280 to 14093. 
                  [CSC0000.AddReg]HKR,Config\MIXER,MonoVolume,,14093

3) Disable Adjust PCMCIA Card inserted sound volume.
   /Solution/  -> Disable(Add ";") 
                  [CSC0000.AddReg];HKLM,SOFTWARE\Microsoft\Windows\CurrentVersion\MS-DOSOptions\
                                   Crystal,Config.Sys,,"device=%%WINDIR%%\cwdinit.exe /A"
                  [CWDINIT.UpdateCfgSys];DevAddDev=cwdinit.exe,device, 1, "/A"
** Release 5/18 **
<Update>
Crystal 4237B Audio 2.72A
        -> Crysatl 4237B Audio 2.72B (Modify CWDAUDIO.INF)

1) Fix Microphone dafault volume too low when record.(32H2:HH019)
   /Solution/ -> Modify MicGainTable as below
                 <New>      MicGainTable="31,25,20,16,13,10,8,7,5,4,3,3,2,2,1,1,1,1,1,0,0,0,0,0,0, 
                                          0,0,0,0,0,0,0"
                 <Original> MicGainTable="31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,1
                                          3,12,11,10,9,8,7,6,5,4,3,2,1,0"
 

** Release 5/12 **
<Update>
Crystal 4237B Audio 2.72
	-> Crystal 4237B Audio 2.72A (Modify CWDAUDIO.INF)

1) Fix ZV no sound if play mpeg file with Margi MPEG card.(30L:C017)
    /Solution/ -> Chang dac2mux value from "00000001" to "00000002" in CWDAUDIO.INF.

2) Fix "Mute" be set On in Recording Properties 
    /Solution/ -> Change default as OFF.
	          <HKR,Config\MIXER,MicInputMute,,OFF>

3) Fix "Mono In doesn't enable by default"
    /Solution/ -> Change MonoMute,,ON to MonoMute,,OFF
                  <HKR,Config\MIXER,MonoMute,,OFF>

4) Fix "Volume slider can't moving by hot key" (32T:074)
   /Solution/  -> Change PollHWMasterVol,,OFF to PollHWMasterVol,,ON
                  <HKR,Config\SNDSYS.DRV,PollHWMasterVol,,ON>

5) Fix "Crystal 3D audio control shows up under Win95 startup" (32T:139)
   /Solution/  -> Disable(Add ";") 
                  [Cwd3dsnd.AddReg];HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce"
                                    ,"CW3DSoundInstall",,"%10%\Cwd3dsnd.exe -install"