8738note.txt Driver File Contents (sound.zip)

** CMI8738 PCI Audio Windows 95/98 Drivers Release Note **

ver 4.06.1091a 04/10/2000
1.quad channel SPDIF out
2.fix the bug that PCSPK mute and volume control
3.disable the double sampling on AC3 SPDIF on 037 chip
4.mask the interrupt during suspend mode

ver 4.06.1091  02/23/2000

1. Support KARAOKE auto singing function interface.
2. Fix a bug of DirectSound testing program in looping buffer processing.

ver 4.06.1090  01/14/2000

1. support special sampling rate (8000 & 22254Hz) in DirectSound functions
   for game Carnivores2 and Dark Vengence.
2. Make 3D posional audio more symmetrically between front and rear.

ver 4.06.1089  12/29/99

1. Fix sound disappear problem when select EAX mode in game OUTCAST.
2. Fix sound problem in game Half-Life.
3. Support enable/disable two playback channel functions in registry,
   the default status is disable.
4. Default reject into suspend mode when using DirectSound functions.

ver 4.06.1088  12/15/99

1. Improve DirectSound/3D update delay time make positonal audio
   move more smoothly.
2. DirectSound suspend control by the registry setting(DisDsSuspend).
3. Fix a problem that game Trespasser crash.

ver 4.06.1087  11/10/99

1. Modify legacy device IRQ release processing for solving 
   conflicted with a NET device.
2. Auto detect SPDIF-in signal sampling rate as 44.1/48KHz.
   Users do not have to set about this.
3. Uninstall program do not remove MODEM device.
4. Fix some games FM no output problem in Windows DOS box.
5. Fix WinDVD mute problem when switching from SPDIF-AC3 to 2/4 speakers mode.
6. Fix problem that cannot shutdown correctly with TAICOM MODEM.

ver 4.06.1084  10/19/99

1. Fix problems in games including Comanche Gold,Unreal,
   Duaguen Keeper II and Prince of Persia 3D.
2. Fix calling problem in A3D compatible drivers.

ver 4.06.1083  10/05/99

1. Fix GPF problem in Minevra testing program.

ver 4.06.1082  10/02/99

1. Support 44.1/48K DirectSound wave output to SPDIF-out.
2. Uninstall program fix joystick device problem.

ver 4.06.1081  09/20/99

1. Set default configuration value. Otherwise, Line-in can not share
   same phonejack with rear output.
2. Store SPDIF-in phase inverse status.

ver 4.06.1080  09/03/99

1. New structure of DirectSound/DirectSound3D.
2. Support SPDIF AC-3 output.
3. Run applications setup program after drivers installed.
4. Uninstall drivers program add removing applications.

ver 4.06.1073  08/10/99

1.Modify legacy device IRQ resource management.
2.Implement SPDIF-in signal phase auto detect functions.

ver 4.06.1071  07/15/99

1.Prevent conflict when audio device share same IRQ with legacy device.
2.Switch to 4 speakers mode when create DirectSound3D primary buffer.

ver 4.06.1070  07/02/99

1.Modify legacy device IRQ resource management.

ver 4.06.1069  06/24/99

1.Modify double DMA buffer processing.
2.Fix legacy SB and FM I/O port allocate problem.
3.Legacy device can enable or disable when installation.
4.Accept any sampling rate for Iphone 5.0 full-duplex purpose.

ver 4.06.1068  06/05/99

1.Fix wave output rear speakers left/right inverse when wave volume
  panning in MCI 4 speakers mode.
2.Fix 48KHz wave playback speed too fast when SPDIF-out enable.

ver 4.06.1067  06/04/99

1.Enable wave volume panning functions.
2.Fix Mic recording in stereo mode.
3.Add wave channels output selection.

ver 4.06.1064  05/25/99

1.Fix sound clicking problem when playback wave.
2.Enhance performance when HRTF CPU utilization set to low.
  (Game Populous 3 can run smoothly when HRTF CPU utilization set to low.)
3.Enable/disable MPU-401 MIDI device install request by registry.
4.Change the wave open management way.

ver 4.06.1062  05/11/99

1.Change the cm8338.vxd file name to cmaudio.vxd.
2.Enable/disable Joystick device controlled by registry.
3.Remove the SPDIF function from mixer(controlled by function calls).
4.Support 24-bit SPDIF playback/recording functions.
5.Fix bugs on game FALCON4.
6.Change the cm8338fm.drv file name to cmpcifm.drv.

ver 4.06.1061  05/07/99

1.Fix MIDI keyboard hang problems.
2.Add SPDIF in/out control functions.

ver 4.06.1059  04/30/99

1.Open registry set legacy SB version.

ver 4.06.1058  04/27/99

1.Change DirectSound driver name.
2.Correct mixer component type.

ver 4.06.1057  04/21/99

1.Joystick resource adjustment.
2.Fix sound problems in DOS game DOOM2,WARCRAFT2,Duke3D and Quake.
3.Fix SPDIF-out inactive problem.
4.Add setup DOS initial program during installation.

ver 4.06.1051  04/02/99

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How To Update Drivers Manually

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  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

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  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

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