8738note.txt Driver File Contents (8x38drv_v221_downloading.zip)

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


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

 basic
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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.

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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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