** CMI8738 PCI Audio Windows 95/98 Drivers Release Note ** 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 basicDownload Driver Pack
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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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Find the device and model you want to update in the device list.
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Click the Update Driver button, then follow the instructions.
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