Applies to
C-Media CMI8738/C3DX PCI Audio Device (CMI8738-LX, CMI8738-MX and CMI8738-SX)

Requirements
Windows 2000, Windows XP, Windows Vista, Windows 7 (RC Build 7600)

Author
C-Media Electronics Inc.

FileName
PCI-8738-091211-7.12.8.1740(W7-RC-01).zip

FileSize
6.30 MB

Driver Date & Version
02/09/2010 (ver. 8.17.40)

Description

See below for the differences between the three versions of C-Media CMI8738:

  1. 8738-LX/MX supports 6CH DAC 5.1 surround output for movies and 3D games.
  2. 8738-MX provides additional digital interface S/PDIF IN/OUT (44.1K and 48KHz).
  3. 8738-SX supports 4CH DAC surround output for movies and 3D games.
CMI8738 is a highly-integrated world-only single audio chip designed for PC add-in sound cards and motherboard audio. It supports the legacy audio:
  1. SBPRO
  2. FM emulator
  3. MIDI MPU-401 port.
8738-SX supports 4-channel 16-bit DACs to provide surround audio. 8738-LX or MX supports 6-channel DACs for 5.1 home theater environments and meet PC99 audio performance requirements. CMI8738-MX also provides S/PDIF digital audio interface I/O for 44.1KHz and 48KHz LPCM audio.

Drivers are available from Windows 2000 till Windows 7, although for Windows 7 it is listed as RC build 7600 (RC stands for Release Candidate) dated February 2010.

C-Media CMI8738 Driver Installation

  1. To install CMedia 8738 driver, just download the zipped driver file.
  2. Open the file and look for setup.exe then run it.
  3. The audio driver installation setup program will first check if you are using the correct Windows platform.
  4. It will also check if you are having the correct C-Media PCI Audio Decive. If not, a Window will pop up and prompt: [Please plug in C-Media PCI Audio Device and install driver again].

Download CMedia CMI8738 C3DX Driver here.

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