PDF User Manual

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  C-Media CMI8738 4 Channel 

          Sound Card 

User Manual 

Ver. 1.00 

All brand names and trademarks are properties of their 

                                        Respective owners. 

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Features 

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Full-duplex playback and recording. Built-in 16-bit CODEC 

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HRTF 3D positional audio, supporting both DirectSound 3D® 

& A3D® interface. Also support earphones, two and four 

channel speakers mode 

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Built-in 32 OHM Earphone buffer 

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Downloadable Wave Table Synthesizer, supporting Direct 

Music® 

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PCI Rev. 2.2 compliant with bus mastering modes 

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ACPI compliant power down management 

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Support Windows® 2000, XP/2003 and Vista 

Bus Interface 

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PCI Bus 32bit 

Package Contents 

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1 x C-Media CMI8738 4 Channel Sound Card

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1 x Driver CD

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1 x Manual 

Note: Contents may vary depending on the market/country. 

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System Requirements 

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Pentium-class computer with one available PCI slot 

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Windows® 2000, XP/2003, Vista 

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DirectX 8.1 above is required 

Hardware & Software Installation 

It is recommended that you remove any previously installed sound card 

and drivers prior to installing this 4 Channel Sound Card to avoid any 

conflicts. If previously installed drivers are not removed, this 4 

Channel Sound Card perhaps not function properly. (

Note:

 If your 

computer has on-board sound you will need to disable it on the 

motherboard. For more information please see your computer’s 

documentation or contact your computer’s manufacturer.)

Installing driver on Windows® 2000/XP/Server 2003/Vista 

1.

Locate an available PCI slot on your computer, and insert the 4 

Channel Sound Card into the slot. Fasten the card to the case 

using a screw. 

2.

Start your PC. Windows® will detect the Sound Card find a 

“Multimedia Audio Controller” 

device. Click the 

“Cancel” 

button to cancel the driver installation for the device at this 

moment. The driver for this device will be installed in the next 

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step. 

3.

Place the Driver CD into the CD-ROM drive. Click the 

Start 

button on the taskbar and click 

Run

. Type 

“D:\SOUND\

CMedia8738\setup.exe”

. (Assuming you have placed the CD in 

CD-ROM drive labeled as D). 

4.

Follow any on-screen instructions to complete the software 

installation. 

5.

Restart your system. 

6.

Once you have rebooted the computer, this 4 Channel Sound card 

is ready to be used. 

Physical Connections 

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The rear panel of this 4 Channel Sound Card has the following jacks: 

1.

Line In (blue)

 – Line-In Connect to the audio output port of 

stereo

2.

Mic In (pink) 

– Connect to the Microphone (Mono)

3.

Front-Speaker (green) 

– Output to speakers with the amplifier 

or earphones or Audio-in of home stereo

4.

Rear-Speaker (black) – 

Connect to the rear speakers while four 

channel speakers mode is enabled

In addition to the rear panel jacks, this 4 Channel Sound Card also has 

the following internal connection: 

The Connector 

                  The Function 

J1 

Analog CD/IN Port(Signals: L-G-G-R) 

J2 

Analog CD/IN Port(Signals: G-R-G-L)   

J3 

Aux-in