Labway A471R1 User Manual

YMF744/754 PCI SOUND CARD

Hardware Configuration

USER MANUAL

July 1999

FCC Compliance Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part
15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in residential installation.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause interference to
radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged
to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Notice
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired

operation.

Shielded cables and I/O cords must be used for this equipment to comply with the relevant FCC regulations.
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in

the radio interference regulation of the Canadian Department of Communication

YMF744 PCI Sound Card Hardware Configuration

TABLE OF CONTENTS

1.1. DESCRIPTIONDESCRIPTION ..............................................................................................22

1.1 FEATURES ............................................................2

22 CCARD ARD FFIGURE FOR IGURE FOR “YMF744/754 N6YMF744/754 N6XX” ...............................................................33

2.1 CONNECTORS FOR “YMF744/754 N6X”............................................................................... 4

2.1.1 External Connectors:.....................................................................................................................4

2.1.2 Internal Connectors:......................................................................................................................4

2.2 AUDIO CONNECTORS PIN ASSIGNMENT:.........................................5

33 CCARD ARD FFIGURE FOR IGURE FOR “YMF744/754 R1YMF744/754 R1XX” ...............................................................66

3.1 CONNECTORS FOR “YMF744/754 R1X”............................................................................... 7

3.1.1 External Connectors:.....................................................................................................................7

3.1.2 Internal Connectors:......................................................................................................................7

3.2 AUDIO CONNECTORS PIN ASSIGNMENT:.........................................8

44 CCARD ARD FFIGURE FOR IGURE FOR “YMF744/754 R9YMF744/754 R9XX” ...............................................................99

4.1 CONNECTORS FOR “YMF744/754 R9X”............................................................................. 10

4.1.1 External Connectors:...................................................................................................................10

4.1.2 Internal Connectors:....................................................................................................................10

4.2 AUDIO CONNECTORS PIN ASSIGNMENT:........................................11

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YMF744 PCI Sound Card Hardware Configuration

1. DESCRIPTION

Congratulations! You have just acquired a sound card based on the most
advanced 3D PCI audio accelerator available today. YMF744/754 PCI sound
card is a high performance PCI audio accelerator which combines the most
compelling 3D, quadraphonic and music synthesis technologies available with
full featured digital outputs. Full H/W acceleration of DirectSound®, 3D
audio, music synthesis, and gameport function guarantees exceptional system
performance.

1.1 Features

• PCI 2.2 compliant

• PCI Bus Power Management rev. 1.0 compliant

• PCI Bus master for PCI Audio
⇒ True Full Duplex Playback and Capture with different Sampling Rate
⇒ Maximum 64-voice XG capital Wavetable Synthesizer including GM compatibility
⇒ Direct Sound Hardware Acceleration
⇒ Direct Music Hardware Acceleration
⇒ Downloadable Sound (DLS) level-1

• Legacy Audio compatibility
⇒ FM Synthesizer
⇒ Hardware SoundBlaster Pro compatibility
⇒ MPU-401 UART mode MIDI interface
⇒ Joystick

• Supports PC/PCI and distributed DMA for Legacy DMAC (8237) emulation

• Supports Serialized IRQ.

• Optionally support Consumer IEC958 Output(SPDIF OUT)

• Optionally support Consumer IEC958 Input (SPDIF IN)

• Single Crystal operation (24.576 MHz)

• Compliant with AC’97 Requirements
⇒ 4 Stereo Inputs: LINE, CD, VIDEO, AUX
⇒ TAD connector for mono In and Output for modem Audio
⇒ 1 MIC Input
⇒ Stereo LINE Output/ Speaker Output

• 20 dB MIC Amplifier

• Analog Characteristics
⇒ A/D S/N: 85 dB
⇒ D/A S/N: 90 dB

• Low Power Consumption

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