User's Manual

YMF724 PCI Sound Card Configuration/Hardware
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1. DESCRIPTION
“YMF724 D10”, “YMF724 G50”, and “YMF724 J8x” are new audio adapters that provide the
next generation of PCI audio performance to the PC market. The adapters not only meet the
new demands of advanced PC audio applications but also enable the integration of a
complete multimedia subsystem on a single adapter. The adapter functionality and interfaces
are compliant with all major industry standards, including the SoundBlaster Compatible,
PC’97, Windows

95 Direct Sound, Windows

Sound System and PCI 2.1 bus
specification.
1.1. Features
•
PCI 2.1 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
⇒
Genuine OPL3
⇒
Hardware SoundBlaster Pro compatibility
⇒
MPU-401 UART mode MIDI interface
⇒
Joystick
•
Supports PC/PCI and distributed DMA for Legacy DMAC (8237) emulation
•
Supports AC-1 interface (AC-Link)
•
Single Crystal operation (24.576 MHz)
•
5V Power supply for I/O. 3.3V Power supply for internal core logic
•
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
•
Built-in 2-Channel Power Amplifier