User's Manual

YMF744 PCI Sound Card Hardware Configuration
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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