Service manual
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2 – 12
Chipset
supporting chip - audio
REALTEK ALS300
+
INTEGRATED PCI AUDIO ACCELERATOR
The ALS300
+
Integrated PCI Audio Accelerator brings forth a new age of highly integrated, single chip sound
products. It provides cost-efficient audio solutions for motherboard and add-in card and notebook implementations.
The ALS300
+
fully supports the PCI Plug and Play standard. Its main features are as follows:
• High performance VLSI sound ASIC
• Compatible with DirectSound, DirectSound3D Sound Blaster, Sound Blaster Pro, and Sound Blaster 16 emulation
• 64-Voice Wavetable Synthesis w/ DLS-1 support
• Built-in ALSFM Synthesizer
• Supports Dual AC-97 CODECs/4-channel speakers
• I
2
S & S/PDIF Digital In/Out
• Host Modem support
• Legacy/DOS compatibility
• QSound Q3D Positional/QEM EAX Sound Support
• Supports Sound Blaster ADPCM decompression
• MPU-401 MIDI controller with FIFO
• Enhanced normal & digital game port support
• 16-bit full-duplex for concurrent recording and playback
• ACPI/PCI Bus Power Management Interface Specification 1.1
• 5.0/3.3V dual power mode
• 128-Pin PQFP package