Audio; Super I/O Controller - NEC DIRECTION L Manual

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Audio

Your system's integrated audio chip, the Yamaha OPL
YMF715, and optionally the Yamaha YMF704 Wavetable
Synthesizer on a module, integrates an enhanced stereo
controller with an interface for MPU401 and a game port. It
provides:
T
all the digital and analog mixing functions you need
to record and play sound
T
line, microphone, and monoaural inputs
T
Plug and Play compatibility
T
Sound Blaster Pro and Windows Sound System™
compatibility
T
Altec Lansing speakers complete the standard audio
components.
The Wavetable Synthesizer, available on some models,
integrates all the features of the YMF715 with a general
MIDI processor and wavetable ROM, able to generate up to
24 voices simultaneously.

Super I/O Controller

As standard equipment, your system provides the National
Semiconductor PC87307 Super I/O Controller, an ISA Plug
and Play multifunction I/O device that incorporates:
T
Two serial ports with
Two UARTS, software compatible with the 16450
and 16450A
16-byte FIFO buffer
Understanding System Features 3-5
®

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