List
of
Contents
Page
INTRODUCTION .... ..... ..... ..... ....................... .... ............ 1
DESCRIPTION ... ...... ... ...................... ..... ...... ...... ....... ..... 2
General ............................................................................ 2
Tone Generation ............................................................. 4
Noise Generation ............................................................ 6
List
of
Illustrations
Figure
Sound
Generator
block
diagram
..................................... 1
INTRODUCTION
The
Sound
Generator
is
located
on
the
System
Board
and
consists
of
the
elements
of
circuitry
as
illustrated
on
the
block
diagram
above.
The
Sound
Generator
can
be
programmed
to
produce
audio
frequency
tones
(of
up
to
15
kHz),
audio
noise,
or
synthesized
sounds,
and
is
utilised
by
the
BIOS
to
generate:
(a)
The
keyboard
keyclick.
(b)
A
bell
tone
to
act
as a
general
warning
signal
by
a
number
of
applications.
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