SYSTEM
In their letters, readers often ask us a question: how to
eliminate the instability of the data bus when referring to the
music coprocessor?
Such a defect is associated with an incorrect connection of
music coprocessor to the computer and
more precisely with inaccurate addressing his
ports.
The broad expanse of our
roams the country a great many
wiring diagrams AY, almost all
they more or less working, but
absolutely reliable bit.
Below, we give you the scheme
which was repeated many times by Moscow radio amateurs
and does not cause side effects such as unstable data bus.
For the first time this scheme was published in the program
"AY-SCHEME" Moscow firm MAGICSOFT.
Regardless of the connected
AY to your computer or not,
Do not forget that the data bus
should be "tightened" to +5
resistors is not too large
nominal value, usually 4.7-10K.
