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Alternate
use
of both switches
the hardware and the software switches
Both
used
alternatively, but this
become confused about the mode
may
When using both
switches
be
the
accurate
indicator
will
only
be on
Turbo mode
LED
will
in
and
hardware switch
Turbo
LED
Most
computer
8088—type
hardware
switch. However, both
LED
a
Turbo
or
as
items
are
very useful
you probably
recommended that
Therefore,
is highly
it
you do not
system
in
your
if
information, refer
the
to
switches
section.
software
in Turbo
Using
Most
software, such
as
other applications
run flawlessly
many
that
However, you may
find
Copy Writer®, runs
in
only
20
may be
advised
because
not
is
you
operation.
of
the
Turbo
LED
alternatively,
the actual
the
mode:
of
and
Normal mode.
off in
have a
Turbo
cases
do not
these
of
see.
can already
you install both
have them. For more
already
indicators
and
Panel
made
and
Lotus 1-2-3®,
dBase
lll®
mode.
Turbo
in
certain kinds
software,
like
of
Normal mode.
Technical information
The system board
a double-sided printed
is
board using direct current. The power supply
the
to
board
connector. Other connectors are
a
by
12—pin
for
a
control
panel, a speaker and a keyboard.
expansion slots are also mounted
pin
channel'
bussed across these
l/O
I s
An
- switch
In- Line
eight-
Dual—
is
mounted
the board and can
(SW1)
on
program control. The
DIP
switch provides
with
ware
information
about the installed options,
much
the system has, what type
storage
adapter
is
installed,
what
operation modes are desired
when power
is
switched on
(c
40-character
or
and the number
lines)
anached.
The system board had
five
subsystem and
elements, the Read
its
support
subsystem, the
ReadNVrite
ory (ROM)
system, the
l/O
integrated
adapters
heart
the
The
10MHz Turbo
of
Intel® 8088-1
microprocessor.
bus
Intel®'s 16-bit 8086
external
version
of
the
is
software-compatible
with
ports 16-bit
operations
including
20 bits
addressable
of
supports
storage).
circuit
connected
is
Eight 62-
the board.
The
on
l/O
slots.
eight
Package
(DlP) switch
be
read under
the system
soft-
how
of
display
and
c olor or black
white, 80-
diskette drives
of
functions: the processor
Only Mem-
Memory sub-
(RNV)
and
the
channel.
l/O
system board
the
is
This
is
processor
an
8—bit
processor and
8086. Thus,
the
8088 sup-
and
and
divide
multiply
megabyte
of
memory
(1
21
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