Specifications
21
SWITCH
~ND
JUMPER
SUMMARY
The
following
two
figures provide a
summary
of
the switch
functions
and
settings
on
the mother
and
daughter boards.
The
tables
below
also
provide
this
information.
Function
of
Switches -
Organized
by
Switch
Number
Switch *
Number
Mother
Board
1-1,1-2
1-3,
1-4
2-1
2-2
2-3
2-4
2-5
2-6
2-7
3-1
3-2
3-3
Position
On
1
Off
2,3
x
X
x
X
X
X
X
X
X
X
X
X
X
X
Fuction
Enables
24
bit
addressing
Selects
SMEMR
and
SMEMW
Selects
SOUT
and
SINP
Disables address
line
A23
Disables address
line
A22
Disables address
line
All
Disables address
line
A20
Disables address
line
A19
Disables address
line
Ala
Enables
24
bit
addressing
Disables
24
bit
addressing
(enable
16
bit
memory
or
I/O
mapped
operation)
Disables address
line
Al7
Disables address
line
A16
Disables address
line
A15
*
First
number
refers to switch
number~
second
number
refers to
switch position.
1
If
upper
portion
of
switch
is
depressed =
ON
2
If
lower portion
of
switch
is
depressed =
OFF
3
The
function in the
OFF
position
will
only
be
described
if
it
is
something other
than
the opposite
of
the
ON
position function.