General
Information 1-9
Drive or Unit Number
The drives
connected
to a controller
board
are
differentiated by their drive number. The
drive
number
must be
between
a
and
3. The factory sets
9895A
drives
to
a
and
1,
and
9895A Option
all
or
012
to
2
and
3.
The
drive
number
can
be
found
on
the front cover,
beneath
the disc insertion opening.
If
this
number
must
be
changed
(to eliminate conflicts
or
other reason), follow this
procedure.
1.
Remove
front, top
and
bottom
covers (see disassembly
procedures
in
Chapter
3).
2. Place the unit
on
it's top.
3.
Remove
the controller board.
4. Remove the four screws holding the drive into the chassis.
5.
Slide the drive forward to clear the aluminum plate covering the back portion.
6. Locate the eight
segment
drive select switch
on
the rear of the drive electronics
board
mounted
on
the underside of
the
drive module (see Figure 1-3).
7.
Set
the
switch segments according to the following diagram.
Segments
Select
Code
1 2 3 4
5
6 7 8
3
ON OFF
OFF OFF ON OFF OFF OFF
2
OFF ON OFF
OFF
OFF
ON OFF OFF
1
OFF OFF ON
OFF
OFF
OFF ON OFF
0
OFF OFF OFF ON
OFF
OFF
OFF ON
Figure 1-3.
Setting
the
Drive Number
8.
If
you
changed
the drive
number,
be
sure
to
change the
number
on
the
front of
the
drive.
9. Re-assemble
the
unit.
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