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HARDWARE __________________________________________________ _
CHOICE OF DISK DRIVES
The 820-11 system comes optionally configured with
5V4"
or 8" Dual Floppy, or 8" Rigid Disk
Drives.
The disk
drives
offer high data storage capacity, fast data retrieval, and allow data to be accessed in random order.
(See page 17 for more information.)
8" Dual Floppy Disk
Drive
8" Rigid
5V4"
Dual Floppy
Disk
Drive
~
1\
~
~
~
1\
'
..
~~
n
n
~~
B
~
-
~
J
~
~
The floppy disk
drives
are
very
similar in operation, but differ in physical appearance. The following
paragraphs describe how disks are inserted into the
drives.
• The
5V4" drive
is opened by pulling on the left edge of the latch which is
over
the
drive
opening. Once a disk is inserted into the
drive,
the latch is closed by pushing the left side of
the latch until it clicks into place.
• The 8" floppy disk
drive
is opened by pressing on the oblong button be·side the disk door.
There is a small red light on the oblong button. To close the door, pull the door to the left
until it latches. This procedure is the same for the 8" floppy disk
drive
which accompanies
the 8" rigid disk
drive.
When purchasing disks, specify:
5V4"
40 track, soft sectored floppy disk, double density certified
8" 77 track, soft sectored floppy disk, double density certified
If your 820-11 disk
drive
is double-sided, be sure you purchase disks that are certified for use in double-
sided
drives.
14
J
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