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CHAPTER 1
GENERAL INFORMATION
This
document describes
the Model
FDl165
8-Inch Flexible
Disk Drive and gives specification, installation, and inter-
face
information
in sufficient detail
for
evaluating and
planning systems.
1.1
GENERAL DESCRIPTION
The Model FDl165 Flexible Disk Drive is a compact magnetic
disk storage device that uses single- or dual-sided flexible
disks.
wi th a dual-sided flexible disk and double-densi ty
format, the maximum storage capacity is
l.~
million bytes.
The disk drive is designed for a long, trouble-free service
life
and
has
a
field-proven
mean-time-between-failures
(MTBF) of 24,000 hours.
1.2
FEATURES
The Model FDl165 Flexible Disk Drive is operated by an ex-
ternal
controller
(NEe
~PD765
is
recommended)
through
a
transistor-transistor
logic
(TTL)
interface.
Dc power
is
supplied and controlled externally.
Operator controls on
the disk drive consist of a door handle and READY and BUSY
lamps on the front panel (see Figure 1-1).
1.2.1
Compact Size and Design
The most apparent features of the Model FDl165 Flexible Disk
Drive are its small size and light weight.
The disk drive
measures 8.55 inches
(217.2
mm)
high, by 2.28 inches (58.0
mm)
wide,
by 13.20 inches
(335.0 mm)
deep and weighs 7. 7
pounds
(3.5 kg)
,t
The disk drive has all the features and
performance of conventional units, and maintains media and
interface compatibility with
them.
Because
of
its small
size, two disk drives can be mounted in the same space as
one conventional drive.
If only one disk drive is mounted,
the remaining space can be used to store flexible disks.
1-1
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