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Daisy Chain Capability
The drive
provides
the
address
selection
and
gating
functions
necessary to daisy chain a maximum of four units at the user's option.'
The
last
drive
of
the
daisy
chain terminates the interface.
The
terminations
are
accomplished by a resistor array plugged into a DIP
socket.
Internal Trim Erase
The
drive
provides
the
control
signals
necessary for proper trim
erasure of data.
Industry Standard Interface Compatibility
The drive is compatible with controllers that use an industry standard
interface.
Track 0 Sensor
The
Track 0 sensor is provided to generate a logic level at the drive
interface,
indicating that the read/write head is
positioned
at the
outermost track.
Index Sensor
An index sensor is provided to generate electrical pulses at the drive
interface coincident with sensing Index/Sector holes on the diskette.
Activity Indicator
An
activity
indicator,
located on the front panel,
is automatically
illuminated when the drive is selected.
Compact Size
The reduced height of the drive enables it to occupy only one-half the
mounting space required for a conventional drive.
1.4
FUNCTIONAL DESCRIPTION
The drives are fUlly self-contained, and require no operator interven-
tion during normal operation.
Each drive consists of a spindle drive
system, a head positioning system, and a read/write system.
1-2
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