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Tandy 1000 Technical Reference Manual

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Tandy 1000
4-2-4-2.
Setting
of
the
maximum
track
number
Technical Reference Manual
Before
the
check
and
the
adjustment
of
the
FOD,
set
the
maximum
track
number
according
to
the
following
instructions.
Usually
the
maximum
track
number
is
set
to
79
at
the
initial
setting,
change
it
to
39.
The
setting
will
be
maintained
until
the
main
DC
power
(for
SKA)
is
turned
off,
or
until
the
RESET
switch
of
the
SKA
is
depressed.
Since
the
FD
PWR
switch
is
independent
of
this
setting,
it
is
convenient
to
maintain
the
main
DC
power
on
for
the
successive
operations.
(1)
Key
in
"CF" (SET
TMAX)
(2) The maximum
track
number
set
at
that
time
is
indecated
with
the
latter
two
digits
of
the
DATA
indicator
CIJCIJ
(track).
Note:
If
there
is
no
change
in
the
maximum
track
number
in
item
(2),
depress
"F"
key.
(3) Key
in
the
maximum
track
number
(39)
of
the
FDD
in
two
digits
of
decimal
notation.
e.g.
MAXIMUM
TRACK
NUMBER
39
(40
cylinders):
CF
39
-
4021
-

Table of Contents

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Tandy 1000 Specifications

General IconGeneral
ProcessorIntel 8088
Processor Speed4.77 MHz
RAM128 KB (expandable to 640 KB)
Operating SystemMS-DOS 2.11
ManufacturerTandy Corporation
Release Year1984
StorageSingle or double 5.25" floppy disk drive (360 KB), optional hard drive
SoundTandy 3-voice sound
PortsParallel, Serial
GraphicsCGA (Color Graphics Adapter)
Graphics Modes320x200, 640x200

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