User`s manual
System
2800
User's
Manual
III.
USER'S
GUIDE
3.1
Operating
the
tualstor
8"
Floppy
Disk
Drives
1)
Turn
on
the
f.Ower
switch
at
the
rear
of
the
Vector
3
console.
2)
'Ib
turn
on
the
disk
drives
and
the
Vector
3
computer
press
the
rocker
swi
tch
marked
"KWER"
on
the
front
Panel
of
the
DualStor.
If
you
have
not
already
done
so,
test
your
connection
to
the
disk
controller
by
typing
V
(for
boot
I:ualstor)
without
any
disks
in
drive
A.
The
Monitor
prompt
should
return
immediately.
If
the
light
on
drive
A
stays
on,
do
not
try
to
boot
up
the
CP/M
system
disk.
Turn
your
power
off
and
check
your
controller
cable
connection,
it
may
need
to
be
reversed.
3)
Insert
a
system
disk
in
the
right
hand
drive,
drive
0,
with
the
label
side
up.
Press
down
on
the
door
until
it
locks
in
the
closed
position.
In
order
for
the
System
2800
to
work,
a
Vector
Graphic
4.1
banner
and
prompt
must
appear
on
the
screen
after
the
system
warms
up.
4)
D=press
the
V
key
on
the
keyboard
and
the
Vector
3
will
access
drive
and
load
the
operating
system
into
the
canputer.
When
the
drive
is
accessed
you
will
hear
a
click
or
series
of
clicks
as
the
head
is
loaded
and
unloaded
onto
the
disk
surface.
The
red
LED
in
the
door
release
button
will
glow
brightly
as
the
disk
is
being
accessed.
5)
To
remove
a
disk,
simply
press
in
on
the
front
panel
door
release
button.
3.2
Kinds
of
Disks
For
8"
floppy
disk
drives
there
is
a
choice
of
using
industry
standard
8"
double
sided,
double
density
or
single
sided,
single
density
soft
sectored
(IBM
format)
disks.
There
will
be
no
sector
holes
in
the
disk
and
one
index
hole
around
the
edge
of
the
center
hole.
Record
length
should
be
256
bytes
for
double
density
versions
and
128
bytes
for
the
single
density
version.
Get
these
disks
from
canputer
stores
or
from
other
computer
supply
sources.
00
NOT
USE
8"
DISKS
'mAT
HAVE
BEEN
HARD
SECTORED;
THEY
WILL
NOT
WORK.
3.3
Using
double,
single
and
mixed
density
disks
The CP/M
System
Disk
comes
configured
with
a mixed
density
CP/M
operating
system.
'Ibis
means
that
when
you
boot
up
your
disk,
you
have
the
caPability
of
accessing
either
a
single
or
double
density
disk.
Drive
numbers A, B, C
and D
are
used
for
double
density.
Drive
numbers E,
F,
G
and
H
are
used
for
single
density.
Therefore,
if
you
boot
up
your
disks
in
mixed
density,
(designated
by
the
CP/M
sign-on
"VEC'IOR
GRAPHIC
XXK
CP/M
VERSION
2.
XX
MD")
and
type
"DIR
F:",
the
system
will
look
at
the
second
drive
for
a
s:lrigle
Rev.
l-C
8/15/80
3-1