HP OfficeJet 250 series User manual

Operating
The
HP250
Operating
The
HP250

Operating
the
HP250
Manual Part No. 45260-90002 E1281
Hewlett-Packard
COlDpaDY
19140 Homestead Road, Cupertino, California, U.S.A 95014
Operating
the
HP250
Manual Part No. 45260-90002 E1281
Hewlett-Packard
COlDpaDY
19140 Homestead Road, Cupertino, California, U.S.A 95014

Printing History
New
editions
of
this
manual
will
incorporate
all
material
updated
since
the
previous
edition.
Update
packages
may
be
issued
between
editions
and
contain
replacement
and
additional
pages
to
be
merged
into
the
manual
by
the
user.
Each
updated
page
will
be
indicated
by
a
revised
date
at
the
bottom
of
the
page.
A
vertical
bar
in
the
margin
indicates
the
changes
on
each
page.
Note
that
pages
which
are
rearranged
due
to
changes
on
a
previous
page
are
not
considered
revised.
The
manual
printing
date
and
part
number
indicate
its
current
edition.
The
printing
date
changes
when
a
new
edition
is
printed.
(Minor
corrections
and
updates
which
are
incorporated
at
reprint
do
not
cause
the
date
to
change.)
The
manual
part
number
changes
when
extensive
technical
changes
are
incorporated.
November
1981
•••
FIRST
EDITION
January
1982
•••
revised
pages
for
ii
through
vii,
2-1,
2-3, 2-6,
5-1,5-5,
5-13,
6-2,
C-1,
C-2
NOTICE
The
information
contained
in
this
document
is
subject
to
change
without
notice.
HEWLETT-PACKARD
MAKES
NO
WARRANTY
OF
ANY
KIND WITH
REGARD
TO
THIS
MATERIAL,
INCLUDING,
BUT
NOT
LIMITED
TO,
THE
IMPLIED
WARRANTIES
OF
MERCHANTABILITY
AND
FITNESS
FOR
APARTICULAR
PURPOSE.
Hewlett-Packard
shall
not
be
liable
for
errors
contained
herein
or
for
incidental
or
consequential
damages
in
connection
with
the
furnishing-,
performance,
or
use
of
this
material.
Hewlett-Packard
assumes
no
responsibility
for
the
use
or
relia-
bility
of
its
software
on
equipment
that
is
not
furnished
by
Hewlett-Packard.
This
document
contains
proprietary
information
which
is
protected
by
copyright.
All
rights
are
reserved.
No
part
of
this
document
may
be
photocopied,
reproduced,
or
translated
to
another
program
language
without
the
prior
written
consent
of
Hewlett-Packard
Compa
ny.
ii
Printing History
New
editions
of
this
manual
will
incorporate
all
material
updated
since
the
previous
edition.
Update
packages
may
be
issued
between
editions
and
contain
replacement
and
additional
pages
to
be
merged
into
the
manual
by
the
user.
Each
updated
page
will
be
indicated
by
a
revised
date
at
the
bottom
of
the
page.
A
vertical
bar
in
the
margin
indicates
the
changes
on
each
page.
Note
that
pages
which
are
rearranged
due
to
changes
on
a
previous
page
are
not
considered
revised.
The
manual
printing
date
and
part
number
indicate
its
current
edition.
The
printing
date
changes
when
a
new
edition
is
printed.
(Minor
corrections
and
updates
which
are
incorporated
at
reprint
do
not
cause
the
date
to
change.)
The
manual
part
number
changes
when
extensive
technical
changes
are
incorporated.
November
1981
•••
FIRST
EDITION
January
1982
•••
revised
pages
for
ii
through
vii,
2-1,
2-3, 2-6,
5-1,5-5,
5-13,
6-2,
C-1,
C-2
NOTICE
The
information
contained
in
this
document
is
subject
to
change
without
notice.
HEWLETT-PACKARD
MAKES
NO
WARRANTY
OF
ANY
KIND WITH
REGARD
TO
THIS
MATERIAL,
INCLUDING,
BUT
NOT
LIMITED
TO,
THE
IMPLIED
WARRANTIES
OF
MERCHANTABILITY
AND
FITNESS
FOR
APARTICULAR
PURPOSE.
Hewlett-Packard
shall
not
be
liable
for
errors
contained
herein
or
for
incidental
or
consequential
damages
in
connection
with
the
furnishing-,
performance,
or
use
of
this
material.
Hewlett-Packard
assumes
no
responsibility
for
the
use
or
relia-
bility
of
its
software
on
equipment
that
is
not
furnished
by
Hewlett-Packard.
This
document
contains
proprietary
information
which
is
protected
by
copyright.
All
rights
are
reserved.
No
part
of
this
document
may
be
photocopied,
reproduced,
or
translated
to
another
program
language
without
the
prior
written
consent
of
Hewlett-Packard
Compa
ny.
ii

Table of Contents
Chapter
1: System Overview
Chapter
2: System Start-Up
....
....
Dis
c.
..2-1
•
••
2-1
••
2-3
• • • • • • • • • • • • • 2 - 4
• • • • •
•••••••
2- 6
• • • • • • • •
••••••
2- 6
•
•••••••••••••••
2- 8
.
...
Uni
t
•••
Dri
ve.
or
7912
.....
Loading
from
an
Integrated
Storage
Loading
from
the
Cartridge
Tape
Loading
from
the
HP
7908,
7911,
Loading
from
a
Flexible
Disc
Drive.
Loading
from
a
HP
7906
Disc
Drive
•••••
Using
a 5 Mb.
Disc
Drive
••••
Shutting
Down
the
System.
Chapter
3: Workstations
SECTION A:
The
HP
2622D
Personal
Workstation
Display...............................
••••
•••••••••
3-2
Thermal
Printer
(Optional)..........
•
••••••••••••••••
3-3
Keyboard.
• • • • • • • • • • • • • • • • •
••••••••••••••••••••••••
-
•••••••
3-3
Typewri
ter
Block.......
••••
•
•••
••
•••••••••••
•
••••
3-3
Data
Entry
Pad.....................
•
•••••••••••••••
3-5
Display
Editing
Keys
••••••••••••••••••••••••••••••••
3-6
Execute
Key..
•••••
••••••••••••••
••••••••••
..3-7
Halt
Key........
•
•••••
3-7
Remote
Keys..
••• •••
••••
•••••••••••
..3-8
Softkeys...................
•••••••••••••••••••
•
••••
3-8
User-Defined
Keys
•••••••••••••••••••••••••••••••
3-9
System
Defined
Keys.
••••••••••
••••••••••
•
•••
3-10
Shift
Function
Keys
•••••••••••••••••••••••••••
3-10
Setting
2622D
Configuration.
•••••••••
•
••••
3-10
Printing
a
Screen
Image
to
Thermal
Printer.
.3-11
The
Status
Display.....
••••••••
..3-12
Softkey
Set
Status
•••••••••••••••
.3-12
Modem
Status.............
••••
..3-12
Insert
Character
Status...
•
•••••••••••••
3-12
Displaying
All
Softkey
Labels.
•
•••••••••••
3-12
Control
Function
Keys..........
•
•••••••••••••
3-14
Line
Drawing
Character
Set.
•••••
•
••••••••
3-14
Display
Character
Set...
..3-15
Display
Enhancement
Set
••••••••••••••••••••••
3-15
SECTION
B:
The
HP
250/35
Integral
Workstation
Display
•••••••••••••••••••••
0
••••••••••••••••••••••••••••••
3-16
Keyboard
•••••••••••••••••••••••••••••••••••••••••••••••••••
3-17
Typewriter
Block.......................
•
•••••••••••••
3-17
Rev.
1/82
iii
Table of Contents
Chapter
1: System Overview
Chapter
2: System Start-Up
....
....
Dis
c.
..2-1
•
••
2-1
••
2-3
• • • • • • • • • • • • • 2 - 4
• • • • •
•••••••
2- 6
• • • • • • • •
••••••
2- 6
•
•••••••••••••••
2- 8
.
...
Uni
t
•••
Dri
ve.
or
7912
.....
Loading
from
an
Integrated
Storage
Loading
from
the
Cartridge
Tape
Loading
from
the
HP
7908,
7911,
Loading
from
a
Flexible
Disc
Drive.
Loading
from
a
HP
7906
Disc
Drive
•••••
Using
a 5 Mb.
Disc
Drive
••••
Shutting
Down
the
System.
Chapter
3: Workstations
SECTION A:
The
HP
2622D
Personal
Workstation
Display...............................
••••
•••••••••
3-2
Thermal
Printer
(Optional)..........
•
••••••••••••••••
3-3
Keyboard.
• • • • • • • • • • • • • • • • •
••••••••••••••••••••••••
-
•••••••
3-3
Typewri
ter
Block.......
••••
•
•••
••
•••••••••••
•
••••
3-3
Data
Entry
Pad.....................
•
•••••••••••••••
3-5
Display
Editing
Keys
••••••••••••••••••••••••••••••••
3-6
Execute
Key..
•••••
••••••••••••••
••••••••••
..3-7
Halt
Key........
•
•••••
3-7
Remote
Keys..
••• •••
••••
•••••••••••
..3-8
Softkeys...................
•••••••••••••••••••
•
••••
3-8
User-Defined
Keys
•••••••••••••••••••••••••••••••
3-9
System
Defined
Keys.
••••••••••
••••••••••
•
•••
3-10
Shift
Function
Keys
•••••••••••••••••••••••••••
3-10
Setting
2622D
Configuration.
•••••••••
•
••••
3-10
Printing
a
Screen
Image
to
Thermal
Printer.
.3-11
The
Status
Display.....
••••••••
..3-12
Softkey
Set
Status
•••••••••••••••
.3-12
Modem
Status.............
••••
..3-12
Insert
Character
Status...
•
•••••••••••••
3-12
Displaying
All
Softkey
Labels.
•
•••••••••••
3-12
Control
Function
Keys..........
•
•••••••••••••
3-14
Line
Drawing
Character
Set.
•••••
•
••••••••
3-14
Display
Character
Set...
..3-15
Display
Enhancement
Set
••••••••••••••••••••••
3-15
SECTION
B:
The
HP
250/35
Integral
Workstation
Display
•••••••••••••••••••••
0
••••••••••••••••••••••••••••••
3-16
Keyboard
•••••••••••••••••••••••••••••••••••••••••••••••••••
3-17
Typewriter
Block.......................
•
•••••••••••••
3-17
Rev.
1/82
iii

Table
of
Contents
·..................
·...........
•
•••••
3-19
..3-19
..3-21
..3-21
•
•••••
3-22
••••••
3-22
••••••
3-23
••••••
3-23
•
••
3-24
•
•••••••
3- 24
.
..
·.....
·...
·..
·...
·..
·.....
......
·.
·....
...
...
·..........
·.........
·......
.............
·.
·....
..
Data
Entry
Pad
••••••••
Display
Editing
Keys
•••••
Exe
cu
te
Key.
Halt
Key
••••••••••••
Softkeys
••••
User
Defined
Softkeys.
Control
Function
Keys.
Line
Drawing
Character
Set
••••••
hisplay
Character
Set
•••••••••••••
Display
Enhancement
Set
••••
SECTION
C:
The
HP
2649D
Workstation
.............................
·..
·...
..
...
·.....
·..
·...
·.......
·...............•
•••
3-25
••••
3-26
..3-26
••
3-28
•
•••••
3-
28
• • • • • • • • • • • • • • • • • • 3- 30
••••••
3-30
••••••••••••••••••••••
3-
31
..3-32
..3-32
•
•••••
3-33
.3-33
•
•••••••
3- 34
•
•••••••••••••
3- 34
•
•••••••••••••
3 - 3 5
••••••
3-35
·....
·.........
·........................
.....
·..........
• • •••
.....
...........
Display................
•••••••••••••••••••••••
••
Keyboard
•••••••••••••••••••••••••••••••••••••••••••••
Typewriter
Block
••••
Data
Entry
Pad
••••
Display
Editing
Keys
••••••••••••
Execute
Key
•••••••••
Halt
Key
••••
Remote
Keys
•••••••••••••••••••••
Softkeys
•••••••••••
User
Defined
Softkeys.
Control
Function
Keys
••••••••••••••••••••••
Line
Drawing
Character
Set
••••••••••••••
Display
Character
Set
••••••••••••••
Display
Enhancement
Set
•••••••••••
Testing
the
2649D
Workstation
••••••••••••
Extended
Tests
•••••••••••••
Chapter
4: Keyboard Operations
Sol
vi
n
gAr
i t h
met
i
cPr
0b1e
ms
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • 4- 1
Correcting
Typographical
Errors
•••••••••••••••••••••••••
4-4
Understanding
Error
Messages.........
••
•••••
•
••••••••
4-5
Chapter
5:
Storage
Devices
and
Media
I
HP
Integrated
Storage
Product
•••••••••••••••••••••••••••••••
5-2
HP
7908, 7911,
and
7912
Disc
Drives
••••••••••••••••••••••
5-2
Cartridge
Tape
Drive.,.........................
•
••••••••
5-3
Tape
Cartrj.dges
•••••••••••••••••••••••••••••••••••••••
5-3
Handling
Tape
Cartridges
•••••••••••••••••••
•
••••
5-4
Inserting
a
Tape
Cartridge.....
•
•••••••••••••••
5-4
Using
the
Tape
Drive
•••••••••••••••••••••••••••••••
5-5
Removing
a
Tape
Cartridge
••••••••••••••••••••••••••
5-5
Flexible
Disc
Drive
•••••••••••••••••••••••••••••••••••••••••
5-7
Handling
Flexible
Discs
••••••••••••••••••••••••••••••••••
5-7
Inserting
a
Flexible
Disc
••••••••••••••••••••••••••••••••
5-8
Removing
a
Flexible
Disc......................
•
••••••••
5-8
iv
Rev.
1/82
Table
of
Contents
·..................
·...........
•
•••••
3-19
..3-19
..3-21
..3-21
•
•••••
3-22
••••••
3-22
••••••
3-23
••••••
3-23
•
••
3-24
•
•••••••
3- 24
.
..
·.....
·...
·..
·...
·..
·.....
......
·.
·....
...
...
·..........
·.........
·......
.............
·.
·....
..
Data
Entry
Pad
••••••••
Display
Editing
Keys
•••••
Exe
cu
te
Key.
Halt
Key
••••••••••••
Softkeys
••••
User
Defined
Softkeys.
Control
Function
Keys.
Line
Drawing
Character
Set
••••••
hisplay
Character
Set
•••••••••••••
Display
Enhancement
Set
••••
SECTION
C:
The
HP
2649D
Workstation
.............................
·..
·...
..
...
·.....
·..
·...
·.......
·...............•
•••
3-25
••••
3-26
..3-26
••
3-28
•
•••••
3-
28
• • • • • • • • • • • • • • • • • • 3- 30
••••••
3-30
••••••••••••••••••••••
3-
31
..3-32
..3-32
•
•••••
3-33
.3-33
•
•••••••
3- 34
•
•••••••••••••
3- 34
•
•••••••••••••
3 - 3 5
••••••
3-35
·....
·.........
·........................
.....
·..........
• • •••
.....
...........
Display................
•••••••••••••••••••••••
••
Keyboard
•••••••••••••••••••••••••••••••••••••••••••••
Typewriter
Block
••••
Data
Entry
Pad
••••
Display
Editing
Keys
••••••••••••
Execute
Key
•••••••••
Halt
Key
••••
Remote
Keys
•••••••••••••••••••••
Softkeys
•••••••••••
User
Defined
Softkeys.
Control
Function
Keys
••••••••••••••••••••••
Line
Drawing
Character
Set
••••••••••••••
Display
Character
Set
••••••••••••••
Display
Enhancement
Set
•••••••••••
Testing
the
2649D
Workstation
••••••••••••
Extended
Tests
•••••••••••••
Chapter
4: Keyboard Operations
Sol
vi
n
gAr
i t h
met
i
cPr
0b1e
ms
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • 4- 1
Correcting
Typographical
Errors
•••••••••••••••••••••••••
4-4
Understanding
Error
Messages.........
••
•••••
•
••••••••
4-5
Chapter
5:
Storage
Devices
and
Media
I
HP
Integrated
Storage
Product
•••••••••••••••••••••••••••••••
5-2
HP
7908, 7911,
and
7912
Disc
Drives
••••••••••••••••••••••
5-2
Cartridge
Tape
Drive.,.........................
•
••••••••
5-3
Tape
Cartrj.dges
•••••••••••••••••••••••••••••••••••••••
5-3
Handling
Tape
Cartridges
•••••••••••••••••••
•
••••
5-4
Inserting
a
Tape
Cartridge.....
•
•••••••••••••••
5-4
Using
the
Tape
Drive
•••••••••••••••••••••••••••••••
5-5
Removing
a
Tape
Cartridge
••••••••••••••••••••••••••
5-5
Flexible
Disc
Drive
•••••••••••••••••••••••••••••••••••••••••
5-7
Handling
Flexible
Discs
••••••••••••••••••••••••••••••••••
5-7
Inserting
a
Flexible
Disc
••••••••••••••••••••••••••••••••
5-8
Removing
a
Flexible
Disc......................
•
••••••••
5-8
iv
Rev.
1/82

Table
of
Contents
The
HP
7906
Disc
Drive
••••••••
Removable
Disc
Cartridges
••••••••••••••••••••
~
••
~
••
a
•••••
5-!
Storing
Disc
Cartridges
•••••••••••••••••••••••••••••••
5-9
Using
the
HP
7906................
•
•••••
L
••••••••••
5.-10
Starting
up
the
HP
7906......
,..
•
••••••••
~
•••••
5-11
Changing
a
Disc
Cartridge.....
•••
•
•••••••••
5-12
Shutdown
Procedure
~
••
5-12
5Mb.
Disc
Drive........................
•
••
~
•••••
_
~~131
Chapter
6: Printers
HP
2631
Dot
Matrix
Printers............................
..6-2
Loading
Paper...............
••••
•
••••••••••••••
6-2
Replacing
Ribbon
Cartridges.
••
•••••••••••••
..6-4
Removal...............
•••••••••••••••••
•••••••
6-4
Installation.
••••••••••••••
•••••••••
..6-4
Cleaning
the
Print
Head..........
•
•••••••••••••••••••
6-4
HP
2608A
Printer
•••••••••••••••••••••
•
•••••••••••
6-5
Operator
Safety.........
•••
•••
•
••••••••
6-5
Loa
din
g
and
Ad
ju
s
tin
g
Pap
e"r. • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 6- 5
Replacing
Ribbon
Cartridges.....
•••••
•
••••••••••
6-8
Removal.....................................
•
•••••••
6-9
Installation.
••••
••••••••
•
••••••••••••••••••••••
6-9
HP
2601
Letter
Quality
Printer..........................
.6-10
Loading
Paper
or
Forms........
••
•
•••••••••
6-10
Paper
Thickness/Print
Intensity
Adjustment
•••••••••••
6-10
Installing
a
Print
Wheel
••••••••••••••••••••••••••••••
6-11
Replacing
a
Ribbon
Cartridge.............
•
•••••••••••
6-12
Cleaning
Print
Wheels...........
•
••••••••••••••••••••
6-13
Changing
Ribbons
During
Operation.........
•••
•
•••
6-13
Cleaning
the
Print
Hammer
•••••••••••••••••••••••••••••••
6-13
UP
2622D
Thermal
Printer
•••••••••••••••••••••••••••••••••••
6-14
Loading
Thermal
Printer
Paper........
•
••••••••••••••
6-14
Chapter
7: Graphics Devices
Graphics
Plotters......
•••••••••
••••
••••
•
•••••••••
7-1
Turfiing'on~AC
Power.
•••••••••••
•
•••••••••••••••••••
7-3
Loading
Pens
and
Paper...
•••••••
•
•••••••
7-4
Disabling
the
Plotter.....
•••
••
..............7-5
Changing
Pens..................................
•
••••••
7-5
Changing
Sheet
Paper.................
• • • • • • • •
••
7-7
Changing
Roll
Paper...
•••
•••••
•
•••••••
7-8
Loading
Overhead
Transparency
Materials
7-9
Transparency
Film
Pens.......................
•
•••••••••
7-9
Transparency
Film
•••••••••••••••••••••••••••••••••••••••
7-10
Limitation
of
some
early
HP
7225A
Models
••••••••••••••••
7-10
Routine
Maintenance
••••••••••••••••••••••••••••••••••••••
7-11
Electrostatic
Paper
Hold-Down
Surface
Cleaning
••••••••••
7-11
A1T
Ftlt~r
CI~aning
••••••••••••••••••••••
~.....
•
•••••
7-12
Rev.
1/82
v
Table
of
Contents
The
HP
7906
Disc
Drive
••••••••
Removable
Disc
Cartridges
••••••••••••••••••••
~
••
~
••
a
•••••
5-!
Storing
Disc
Cartridges
•••••••••••••••••••••••••••••••
5-9
Using
the
HP
7906................
•
•••••
L
••••••••••
5.-10
Starting
up
the
HP
7906......
,..
•
••••••••
~
•••••
5-11
Changing
a
Disc
Cartridge.....
•••
•
•••••••••
5-12
Shutdown
Procedure
~
••
5-12
5Mb.
Disc
Drive........................
•
••
~
•••••
_
~~131
Chapter
6: Printers
HP
2631
Dot
Matrix
Printers............................
..6-2
Loading
Paper...............
••••
•
••••••••••••••
6-2
Replacing
Ribbon
Cartridges.
••
•••••••••••••
..6-4
Removal...............
•••••••••••••••••
•••••••
6-4
Installation.
••••••••••••••
•••••••••
..6-4
Cleaning
the
Print
Head..........
•
•••••••••••••••••••
6-4
HP
2608A
Printer
•••••••••••••••••••••
•
•••••••••••
6-5
Operator
Safety.........
•••
•••
•
••••••••
6-5
Loa
din
g
and
Ad
ju
s
tin
g
Pap
e"r. • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 6- 5
Replacing
Ribbon
Cartridges.....
•••••
•
••••••••••
6-8
Removal.....................................
•
•••••••
6-9
Installation.
••••
••••••••
•
••••••••••••••••••••••
6-9
HP
2601
Letter
Quality
Printer..........................
.6-10
Loading
Paper
or
Forms........
••
•
•••••••••
6-10
Paper
Thickness/Print
Intensity
Adjustment
•••••••••••
6-10
Installing
a
Print
Wheel
••••••••••••••••••••••••••••••
6-11
Replacing
a
Ribbon
Cartridge.............
•
•••••••••••
6-12
Cleaning
Print
Wheels...........
•
••••••••••••••••••••
6-13
Changing
Ribbons
During
Operation.........
•••
•
•••
6-13
Cleaning
the
Print
Hammer
•••••••••••••••••••••••••••••••
6-13
UP
2622D
Thermal
Printer
•••••••••••••••••••••••••••••••••••
6-14
Loading
Thermal
Printer
Paper........
•
••••••••••••••
6-14
Chapter
7: Graphics Devices
Graphics
Plotters......
•••••••••
••••
••••
•
•••••••••
7-1
Turfiing'on~AC
Power.
•••••••••••
•
•••••••••••••••••••
7-3
Loading
Pens
and
Paper...
•••••••
•
•••••••
7-4
Disabling
the
Plotter.....
•••
••
..............7-5
Changing
Pens..................................
•
••••••
7-5
Changing
Sheet
Paper.................
• • • • • • • •
••
7-7
Changing
Roll
Paper...
•••
•••••
•
•••••••
7-8
Loading
Overhead
Transparency
Materials
7-9
Transparency
Film
Pens.......................
•
•••••••••
7-9
Transparency
Film
•••••••••••••••••••••••••••••••••••••••
7-10
Limitation
of
some
early
HP
7225A
Models
••••••••••••••••
7-10
Routine
Maintenance
••••••••••••••••••••••••••••••••••••••
7-11
Electrostatic
Paper
Hold-Down
Surface
Cleaning
••••••••••
7-11
A1T
Ftlt~r
CI~aning
••••••••••••••••••••••
~.....
•
•••••
7-12
Rev.
1/82
v

Table
of
Contents
Chapter
8: System Commands
•
.8-1
..8-2
•••
8-2
.8-2
.8-3
•
.8-4
..8-4
•
•••••••
8-4
••
8-5
..8-5
.8-5
••
8-6
.8-6
..8-6
•
.8-7
•
.8-8
•
.8-9
••
8-9
.8-10
•
8-10
•
8-10
.8-11
·
...
·..
..
...........
..
.....
.....
..........
...........
Accessing
Files
on
Storage
Devices
••••••••••••••••••
Assigning
Names
to
Storage
Media
(PRINT
LABEL)
•••••••
Physical
Addresses
••••••••••••••••••••••••••••••••••••
Changing
the
Default
Mass
Storage
Device
(MSI)
•••••
Ex
e
cu
tin
g
Pro
g
rams
(RUN)
••••
Erasing
the
Contents
of
Memory
(SCRATCH)
••••
File
Operations
•••••••••••••••
Storing
Programs
(STORE)
•••••••••
Transferring
Program
Files
into
Memory
(LOAD)..
•
•••••
Storing
Data
Files
(SAVE)...........
••••
•••
Transferring
Data
Files
into
Memory
(GET)
••••••••••••
Copying
a
File
(COpy)
••••••••••••••••••••••••••••••••
Copying
to
the
Same
Mass
Storage
Devices
•••••••
Copying
to
a
Different
Mass
Storage
Device
••••••••••
Cataloging
Files
(CATALOG)
•••••••
Selective
Catalogs......
••••
•
•••••••••••••
Deleting
Files
from
a
Mass
Storage
Device
(PURGE)
•••
Output
Commands
•••••••••••••••••••••••••••••••••••••••••
Peripheral
Addresses
•••••••••••••••••••••••••••••••••
Outputting
Listings
and
Catalogs
(SYSTEM PRINTER
IS)
•••
Printing
all
Displayed
Information
(PRINT
ALL
IS)
••••••
Setting
a
Printer
to
Top
of
Form
•••••••••••••••••••••••
Chapter
9: Maintenance
General
Cleaning
••••••••••••••••••••••••••••••••••••••••••••
9-1
·.........................
...
·...........................
............
.10-2
.10-2
.10-2
.10-3
.10-3
.10-3
·...
................
..................
..
..
·.......
Start-Up
Errors
•••••••••
Self-Test
Failure
••••••••••
System
Loading
Loader
Errors
••••••••
Configuration
Messages
••
Remote
Workstation
Failure.
Chapter
10: In
Case
of Difficulty
Processing
Errors.......................................
.10-4
Hardware
Failures.....
•••••••••••••
•
•••••••••••••••
10-4
Software
Errors
•••••••••••••••••••••••••••••••••••••••••
10-4
Operator
Errors..............................
••
•
•••
10-5
System
Errors
•••••••••••••••••••••••••••••••••••••••••••
10-5
System
Tests
•••••••••••••••••••••••••••••••••••••••••••••••
10-7
Display
Tests
•••••••••••••••••••••••••••••••••••••••••••
l0-8
Printer
Test
••••••••••••••••••••••••••••••••••••••••••••
10-9
Media
Test.......................
•
•••
'
••••••••••••••••
10-10
IBM
Media
Test......
•••••••
•
•••••••••••••••••
10-13
Keyboard
Test
••••••••••••••••••••••••••••••••••••••
10-14
Plotter
Test.........
•
••••••••••••••••••••••••••••••
10-15
vi
Table
of
Contents
Chapter
8: System Commands
•
.8-1
..8-2
•••
8-2
.8-2
.8-3
•
.8-4
..8-4
•
•••••••
8-4
••
8-5
..8-5
.8-5
••
8-6
.8-6
..8-6
•
.8-7
•
.8-8
•
.8-9
••
8-9
.8-10
•
8-10
•
8-10
.8-11
·
...
·..
..
...........
..
.....
.....
..........
...........
Accessing
Files
on
Storage
Devices
••••••••••••••••••
Assigning
Names
to
Storage
Media
(PRINT
LABEL)
•••••••
Physical
Addresses
••••••••••••••••••••••••••••••••••••
Changing
the
Default
Mass
Storage
Device
(MSI)
•••••
Ex
e
cu
tin
g
Pro
g
rams
(RUN)
••••
Erasing
the
Contents
of
Memory
(SCRATCH)
••••
File
Operations
•••••••••••••••
Storing
Programs
(STORE)
•••••••••
Transferring
Program
Files
into
Memory
(LOAD)..
•
•••••
Storing
Data
Files
(SAVE)...........
••••
•••
Transferring
Data
Files
into
Memory
(GET)
••••••••••••
Copying
a
File
(COpy)
••••••••••••••••••••••••••••••••
Copying
to
the
Same
Mass
Storage
Devices
•••••••
Copying
to
a
Different
Mass
Storage
Device
••••••••••
Cataloging
Files
(CATALOG)
•••••••
Selective
Catalogs......
••••
•
•••••••••••••
Deleting
Files
from
a
Mass
Storage
Device
(PURGE)
•••
Output
Commands
•••••••••••••••••••••••••••••••••••••••••
Peripheral
Addresses
•••••••••••••••••••••••••••••••••
Outputting
Listings
and
Catalogs
(SYSTEM PRINTER
IS)
•••
Printing
all
Displayed
Information
(PRINT
ALL
IS)
••••••
Setting
a
Printer
to
Top
of
Form
•••••••••••••••••••••••
Chapter
9: Maintenance
General
Cleaning
••••••••••••••••••••••••••••••••••••••••••••
9-1
·.........................
...
·...........................
............
.10-2
.10-2
.10-2
.10-3
.10-3
.10-3
·...
................
..................
..
..
·.......
Start-Up
Errors
•••••••••
Self-Test
Failure
••••••••••
System
Loading
Loader
Errors
••••••••
Configuration
Messages
••
Remote
Workstation
Failure.
Chapter
10: In
Case
of Difficulty
Processing
Errors.......................................
.10-4
Hardware
Failures.....
•••••••••••••
•
•••••••••••••••
10-4
Software
Errors
•••••••••••••••••••••••••••••••••••••••••
10-4
Operator
Errors..............................
••
•
•••
10-5
System
Errors
•••••••••••••••••••••••••••••••••••••••••••
10-5
System
Tests
•••••••••••••••••••••••••••••••••••••••••••••••
10-7
Display
Tests
•••••••••••••••••••••••••••••••••••••••••••
l0-8
Printer
Test
••••••••••••••••••••••••••••••••••••••••••••
10-9
Media
Test.......................
•
•••
'
••••••••••••••••
10-10
IBM
Media
Test......
•••••••
•
•••••••••••••••••
10-13
Keyboard
Test
••••••••••••••••••••••••••••••••••••••
10-14
Plotter
Test.........
•
••••••••••••••••••••••••••••••
10-15
vi

Appendix
A:
Glossary
Appendix
8:
Keyboards
Appendix
C:
Volume Specifiers
Appendix D: Using Softkeys
as
Typing Aids
Appendix E: Error Messages
vii
Appendix
A:
Glossary
Appendix
8:
Keyboards
Appendix
C:
Volume Specifiers
Appendix D: Using Softkeys
as
Typing Aids
Appendix E: Error Messages
vii


------------1~
1
__
System
Overview
Welcome
to
the
HP
250
Offi~e
Computer
System.
The
HP
250
is
an
easy-to-operate
business~omputer
that
allows
you
to
enter,
pro-
cess,
and
access
information,
and
output
reports
in
the
form
of
hard-copy
print
or
on
a
display
screen.
The
HP
250
Office
Computer
can
be
used
in
a
variety
of
environ-
ments,
from
small
single-user
configurations
to
larger
systems
capable
of
processing
several
tasks.
From
any
starting
configur-
ation,
the
system
can
be
expanded
to
meet
growing
business
needs.
To
allow
for
this
flexibility,
the
HP
250
has
been
designed
as
a
series
of
components.
Each
system
consists
of
four
major
compon-
ents:
the
central
processing
unit,
the
workstation,
the
mass
storage
device(s),
and
the
printer(s).
The
central
processing
unit
is
the
"brain"
of
your
system.
You
talk
to
it
via
the
key-
board
of
your
workstation,
which
resembles
an
office
typewriter.
The
display,
a
television-like
screen,
is
useful
for
viewing
in-
put
data
and
for
filling
forms.
The
mass
storage
devices
are
used
for
storing
and
accessing
information
and
programs.
The
actual
storage
medium
may
be
a
disc
or
a
tape
cartridge.
The
printer
is
used
to
produce
hard-copy
reports
which
contain
the
information
required
in
the
day-to-day
operation
of
your
busi-
ness.
HP 250/35
o•
I 1
-.a
=U::lo!d
...
".1\
,:::am
!:!!ll
HP 250/30
1-1
------------1~
1
__
System
Overview
Welcome
to
the
HP
250
Offi~e
Computer
System.
The
HP
250
is
an
easy-to-operate
business~omputer
that
allows
you
to
enter,
pro-
cess,
and
access
information,
and
output
reports
in
the
form
of
hard-copy
print
or
on
a
display
screen.
The
HP
250
Office
Computer
can
be
used
in
a
variety
of
environ-
ments,
from
small
single-user
configurations
to
larger
systems
capable
of
processing
several
tasks.
From
any
starting
configur-
ation,
the
system
can
be
expanded
to
meet
growing
business
needs.
To
allow
for
this
flexibility,
the
HP
250
has
been
designed
as
a
series
of
components.
Each
system
consists
of
four
major
compon-
ents:
the
central
processing
unit,
the
workstation,
the
mass
storage
device(s),
and
the
printer(s).
The
central
processing
unit
is
the
"brain"
of
your
system.
You
talk
to
it
via
the
key-
board
of
your
workstation,
which
resembles
an
office
typewriter.
The
display,
a
television-like
screen,
is
useful
for
viewing
in-
put
data
and
for
filling
forms.
The
mass
storage
devices
are
used
for
storing
and
accessing
information
and
programs.
The
actual
storage
medium
may
be
a
disc
or
a
tape
cartridge.
The
printer
is
used
to
produce
hard-copy
reports
which
contain
the
information
required
in
the
day-to-day
operation
of
your
busi-
ness.
HP 250/35
o•
I 1
-.a
=U::lo!d
...
".1\
,:::am
!:!!ll
HP 250/30
1-1

System
Overview
It
is
important
that
you
are
able
to
recognize
all
of
the
compo-
nents
of
your
system
and
understand
their
functions.
This
guide
describes
all
possible
com~on@nts
and
configurationg
of
the
HP
250.
Do
not
be
alarmed
if
you
see
a
picture
of
a
component
in
this
book
which
you
cannot
identify
as
part
of
your
system.
The
following
are
drawings
of
all
the
possible
components
of
your
system.
Learn
the
names
of
those
components
which
make
up
your
particular
configuration.
Then,
if
you
need
information
about
a
specific
component,
turn
to
either
the
Table
of
Contents
or
the
Index
of
this
manual.
HP
2622D Personal Workstation
HP
7908P Integrated Storage Product
HP
26490
Remote Workstation
HP
7906 Disc Drive
HP
2631A Line Printer
HP
2601 Line Printer
,
1-2
HP
2608 Line Printer
HP
Plotter
System
Overview
It
is
important
that
you
are
able
to
recognize
all
of
the
compo-
nents
of
your
system
and
understand
their
functions.
This
guide
describes
all
possible
com~on@nts
and
configurationg
of
the
HP
250.
Do
not
be
alarmed
if
you
see
a
picture
of
a
component
in
this
book
which
you
cannot
identify
as
part
of
your
system.
The
following
are
drawings
of
all
the
possible
components
of
your
system.
Learn
the
names
of
those
components
which
make
up
your
particular
configuration.
Then,
if
you
need
information
about
a
specific
component,
turn
to
either
the
Table
of
Contents
or
the
Index
of
this
manual.
HP
2622D Personal Workstation
HP
7908P Integrated Storage Product
HP
26490
Remote Workstation
HP
7906 Disc Drive
HP
2631A Line Printer
HP
2601 Line Printer
,
1-2
HP
2608 Line Printer
HP
Plotter

This
manual
is
organized
to
be
read
sequentially.
Chapters
2
through
4
contain
the
background
information
necessary
to
turn
the
system
on,
understand
your
workstation
keyboard
and
its
fea-
tures,
and
interact
with
the
computer.
Chapters
5,
6,
and
7
get
you
acquainted
with
the
different
types
of
storage
devices,
storage
media,
printers,
and
graphics
devices
that
may
be
part
of
your
HP
250;
it
is
important
that
you
recog-
nize
the
relationships
between
the
components
of
the
system.
Once
you
understand
the
different
components
of
your
HP
250
sys-
tem,
proceed
to
Chapter
8.
There
you
will
find
several
HP
250
BASIC
Commands
that
will
be
useful
in
the
day-to-day
operation
of
your
system.
Chapter
9
and
10
describe
typical
maintenance
procedures
and
what
to
do
if
you
encounter
a
problem
with
the
system.
The
appendices
provide
reference
material
that
you
may
find
occa-
sionally
helpful
(such
as
error
messages).
Words
printed
in
bold
type
throughout
the
manual
appear
in
the
Glossary
(Appendix
A).
As
stated
before,
you
may
find
that
some
of
the
material
in
this
manual
is
not
applicable
to
your
particular
configuration
or
your
daily
task.
We
do
recommend,
however,
that
you
hold
onto
this
information
for
future
reference.
You
may
someday
add
a
printer,
workstation,
or
mass
storage
device
to
your
system.
Additional-
ly,
your
daily
responsibilities
may
not
require
some
of
the
mate-
rial
presented
here,
but
you
should
take
the
time
to
read
it
any-
way;
that
way
you
will
know
where
to
find
the
answer
to
a
ques-
tion
that
may
come
up.
Even
though
various
HP
250
configurations
look
physically
differ-
ent,
you
will
have
no
problem
operating
your
system
once
you
rec-
ognize
and
understand
the
different
components.
Finally,
you
should
remember
that
this
guide
is
not
a
programming
manual.
The
information
presented
here
is
what
you
need
to
oper-
ate
your
HP
250
system.
If
you
need
programming
information,
you
should
consult
the
appropriate
manual,
which
is
included
in
the
HP
250
Programming
Manual
Kit.
1-3
This
manual
is
organized
to
be
read
sequentially.
Chapters
2
through
4
contain
the
background
information
necessary
to
turn
the
system
on,
understand
your
workstation
keyboard
and
its
fea-
tures,
and
interact
with
the
computer.
Chapters
5,
6,
and
7
get
you
acquainted
with
the
different
types
of
storage
devices,
storage
media,
printers,
and
graphics
devices
that
may
be
part
of
your
HP
250;
it
is
important
that
you
recog-
nize
the
relationships
between
the
components
of
the
system.
Once
you
understand
the
different
components
of
your
HP
250
sys-
tem,
proceed
to
Chapter
8.
There
you
will
find
several
HP
250
BASIC
Commands
that
will
be
useful
in
the
day-to-day
operation
of
your
system.
Chapter
9
and
10
describe
typical
maintenance
procedures
and
what
to
do
if
you
encounter
a
problem
with
the
system.
The
appendices
provide
reference
material
that
you
may
find
occa-
sionally
helpful
(such
as
error
messages).
Words
printed
in
bold
type
throughout
the
manual
appear
in
the
Glossary
(Appendix
A).
As
stated
before,
you
may
find
that
some
of
the
material
in
this
manual
is
not
applicable
to
your
particular
configuration
or
your
daily
task.
We
do
recommend,
however,
that
you
hold
onto
this
information
for
future
reference.
You
may
someday
add
a
printer,
workstation,
or
mass
storage
device
to
your
system.
Additional-
ly,
your
daily
responsibilities
may
not
require
some
of
the
mate-
rial
presented
here,
but
you
should
take
the
time
to
read
it
any-
way;
that
way
you
will
know
where
to
find
the
answer
to
a
ques-
tion
that
may
come
up.
Even
though
various
HP
250
configurations
look
physically
differ-
ent,
you
will
have
no
problem
operating
your
system
once
you
rec-
ognize
and
understand
the
different
components.
Finally,
you
should
remember
that
this
guide
is
not
a
programming
manual.
The
information
presented
here
is
what
you
need
to
oper-
ate
your
HP
250
system.
If
you
need
programming
information,
you
should
consult
the
appropriate
manual,
which
is
included
in
the
HP
250
Programming
Manual
Kit.
1-3


-------~--2--
System
Start-up
After
a
Hewlett-Packard
Customer
Engineer
has
installed
your
HP
250
system,
it
is
ready
to
operate.
Starting
up
(or
loading)
your
system
can
be
compared
to
starting
an
automobile.
Your
car
must
have
fuel
in
it
before
you
can
suc-
cessfully
start
it
by
turning
the
ignition
key.
In
the
same
way,
your
HP
250
must
have
a
version
of
the
system
software
available.
This
system
software
may
be
stored
on
a
fixed
disc
or
on
a
remov-
able
medium
such
as
a
tape
cartridge
or
flexible
disc.
It
is
the
"fuel"
required
to
start
your
system.
Once
you
have
successfully
started
your
system
up,
turn
it
off
only
when
you
are
sure
that
no
other
task
will
be
affected.
For
example,
you
may
have
completed
your
work
and
are
now
ready
to
leave
the
office
for
the
day.
If
you
shut
any
part
of
the
system
down
(including
a
disc
drive),
you
can
affect
work
being
done
by
another
person.
Loading From an Integrated
Storage
Unit
An
Integrated
Storage
Unit
consists
of
two
different
storage
devices
- a
cartridge
tape
drive
and
a
disc
(HP
7908,
7911,
or
7912).
When
your
system
first
arrives,
you
can
start
it
from
a
tape
cartridge
only.
Once
you
have
successfully
started
the
system
using
a
tape,
you
can
then
run
the
ROUTIL
Utility
Program
to
copy
all.files
on
a
tape
over
to
the
disc;
doing
this
allows
you
to
start
your
system
from
either
a
tape
cartridge
or
the
disc.
See
the
HP
250
System
Utilities
Manual
(45260-90061)
for
information
on
the
ROUTIL
Utility
Program.
Loading from
the
Cartridge Tape Drive
The
following
is
the
procedure
for
loading
your
HP
250
system
from
the
cartridge
tape
drive.
1.
Turn
the
Integrated
Storage
Unit
power
switch
to
the
ON
posi-
t
ion.
Rev.
1/82
2
-1
-------~--2--
System
Start-up
After
a
Hewlett-Packard
Customer
Engineer
has
installed
your
HP
250
system,
it
is
ready
to
operate.
Starting
up
(or
loading)
your
system
can
be
compared
to
starting
an
automobile.
Your
car
must
have
fuel
in
it
before
you
can
suc-
cessfully
start
it
by
turning
the
ignition
key.
In
the
same
way,
your
HP
250
must
have
a
version
of
the
system
software
available.
This
system
software
may
be
stored
on
a
fixed
disc
or
on
a
remov-
able
medium
such
as
a
tape
cartridge
or
flexible
disc.
It
is
the
"fuel"
required
to
start
your
system.
Once
you
have
successfully
started
your
system
up,
turn
it
off
only
when
you
are
sure
that
no
other
task
will
be
affected.
For
example,
you
may
have
completed
your
work
and
are
now
ready
to
leave
the
office
for
the
day.
If
you
shut
any
part
of
the
system
down
(including
a
disc
drive),
you
can
affect
work
being
done
by
another
person.
Loading From an Integrated
Storage
Unit
An
Integrated
Storage
Unit
consists
of
two
different
storage
devices
- a
cartridge
tape
drive
and
a
disc
(HP
7908,
7911,
or
7912).
When
your
system
first
arrives,
you
can
start
it
from
a
tape
cartridge
only.
Once
you
have
successfully
started
the
system
using
a
tape,
you
can
then
run
the
ROUTIL
Utility
Program
to
copy
all.files
on
a
tape
over
to
the
disc;
doing
this
allows
you
to
start
your
system
from
either
a
tape
cartridge
or
the
disc.
See
the
HP
250
System
Utilities
Manual
(45260-90061)
for
information
on
the
ROUTIL
Utility
Program.
Loading from
the
Cartridge Tape Drive
The
following
is
the
procedure
for
loading
your
HP
250
system
from
the
cartridge
tape
drive.
1.
Turn
the
Integrated
Storage
Unit
power
switch
to
the
ON
posi-
t
ion.
Rev.
1/82
2
-1

System
Start-up
2.
Insert
the
tape
cartridge
labeled
SYSTEM
into
the
drive,
label
side
up.
3.
Insert
the
key
into
the
processing
unit
and
turn
it
clockwise
to
posi
tion
1
(see
drawing
below).
The
drive
door
is
locked
automatically
during
loading.
If
the
BUSY
light
(indicating
that
the
drive
is
in
use)
never
comes
on,
it
may
mean
that
the
tape
cartridge
was
inserted
improperly.
Push
the
lever,
remove
the
tape,
re-insert
it
and
then
turn
the
key
again.
4.
A
system
self-test
is
performed
automatically
when
the
power
is
turned
on.
As
the
test
is
performed,
a
listing
of
system
components
is
shown
on
the
display
of
the
principal
workstation
(see
glossary
in
back).
If
any
component
fails,
the
system
is
not
operable.
If
this
occurs,
consult
the
chapter
titled
"In
Case
of
Difficulty".
2-2
System
Start-up
2.
Insert
the
tape
cartridge
labeled
SYSTEM
into
the
drive,
label
side
up.
3.
Insert
the
key
into
the
processing
unit
and
turn
it
clockwise
to
posi
tion
1
(see
drawing
below).
The
drive
door
is
locked
automatically
during
loading.
If
the
BUSY
light
(indicating
that
the
drive
is
in
use)
never
comes
on,
it
may
mean
that
the
tape
cartridge
was
inserted
improperly.
Push
the
lever,
remove
the
tape,
re-insert
it
and
then
turn
the
key
again.
4.
A
system
self-test
is
performed
automatically
when
the
power
is
turned
on.
As
the
test
is
performed,
a
listing
of
system
components
is
shown
on
the
display
of
the
principal
workstation
(see
glossary
in
back).
If
any
component
fails,
the
system
is
not
operable.
If
this
occurs,
consult
the
chapter
titled
"In
Case
of
Difficulty".
2-2

System
Start-up
5.
If
no
problem
occurs,
a
message
in
the
form:
SYSTEM
LOADING
foIl
owe
d
by:
LOADING
DROMS
is
shown.
The
message
remains
on
the
screen
for
about
30
seconds.
When
the
loading
process
is
complete,
a
blinking
underscore,
known
as
the
cursor,
is
displayed.
If
the
message:
The
"SYSTEM"
file
was
not
found
appears
on
the
screen
while
loading
the
tape
either
you
did
not
insert
the
cartridge
properly
or
the
tape
you
used
did
not
have
the
system
software
on
it.
You
should
turn
the
key
to
the
off
position
(0),
ensure
that
the
tape
cartridge
in
the
drive
is
lab-
eled
SYSTEM,
and
then
repeat
the
loading
procedure.
When
the
system
has
been
properly
loaded,
you
may
remove
the
tape
cartridge
labeled
SYSTEM
from
the
drive.
Press
the
UNLOAD
key
on
the
drive.
The
BUSY
light
will
flash.
When
the
tape
cartridge
is
ready
to
be
removed,
a
buzzer
sounds.
Pull
the
lever
gently
to
the
right
and
remove
the
cartridge
from
the
drive.
If
the
result
of
the
self-test
is
an
error
message
or
the
system
failed
to
power
on,
consult
the
section
titled
"In
Case
of
Difficulty".
Loading from the
HP
7908,7911,
or
7912 Disc
After
the
operating
system
has
been
copied
to
an
HP
7908,
7911,
or
7912
disc,
you
can
start
your
HP
250
directly
from
the
disc.
1.
Turn
the
power
switch
of
the
Integrated
Storage
Product
to
the
ON
(1)
position.
Ensure
that
no
storage
medium
labeled
SYSTEM
is
in
any
other
drive.
2.
Insert
the
key
of
the
HP
250
into
the
lock
and
turn
it
clock-
wise
to
position
1.
3.
A
system
self-test
is
automatically
performed
when
you
turn
the
power
on.
As
the
test
is
performed,
a
list
of
system
components
is
displayed.
If
any
component
fails,
the
system
is
not
operable;
consult
the
chapter
"In
Case
of
Difficulty"
if
this
occurs.
Rev.
1/82
2-3
System
Start-up
5.
If
no
problem
occurs,
a
message
in
the
form:
SYSTEM
LOADING
foIl
owe
d
by:
LOADING
DROMS
is
shown.
The
message
remains
on
the
screen
for
about
30
seconds.
When
the
loading
process
is
complete,
a
blinking
underscore,
known
as
the
cursor,
is
displayed.
If
the
message:
The
"SYSTEM"
file
was
not
found
appears
on
the
screen
while
loading
the
tape
either
you
did
not
insert
the
cartridge
properly
or
the
tape
you
used
did
not
have
the
system
software
on
it.
You
should
turn
the
key
to
the
off
position
(0),
ensure
that
the
tape
cartridge
in
the
drive
is
lab-
eled
SYSTEM,
and
then
repeat
the
loading
procedure.
When
the
system
has
been
properly
loaded,
you
may
remove
the
tape
cartridge
labeled
SYSTEM
from
the
drive.
Press
the
UNLOAD
key
on
the
drive.
The
BUSY
light
will
flash.
When
the
tape
cartridge
is
ready
to
be
removed,
a
buzzer
sounds.
Pull
the
lever
gently
to
the
right
and
remove
the
cartridge
from
the
drive.
If
the
result
of
the
self-test
is
an
error
message
or
the
system
failed
to
power
on,
consult
the
section
titled
"In
Case
of
Difficulty".
Loading from the
HP
7908,7911,
or
7912 Disc
After
the
operating
system
has
been
copied
to
an
HP
7908,
7911,
or
7912
disc,
you
can
start
your
HP
250
directly
from
the
disc.
1.
Turn
the
power
switch
of
the
Integrated
Storage
Product
to
the
ON
(1)
position.
Ensure
that
no
storage
medium
labeled
SYSTEM
is
in
any
other
drive.
2.
Insert
the
key
of
the
HP
250
into
the
lock
and
turn
it
clock-
wise
to
position
1.
3.
A
system
self-test
is
automatically
performed
when
you
turn
the
power
on.
As
the
test
is
performed,
a
list
of
system
components
is
displayed.
If
any
component
fails,
the
system
is
not
operable;
consult
the
chapter
"In
Case
of
Difficulty"
if
this
occurs.
Rev.
1/82
2-3

System
Start-up
If
no
problem
occurs,
a
message
in
the
form:
SYSTFM
LOADING
followed
by:
LOADING
DROMS
is
shown.
The
message
remains
on
the
screen
for
about
ten
sec-
onds.
A
blinking
underscore,
known
as
the
cursor,
appears
on
the
display
to
indicate
completion
of
the
loading
process.
Loading from aFlexible Disc Drive
The
following
is
the
procedure
for
loading
your
HP
250
system
from
the
flexible
disc
drive.
1.
Open
the
drive
door
by
pressing
the
small
bar
on
the
drive.
Insert
the
disc
labeled
SYSTEM
into
the
drive
until
the
disc
clicks
into
place.
Pull
the
drive
door
down
so
that
it
latches.
2.
Insert
the
key
and
turn
it
clockwise
to
position
1.
The
drive
door
is
locked
automatically
during
loading.
If
the
light
indicating
that
the
drive
is
in
use
never
comes
on,
it
may
mean
that
the
disc
was
inserted
improperly.
Open
the
drive
door
and
remove
the
disc;
retry
the
procedure.
2-4
System
Start-up
If
no
problem
occurs,
a
message
in
the
form:
SYSTFM
LOADING
followed
by:
LOADING
DROMS
is
shown.
The
message
remains
on
the
screen
for
about
ten
sec-
onds.
A
blinking
underscore,
known
as
the
cursor,
appears
on
the
display
to
indicate
completion
of
the
loading
process.
Loading from aFlexible Disc Drive
The
following
is
the
procedure
for
loading
your
HP
250
system
from
the
flexible
disc
drive.
1.
Open
the
drive
door
by
pressing
the
small
bar
on
the
drive.
Insert
the
disc
labeled
SYSTEM
into
the
drive
until
the
disc
clicks
into
place.
Pull
the
drive
door
down
so
that
it
latches.
2.
Insert
the
key
and
turn
it
clockwise
to
position
1.
The
drive
door
is
locked
automatically
during
loading.
If
the
light
indicating
that
the
drive
is
in
use
never
comes
on,
it
may
mean
that
the
disc
was
inserted
improperly.
Open
the
drive
door
and
remove
the
disc;
retry
the
procedure.
2-4

System
Start-up
3.
A
system
self-test
is
automatically
performed
when
the
power
is
turned
on.
As
the
test
is
performed,
a
listing
of
system
components
is
shown
on
the
display
of
the
principal
work-
station.
If
any
component
fails,
the
system
is
not
operable.
If
this
occurs,
consult
the
section
titled
"In
Case
of
Difficulty"
in
this
manual.
If
no
problem
occurs,
a
message
in
the
form
of:
SYSTEM
LOADING
followed
by:
LOADJNG
DROMS
is
shown.
The
message
remains
on
the
screen
for
about
30
seconds.
The
cursor,
a
blinking
underscore,
appears
on
the
display
to
indicate
completion
of
the
loading
process.
If
the
message:
The
"SYSTEM"
file
was
not
found.
appears
on
the
screen
during
loading,
the
operating
system
disc
was
not
inserted
into
a
drive
or
was
inserted
improp-
erly.
You
should
turn
the
key
to
the
off
position,
insert
the
disc,
and
restart
the
loading
procedure.
When
the
operating
system
is
loaded,
you
may
remove
the
flexible
disc
marked
SYSTEM
from
the
drive.
You
can
now
load
another
disc
t
hat
ma
y
con
t a
in
d a
tao
r
pro
g
rams
•
See
the
sec
t
ion
0n
"s
y s t em
Commands"
that
appears
later
in
this
manual.
If
the
result
of
the
self-test
is
an
error
message
or
the
system
failed
to
power
on,
consult
the
section
titled
"In
Case
of
Difficulty".
2-5
System
Start-up
3.
A
system
self-test
is
automatically
performed
when
the
power
is
turned
on.
As
the
test
is
performed,
a
listing
of
system
components
is
shown
on
the
display
of
the
principal
work-
station.
If
any
component
fails,
the
system
is
not
operable.
If
this
occurs,
consult
the
section
titled
"In
Case
of
Difficulty"
in
this
manual.
If
no
problem
occurs,
a
message
in
the
form
of:
SYSTEM
LOADING
followed
by:
LOADJNG
DROMS
is
shown.
The
message
remains
on
the
screen
for
about
30
seconds.
The
cursor,
a
blinking
underscore,
appears
on
the
display
to
indicate
completion
of
the
loading
process.
If
the
message:
The
"SYSTEM"
file
was
not
found.
appears
on
the
screen
during
loading,
the
operating
system
disc
was
not
inserted
into
a
drive
or
was
inserted
improp-
erly.
You
should
turn
the
key
to
the
off
position,
insert
the
disc,
and
restart
the
loading
procedure.
When
the
operating
system
is
loaded,
you
may
remove
the
flexible
disc
marked
SYSTEM
from
the
drive.
You
can
now
load
another
disc
t
hat
ma
y
con
t a
in
d a
tao
r
pro
g
rams
•
See
the
sec
t
ion
0n
"s
y s t em
Commands"
that
appears
later
in
this
manual.
If
the
result
of
the
self-test
is
an
error
message
or
the
system
failed
to
power
on,
consult
the
section
titled
"In
Case
of
Difficulty".
2-5

System
Start-up
Loading from a
HP
7906
Disc Drive
Follow
this
procedure
to
load
the
HP
250
Operating
System
from
a
HP
7906
removable
cartridge.
1.
If
you
have
not
already
done
so,
open
the
drive
door
and
mount
the
removable
disc
cartridge
containing
the
system
software
into
the
HP
7906
drive.
2.
Flip
the
HP
7906
STOP/RUN
switch
to
the
STOP
position
and
then
back
to
the
RUN
position.
3.
Wait
for
the
"DRIVE
READY"
indicator
to
light
on
the
front
panel
of
the
HP
7906.
4.
Insert
the
key
into
the
lock
located
on
your
HP
250
sys-
tem.
Turn
the
key
clockwise
to
positiom
1
to
power
on
the
HP
250.
After
the
initial
self-test
is
performed,
the
screen
is
cleared
for
approximately
20
seconds.
When
the
loading
process
is
completed,
the
cursor,
a
blinking
underscore,
is
displayed.
If
the
message
"System
File
Not
Found."
is
displayed,
you
must
repeat
the
system
loading
procedure
from
the
beginning.
Using a 5
Mb.
Disc Drive
Your
5
Mb.
Disc
drive
is
used
to
store
files
that
you
create.
You
cannot
keep
a
copy
of
the
operating
system
on
this
disc;
load
the
system
from
your
flexible
disc
drive.
The
5
Mb.
Disc
is
powered
on
when
you
power
on
the
HP
250.
Therefore,
when
you
load
the
operating
system
by
following
the
instructions
"Loading
a
Flexible
Disc
Drive"
(in
this
chapter),
you
will
also
power-on
your
5
Mb.
Disc
drive.
2-6
Rev.
1/82
System
Start-up
Loading from a
HP
7906
Disc Drive
Follow
this
procedure
to
load
the
HP
250
Operating
System
from
a
HP
7906
removable
cartridge.
1.
If
you
have
not
already
done
so,
open
the
drive
door
and
mount
the
removable
disc
cartridge
containing
the
system
software
into
the
HP
7906
drive.
2.
Flip
the
HP
7906
STOP/RUN
switch
to
the
STOP
position
and
then
back
to
the
RUN
position.
3.
Wait
for
the
"DRIVE
READY"
indicator
to
light
on
the
front
panel
of
the
HP
7906.
4.
Insert
the
key
into
the
lock
located
on
your
HP
250
sys-
tem.
Turn
the
key
clockwise
to
positiom
1
to
power
on
the
HP
250.
After
the
initial
self-test
is
performed,
the
screen
is
cleared
for
approximately
20
seconds.
When
the
loading
process
is
completed,
the
cursor,
a
blinking
underscore,
is
displayed.
If
the
message
"System
File
Not
Found."
is
displayed,
you
must
repeat
the
system
loading
procedure
from
the
beginning.
Using a 5
Mb.
Disc Drive
Your
5
Mb.
Disc
drive
is
used
to
store
files
that
you
create.
You
cannot
keep
a
copy
of
the
operating
system
on
this
disc;
load
the
system
from
your
flexible
disc
drive.
The
5
Mb.
Disc
is
powered
on
when
you
power
on
the
HP
250.
Therefore,
when
you
load
the
operating
system
by
following
the
instructions
"Loading
a
Flexible
Disc
Drive"
(in
this
chapter),
you
will
also
power-on
your
5
Mb.
Disc
drive.
2-6
Rev.
1/82

-------------<~
3
__
Workstations
The
Central
Processing
Unit
(CPU)
of
the
computer
controls
all
other
components
of
the
system.
It
holds
the
operating
system
of
the
HP250,
which
is
software
associated
with
the
computer
and
its
processing
capabilities.
It
also
has
at
least
32K
bytes
of
memory
available
to
you
for
programs
and
data;
user
memory,
capable
of
processing
six
tasks
simultaneously,
may
be
expanded
to
384K
bytes
by
additional
memory
options.
The
activity
within
the
CPU
is
invisible
to
you.
CPU
Your
workstation,
a
combination
of
a
keyboard
and
video
display,
is
your
path
to
the
CPU.
This
chapter
is
divided
into
three
sections,
each
of
which
describes
one
of
the
three
possible
HP
250
workstations.
Based
on
the
drawings
below,
turn
to
the
appropriate
section
to
learn
about
your
workstation.
HP
26220
Personal Workstation
HP
250/35
Integrated Workstation
HP
2649D
Remote
Workstation
3-1
-------------<~
3
__
Workstations
The
Central
Processing
Unit
(CPU)
of
the
computer
controls
all
other
components
of
the
system.
It
holds
the
operating
system
of
the
HP250,
which
is
software
associated
with
the
computer
and
its
processing
capabilities.
It
also
has
at
least
32K
bytes
of
memory
available
to
you
for
programs
and
data;
user
memory,
capable
of
processing
six
tasks
simultaneously,
may
be
expanded
to
384K
bytes
by
additional
memory
options.
The
activity
within
the
CPU
is
invisible
to
you.
CPU
Your
workstation,
a
combination
of
a
keyboard
and
video
display,
is
your
path
to
the
CPU.
This
chapter
is
divided
into
three
sections,
each
of
which
describes
one
of
the
three
possible
HP
250
workstations.
Based
on
the
drawings
below,
turn
to
the
appropriate
section
to
learn
about
your
workstation.
HP
26220
Personal Workstation
HP
250/35
Integrated Workstation
HP
2649D
Remote
Workstation
3-1
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