HP Deskjet 9800 Manual de usuario
HP
9800
Computers
98750
CE
Handbook
Part No. 98750-90039
E0982
Requires Binder No. 9282-0683
Flin-
HEWLETT
a:~
PACKARD
Printed in
US.A
First
Edition, September 1982
98750
CE
Handbook
© Copyright Hewlett-Packard Company, 1982
This document refers to proprietary computer software which is protected by copyright
All rights are reserved. Copying orotherreproduction ofthis programexcept for archival
purposes is prohibited without the prior written consent
01
Hewlett-Packard Company
Hewlett-Packard
Company
3404 East Harmony Road, Fort Collins, Colorado 80525
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98750
Product
Information 1-1
Chapter 1
Product Information
CRT Display Specifications
Screen
Size:
Refresh Rate:
CRT Phosphor:
Alpha Raster:
Character Size:
Screen
Capacity:
Graphics Raster:
261 mm x
193
mm (10.3 x
7.6
inches)
60Hz
P31
236
mm x
123
mm (9.3 x
4.84
inches)
2.3 mm x
2.95
mm (.09 x
.116
inches)
24
lines of
80
characters
200
mm x
162.5
mm (7.9 x
6.4
inches)
Options and Configurations
The 98750A
is
available as an integral part of the 9845B
#lxx.
See
the 9845B Base CE
Handbook Chapter for option information.
09845-92030
09845-93050
09845-92005
Related Documentation
Service Manual
Monochromatic Graphics Programming Manual
Owner's and System Exerciser Manual
Product Support Package
The 98750A service tools are included
in
the 9845B Product Support Package. Refer to the
9845B CE Handbook Chapter.
Safety
WARNING
LETHAL VOLTAGES ARE PRESENT INSIDE THE 98750A.
RE-
FER TO THE GENERAL SAFETY GUIDELINES
IN
THE
98458
SERVICE
MANUAL.
1-2
98750
Product
Information
98750 Environmental/Installation/PM 2-1
Chapter 2
Environmental/Installation!
Preventive Maintenance
Installation
After unpacking the computer, the CRT assembly must
be
mounted
onto
the mainframe
assembly. The CRT assembly
will
lock into place on top of the mainframe support legs. It
is
important that the gUides on the CRT assembly
and
the mainframe support legs are aligned
properly before assembly. Figure 2-1 shows the proper alignment necessary for
the
CRT
assembly installation. Notice how the buttons on bottom of the CRT assembly align with the
notches in the support legs.
Figure 2-1.
CRT
Assembly Installation
2-2 98750 Environmentalilnstallation/PM
Preventive Maintenance
Clean
the
case parts
and
tube
face occasionally with mild
soap
and
water
or
alcohol. Do
not
use
harsh, abrasive,
or
other
general
purpose
cleaners.
Base Configuration
98750
Configuration 3-1
Chapter 3
Configuration
The following assemblies must be installed
in
the 9845B base to support the98750A.
09845-65517
1818-0831
and 1818-0835
09845-66503
Graphics
ROM
Mainframe
ROM
for Graphics
ROM
Mainframe
ROM
for Graphics
ROM
Alpha Control Assembly
Refer tothe 9845BBase CE Handbook Chapter for the locations of these parts.
Interfacing
The 98750A interfaces to the 9845B base via the Alpha Control Assembly (09845-66503)
and
the Graphics Interface Assembly (09845-66504). Alpha information
is
stored
in
block 0 read-
write memory, and
is
refreshed to the display via the
IDA
bus. Graphics information
is
transfer-
red via the
110
bus to the display, where
it
is
interpreted
and
entered into the display memory.
3-2
98750
Configuration
Status Word
The
Status Word
may
be
obtained by executing the following instructions:
STATUS
13
iA
DISP
A
The
result
is
a decimal integer which may
be
converted to binary
and
interpreted as shown
below.
4 o
1101011101010010
LID
Bit
'-------1/0
Status Bit
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