IBM 86884RX Maintenance Manual - Page 62

Running, video, tests, Video, Monitor

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To diagnose video display problems, complete the following steps: 1. From the main menu, select Video, and press Enter. 2. Select Video Memory Test, and press Enter. For the video test error codes, see "Video test error codes" on page 167. Running video tests The video test you run depends on the type of monitor installed on your server. Video Monitor Test These tests verify the video controller output in addition to the communication between the controller and the display device. Attribute Test: Use this test to make sure that the video display attributes, such as blinking, bold, and reverse video, are working correctly. You can run this test on all monochrome and all color monitors. To run the attribute test, complete the following steps: 1. From the main menu, select Video, and press Enter. 2. Select Attribute Test, and press Enter. Color Test: This test displays the possible colors in foreground, background, and border. You can run this test on all color monitors. Text Mode Test: Use the Text Mode test to make sure that text displays correctly. The text mode tests are shown on the following table: Test Name 80 x 25 Display Test 40 x 25 Display Test Test Description Type of Monitor Tests the 80 x 25 character set of the display adapter, displaying the entire character set in black and white, then in reverse video in video mode 3 (mode 7 if monochrome). All monochrome and all color monitors. Tests the 40 x 25 character set of the display adapter in black and white, displaying the entire character set in black and white, then in reverse video. All monochrome and all color monitors. Graphics mode tests: Use the graphics mode tests to make sure that graphics display correctly. The following subtests appear in all Graphics Mode Tests (320 x 200, 640 x 200, 640 x 350, 640 x 480): Subtest Text and Attribute Test Grid Test Aspect Ratio and Display Centering Circular Pattern Test Resolution Animation and Flicker Description Makes sure all characters are displayed in the proper color. Verifies the graphic dot spacing for each mode. Centers the monitor display. Centers the monitor display. Reports the screen resolution. Reports the video controller speed. 52 IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide

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To
diagnose
video
display
problems,
complete
the
following
steps:
1.
From
the
main
menu,
select
Video
,
and
press
Enter.
2.
Select
Video
Memory
Test
,
and
press
Enter.
For
the
video
test
error
codes,
see
“Video
test
error
codes”
on
page
167.
Running
video
tests
The
video
test
you
run
depends
on
the
type
of
monitor
installed
on
your
server.
Video
Monitor
Test
These
tests
verify
the
video
controller
output
in
addition
to
the
communication
between
the
controller
and
the
display
device.
Attribute
Test:
Use
this
test
to
make
sure
that
the
video
display
attributes,
such
as
blinking,
bold,
and
reverse
video,
are
working
correctly.
You
can
run
this
test
on
all
monochrome
and
all
color
monitors.
To
run
the
attribute
test,
complete
the
following
steps:
1.
From
the
main
menu,
select
Video
,
and
press
Enter.
2.
Select
Attribute
Test
,
and
press
Enter.
Color
Test:
This
test
displays
the
possible
colors
in
foreground,
background,
and
border.
You
can
run
this
test
on
all
color
monitors.
Text
Mode
Test:
Use
the
Text
Mode
test
to
make
sure
that
text
displays
correctly.
The
text
mode
tests
are
shown
on
the
following
table:
Test
Name
Test
Description
Type
of
Monitor
80
x
25
Display
Test
Tests
the
80
x
25
character
set
of
the
display
adapter,
displaying
the
entire
character
set
in
black
and
white,
then
in
reverse
video
in
video
mode
3
(mode
7
if
monochrome).
All
monochrome
and
all
color
monitors.
40
x
25
Display
Test
Tests
the
40
x
25
character
set
of
the
display
adapter
in
black
and
white,
displaying
the
entire
character
set
in
black
and
white,
then
in
reverse
video.
All
monochrome
and
all
color
monitors.
Graphics
mode
tests:
Use
the
graphics
mode
tests
to
make
sure
that
graphics
display
correctly.
The
following
subtests
appear
in
all
Graphics
Mode
Tests
(320
x
200,
640
x
200,
640
x
350,
640
x
480):
Subtest
Description
Text
and
Attribute
Test
Makes
sure
all
characters
are
displayed
in
the
proper
color.
Grid
Test
Verifies
the
graphic
dot
spacing
for
each
mode.
Aspect
Ratio
and
Display
Centering
Centers
the
monitor
display.
Circular
Pattern
Test
Centers
the
monitor
display.
Resolution
Reports
the
screen
resolution.
Animation
and
Flicker
Reports
the
video
controller
speed.
52
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide