IBM 4840 Service Guide - Page 57

Using, Diagnostics, Peripherals, models, System, Units, Diagnostic, plugs - xx4

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August 3, 2006 Troubleshooting | When you boot the system with the Service Diskette, detected devices are shown in | a box. Choose POS System test or Ethernet test. Then you are given the option | to use the keyboard if one is attached. Following the logo, a subsystem selection | menu is displayed for POS Devices Test, Subsystem Unit Test, and Utilities (for | VPD). Sub menus are dynamically tailored for your system and display only | available tests. | Note: Using the Service Diskette requires a diskette drive. If the system has no | diskette drive, the service technician will have to use a field replaceable unit | (FRU) diskette drive. | Using the IBM Diagnostics for Peripherals (for the 5x3 models) | Diagnostics are installed on a memory key. The diagnostics require the use of a | memory key that has a minimum of 256 MB on it. It requires the use of a USB port | on the system that is to be diagnosed. There are additional details about selecting a | memory key, setting up, and running the diagnostics on the web site from which | you download the diagnostic package. Do the following to acquire the diagnostics: | 1. Go to www.ibm.com/solutions/retail/store/ and select Support. | 2. Under SurePOS 500/600 Series select SurePOS 500-xx3 Downloads. | 3. Select IBM Diagnostics for POS Systems and Peripherals | Using the IBM Diagnostics for POS System Units and Peripherals (for | the 5x4 models) | Diagnostics are installed on a memory key. The diagnostics require the use of a | memory key that has a minimum of 256 MB on it. It requires the use of a USB port | on the system that is to be diagnosed. There are additional details about selecting a | memory key, setting up, and running the diagnostics on the web site from which | you download the diagnostic package. Do the following to acquire the diagnostics: | 1. Go to www.ibm.com/solutions/retail/store/ and select Support. | 2. Under SurePOS 500/600 Series select SurePOS 500-xx4 Downloads. | 3. Select IBM Diagnostics for POS Systems and Peripherals | Diagnostic wrap plugs | The following list provides the wrap plug pinouts for the serial loopback plug, the | Ethernet loopback plug, and the parallel port plug. | serial loopback plug | v pins 1 to 2 | v pins 3 to 4 | v pins 6 to 7 | Ethernet loopback plug | v pins 3 to 7 | v pins 6 to 8 | parallel port plug | v pins 1 to 13 | v pin 2 diode 1N4149 -|

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When
you
boot
the
system
with
the
Service
Diskette,
detected
devices
are
shown
in
a
box.
Choose
POS
System
test
or
Ethernet
test
.
Then
you
are
given
the
option
to
use
the
keyboard
if
one
is
attached.
Following
the
logo,
a
subsystem
selection
menu
is
displayed
for
POS
Devices
Test,
Subsystem
Unit
Test,
and
Utilities
(for
VPD).
Sub
menus
are
dynamically
tailored
for
your
system
and
display
only
available
tests.
Note:
Using
the
Service
Diskette
requires
a
diskette
drive.
If
the
system
has
no
diskette
drive,
the
service
technician
will
have
to
use
a
field
replaceable
unit
(FRU)
diskette
drive.
Using
the
IBM
Diagnostics
for
Peripherals
(for
the
5x3
models)
Diagnostics
are
installed
on
a
memory
key.
The
diagnostics
require
the
use
of
a
memory
key
that
has
a
minimum
of
256
MB
on
it.
It
requires
the
use
of
a
USB
port
on
the
system
that
is
to
be
diagnosed.
There
are
additional
details
about
selecting
a
memory
key,
setting
up,
and
running
the
diagnostics
on
the
web
site
from
which
you
download
the
diagnostic
package.
Do
the
following
to
acquire
the
diagnostics:
1.
Go
to
www.ibm.com/solutions/retail/store/
and
select
Support
.
2.
Under
SurePOS
500/600
Series
select
SurePOS
500-xx3
Downloads
.
3.
Select
IBM
Diagnostics
for
POS
Systems
and
Peripherals
Using
the
IBM
Diagnostics
for
POS
System
Units
and
Peripherals
(for
the
5x4
models)
Diagnostics
are
installed
on
a
memory
key.
The
diagnostics
require
the
use
of
a
memory
key
that
has
a
minimum
of
256
MB
on
it.
It
requires
the
use
of
a
USB
port
on
the
system
that
is
to
be
diagnosed.
There
are
additional
details
about
selecting
a
memory
key,
setting
up,
and
running
the
diagnostics
on
the
web
site
from
which
you
download
the
diagnostic
package.
Do
the
following
to
acquire
the
diagnostics:
1.
Go
to
www.ibm.com/solutions/retail/store/
and
select
Support
.
2.
Under
SurePOS
500/600
Series
select
SurePOS
500-xx4
Downloads
.
3.
Select
IBM
Diagnostics
for
POS
Systems
and
Peripherals
Diagnostic
wrap
plugs
The
following
list
provides
the
wrap
plug
pinouts
for
the
serial
loopback
plug,
the
Ethernet
loopback
plug,
and
the
parallel
port
plug.
serial
loopback
plug
v
pins
1
to
2
v
pins
3
to
4
v
pins
6
to
7
Ethernet
loopback
plug
v
pins
3
to
7
v
pins
6
to
8
parallel
port
plug
v
pins
1
to
13
v
pin
2
diode
1N4149
–|<–
to
pin
15
v
pin
3
diode
1N4149
–|<–
to
pin
15
v
pin
4
diode
1N4149
–|<–
to
pin
15
v
pin
5
diode
1N4149
–|<–
to
pin
15
Troubleshooting
August
3,
2006
Chapter
3.
Resolving
problems
31
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