8-6
Troubleshooting
Portable
PLUS
Computer
12. Test Peripheral.
If
the
customer
has
shipped
a peripheral device
with
the
computer, connect it to
the
computer
using
good
HP·IL
cables
and
turn
it on.
Then
press
00
to select
the
Hp·IL
test
again.
•
If
no
problem
occurs,
the
computer
Hp·IL
circuit is good,
and
the
Hp·IL
portion
of
the
periph·
eral is also good.
(You
can
test
the
peripheral
further
according to its service manual.) Proceed
to
step
13.
•
If
the
Hp·IL
test
does
indicate a problem, check
the
Hp·IL
cable connections
and
make
sure
that
the
peripheral
is
turned
on. Replace
the
assembly or
component
indicated
by
the
test.
(Refer to table 8-2 for specific
information
.) Repeat
the
test to
ensure
that
the
problem
has
been
repaired.
Disc·Based Diagnostic Tests:
13.
Set
Up System. Turn off
the
computer
by
holding
the
rnJ key for at least 15 seconds,
then
connect
the
computer
to a
good
HP
9114 Disc Drive using two good HP-IL cables.
(Don't
connect
any
other
HP-IL devices
at
this time.) Turn
on
the
disc drive,
then
turn
on
the
computer
(press
rnJ
or
other
keys,
if
necessary).
•
If
the
main
PAM screen appears, go to step 14.
•
If
the
MS-DOS system (not PAM) is active
at
turn
on, type exit ( Return) to obtain
the
main
PAM screen,
then
proceed according to either of
the
other
choices for this step.
•
If
any
other
display appears, or
if
no
display appears, repeat
the
built-in diagnostic test (step 5
above),
then
press ® in
the
main PAM screen to select all of
the
tests.
If
the
tests indicate a
bad
component,
replace it (refer to table 8-
2)
,
then
repeat
the
tests.
If
the
tests find
no
problem
,
check
the
unit
according to table 8-5,
'Startup
Problems:
/
14.
Load Service Disc. Insert
the
service disc in
the
disc drive.
15.
Run EPROM Test. Load
and
run
the
configuration EPROM test program. (Type c:configts.exe
(Return),
or
else select "Test
P+
EPROM'
from
the
menu.)
When
the
memory
size
and
serial
number
are
displayed, indicate
whether
they
are correct or incorrect (refer to table 1-1 for
mem-
ory
information)
.
•
If
the
memory
size
and
serial
number
are correct,
and
if
no
errors are reported, go to step 16.
Do
not burn a
new
EPROM
.
•
If
either
the
memory
size
or
serial
number
is incorrect,
burn
a
new
configuration EPROM
and
use
it
to replace
the
old one. (Refer to section 8.4.)
•
If
the
program
reports
a
bad
configuration EPROM,
burn
a
new
one
and
use it to replace
the
old
one. (Refer to section 8.4.)
•
If
the
program
doesn't run,
the
system isn't operating properly. Check
that
the
disc drive is
connected
properly
and
is
turned
on. Check
that
the
service disc is inserted properly. Test
the
computer
according to table 8-5, "Startup
Problems:
16. Run Diagnostic Test. Load
and
run
the
disc-based diagnostic test program. (Type
c:stest2 ( Return), or else select 'Diagnostics" from
the
menu.)
•
If
the
disc-based
diagnostic
test
menu
(figure 8-3) is displayed, go to
step
17.
•
If
the
test
menu
doesn't appear,
the
system
isn't
operating properly. Check
that
the
disc drive is
connected
properly
and
is
turned
on. Check
that
the
service disc is
inserted
properly. Test
the
computer
according to table 8-5, "
Startup
Problems:
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