IBM 2681 Hardware Maintenance Manual - Page 41

Diagnostics - memory

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Page 41 highlights

Checkout guide If an error code appears, go to "Symptom-to-FRU index" on page 53. On the first screen, select the model and press Enter. Follow the instructions on the screen. 2. The main panel of PC-Doctor appears. 3. Select Diagnostics with the arrow keys, and press Enter. A pull-down menu appears. (Its exact form depends on the model.) The options on the test menu are as follows: Diagnostics Interactive Tests v Run Normal Test v Keyboard v Run Quick Test v Video v CPU/Coprocessor v Internal Speaker v Systemboard v Mouse v Video Adapter v Joystick Test v Serial Ports v Diskette v Parallel Ports v System Load v Fixed Disks v CD-ROM/DVD Test v Diskette Drives v Actiontec Wireless Radio v Other Devices v 802.11b Wireless Radio Test v ZIP Drive v LS-120/240 Drive v Wireless LAN v Memory Test - Full v Memory Test - Quick Notes: v In the Keyboard test in Interactive Tests, the Fn key is scanned only once. Each key should be held down for at least 2 seconds; otherwise, it cannot be sensed. v Video Adapter test supports only the LCD display on theThinkPad computer. Before running PC-Doctor DOS, detach the external monitor. v To test ZIP Drive or LS-120/240 Drive, each media is needed to be inserted before start testing. v To test Digital Signature Chip, the chip must be enabled. v When Legacy Floppy Drives is enabled in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is attached to the ThinkPad computer. General descriptions 37

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If
an
error
code
appears,
go
to
“
Symptom-to-FRU
index
”
on
page
53.
On
the
first
screen,
select
the
model
and
press
Enter.
Follow
the
instructions
on
the
screen.
2.
The
main
panel
of
PC-Doctor
appears.
3.
Select
Diagnostics
with
the
arrow
keys,
and
press
Enter.
A
pull-down
menu
appears.
(Its
exact
form
depends
on
the
model.)
The
options
on
the
test
menu
are
as
follows:
Diagnostics
Interactive
Tests
v
Run
Normal
Test
v
Run
Quick
Test
v
CPU/Coprocessor
v
Systemboard
v
Video
Adapter
v
Serial
Ports
v
Parallel
Ports
v
Fixed
Disks
v
Diskette
Drives
v
Other
Devices
v
ZIP
Drive
v
LS-120/240
Drive
v
Wireless
LAN
v
Memory
Test
–
Full
v
Memory
Test
–
Quick
v
Keyboard
v
Video
v
Internal
Speaker
v
Mouse
v
Joystick
Test
v
Diskette
v
System
Load
v
CD-ROM/DVD
Test
v
Actiontec
Wireless
Radio
v
802.11b
Wireless
Radio
Test
Notes:
v
In
the
Keyboard
test
in
Interactive
Tests
,
the
Fn
key
is
scanned
only
once.
Each
key
should
be
held
down
for
at
least
2
seconds;
otherwise,
it
cannot
be
sensed.
v
Video
Adapter
test
supports
only
the
LCD
display
on
theThinkPad
computer.
Before
running
PC-Doctor
DOS,
detach
the
external
monitor.
v
To
test
ZIP
Drive
or
LS-120/240
Drive
,
each
media
is
needed
to
be
inserted
before
start
testing.
v
To
test
Digital
Signature
Chip
,
the
chip
must
be
enabled.
v
When
Legacy
Floppy
Drives
is
enabled
in
the
IBM
BIOS
Setup
Utility,
Diskette
Drives
test
is
activated
even
if
no
legacy
diskette
drive
is
attached
to
the
ThinkPad
computer.
Checkout
guide
General
descriptions
37