IBM Thinkpad A21e A22e I 1800 Manual

ThinkPad A21e, A22e, i 1800
Product overview............39
Specifications............39
Status indicators...........41
FRU Tests.............43
Fn key combinations..........44
Symptom-to-FRU index..........46
Numeric error codes..........46
Error messages...........49
Beep symptoms...........50
No beep symptoms..........50
LCD-related symptoms.........51
Intermittent problems..........52
Undetermined problems.........52
FRU replacement notices.........53
Screw notices............53
Retaining serial...

12.1-in. LCD (only for A21e series)....108
13.3-in. and 14.1-in. LCD.......110
2050 Sub card...........113
Locations..............115
Front view.............115
Rear view.............116
Bottom view............117
Parts list..............118
A21e, A22e and i 1800 model matrix.....118
Overall.............121
LCD FRUs............125
12.1-in. SVGA TFT (only for A21e)....125
13.3-in. XGA TFT.........126
14.1-in. XGA TFT.........127
Keyboard.............128
Recovery CDs for i 1800 series......129
For Windows...

Product overview
This section presents the following product-unique
information:
v“Specifications”
v“Status indicators”on page 41
v“FRU Tests”on page 43
v“Fn key combinations”on page 44
Specifications
The following table lists the specifications of the ThinkPad
A21e, A22e and i 1800:
Feature Description
ProcessorA21e
vIntel
®Celeron®processor 650 MHz
vIntel®Celeron®processor 700 MHz
A22e
vIntel
®Celeron®processor 800 MHz
vIntel®mobile Pentium®III processor 850
MHz featuring Intel®SpeedStep™
technology...

Feature Description
DisplayA21e
v12.1-inch, 16M colors, SVGA (800×600
resolution) TFT color LCD
v13.3-inch, 16M colors, XGA (1024×768
resolution) TFT color LCD
v14.1-inch, 16M colors, XGA (1024×768
resolution) TFT color LCD
A22e
v13.3-inch, 16M colors, XGA (1024×768
resolution) TFT color LCD
v14.1-inch, 16M colors, XGA (1024×768
resolution) TFT color LCD
i 1800
v14.1-inch, 16M colors, XGA (1024×768
resolution) TFT color LCD
Hard-disk driveA21e
v20.0 GB, 2.5-inch, IDE interface
A22e
v15.0 GB, 2.5-inch,...

Status indicators
The system status indicators show the status of the
computer, as follows:
6
12345
7
Indicator Meaning

1Drive in useGreen:Data is being read from or
written to the storage device,
such as the hard disk drive or a
drive in the Ultrabay 2000. When
this indicator is on, do not put the
computer into standby mode or
turn off the computer.
Note:Do not move the system while the
Green drive in use light is on. Sudden
physical shock could cause drive errors.

2Num lockGreen:The numeric keypad...

Indicator Meaning

4Scroll lockGreen:Scroll Lock mode is enabled. The
Arrow keys can be used as
screen-scroll function keys. The
cursor cannot be moved with the
Arrow keys. Not all application
programs support this function.
To enable or disable Scroll Lock
mode, press theScrLkkey.

5Power onGreen:The computer is on and ready to
use. In some models, this
indicator stays lighted even when
the computer is in the standby
mode. For A21e series and the
low-end models of A22e, if the
power-on indicator is on...

FRU Tests
The following table shows the test for each FRU.
FRU Applicable test
System board 1.Diagnostics-->CPU/Coprocessor
2.Diagnostics-->Systemboard
PowerDiagnostics-->Other Devices-->IBM AC
Adapter,IBM Battery 1
LCD unit 1.Diagnostics-->Video Adapter
2.Interactive Tests-->Video
Modem 1. Make sure the modem is set up correctly.
2. Replace the modem jack and the modem
card in turn, and run the following tests in
Diagnostics-->Communication:
a. Lucent Modem (M2) Loopback
b. Lucent Modem (M2)...

FRU Applicable test
Diskette drive 1.Diagnostics-->Diskette Drives
2.Interactive Tests-->Diskette
CD-ROM or
DVD drive1.Diagnostics-->Other Devices-->
CD-ROM/DVD
2.Interactive Tests-->CD-ROM/DVD Test
Memory 1. If two DIMMs are installed, remove one of
them and runDiagnostics-->Memory
Test - Quick.
2. If the problem does not recur, return the
DIMM to its place, remove the other one,
and run the test again.
3. If the test does not detect the error, run
Diagnostics-->Memory Test - Full.
Fan 1. Turn on the...

Key
combinationDescription
Fn+F7Switch between the computer display and an
external monitor. If an external monitor is
attached, computer output is displayed in the
following three patterns by turns:
vExternal monitor (CRT)
vComputer display and external monitor (LCD
+CRT)
vComputer display (LCD)
Note:This function is not supported when the
computer is in large desktop mode or when the
computer output is driven by the secondary CRT
controller.
Fn+F8Turn screen expansion on or off. (There is no
symbol on...

Symptom-to-FRU index
The symptom-to-FRU index in this section lists symptoms
and errors and their possible causes. The most likely
cause is listed first, in boldface type.
Note:Do the FRU replacement or other actions in the
sequence shown in the column headed“FRU or
action, in sequence.”If replacing a FRU does not
solve the problem, put the original part back in the
computer. Do not replace a nondefective FRU.
This index can also help you determine, during regular
servicing, what FRUs are likely to need...