IBM Thinkpad R40 R40e Manual

If an error code appears, go to ªSymptom-to-FRU
indexº 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. SelectDiagnosticswith 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
vRun Normal Test
vRun Quick Test
vCPU/Coprocessor
vSystemboard
vVideo Adapter
vSerial Ports
vParallel Ports...

Diagnostics
Quit Interactive TestsHardware Info
Utility F1=Help
Run Quick TestRun Normal Test
SystemboardCPU/Coprocessor
Video Adapter
Serial Ports
Diskette DrivesFixed DisksParallel Ports
Other Devices
Use the cursor keys and ESC to move in menus. Press ENTER to select.PC-DOCTOR 2.0 Copyright 2001 PC-Doctor, Inc. All Rights Reserved. ZIP Drive
LS-120/240 Drive
Communication
Wireless LAN
Memory Test - Full
Memory Test - Quick
4. Run the applicable function test.
5. Follow the instructions on the screen....

Power system checkout
To verify a symptom, do the following:
1. Power off the computer.
2. Remove the battery pack.
3. Connect the ac adapter.
4. Check that power is supplied when you power on the
computer.
5. Power off the computer.
6. Disconnect the ac adapter and install the charged
battery pack.
7. Check that the battery pack supplies power when you
power on the computer.
If you suspect a power problem, see the appropriate one
of the following power supply checkouts:
vªChecking the ac adapterº...

vIf the problem persists, go to ªProduct overviewº on
page 45.
Note:Noise from the ac adapter does not always indicate
a defect.
Checking operational chargingTo check whether the battery charges properly during
operation, use a discharged battery pack or a battery pack
that has less than 50% of the total power remaining when
installed in the computer.
Perform operational charging. If the battery status indicator
or icon does not turn on, remove the battery pack and let it
return to room temperature....

2
3
4
5(-)1(+)
Terminal Voltage (V dc)
1 +0to+12.6
5 Ground (þ)
3. If the voltage is less than +11.0 V dc, the battery pack
has been discharged.
Note:Recharging will take at least 3 hours, even if the
indicator does not turn on.
If the voltage is still less than +11.0 V dc after
recharging, replace the battery.
4. If the voltage is more than +11.0 V dc, measure the
resistance between battery terminals 4 and 5. The
resistance must be 4 to 30 Kó.
If the resistance is not correct, replace the battery
pack....

Checkout guide
42ThinkPad R40 

ThinkPad R40
Product overview............45
Specifications............45
Statusindicators...........48
FRUtests.............50
Fn key combinations..........52
Symptom-to-FRU index..........53
Numeric error codes..........53
Error messages...........56
Beep symptoms...........57
No-beep symptoms..........57
LCD-relatedsymptoms.........58
Intermittentproblems..........59
Undetermined problems.........59
FRU replacement notices.........60
Screwnotices............60
Retaining serial numbers.........61...

Bottom view for 2681, 2682, 2683, 2722, 2723,
2724.............130
Front view for 2684, 2685........131
Rear view for 2684, 2685........132
Bottom view for 2684, 2685.......133
Parts list..............134
R40 series model matrix........134
Overall.............141
LCD FRUs............156
13/14in.TFT...........157
15in.TFT ...........158
Keyboard.............160
RecoveryCDs...........161
For Windows 2000 Professional.....161
For Windows XP Home Edition.....162
For Windows XP professional......163...

Product overview
This section presents the following product-unique
information:
vªSpecificationsº
vªStatus indicatorsº on page 48
vªFRU testsº on page 50
vªFn key combinationsº on page 52
Specifications
The following table lists the specifications of the ThinkPad
R40 series:
Feature Description
Processor2681, 2682, 2683
vMobile Intel
žPentiumž4 processor- M 1.8/
1.9/ 2.0/ 2.2/2.4GHz, L2 512 KB cache
vMobile Intel
žCeleronžProcessor 1.6/
1.8GHz, L2 256KB cache
2684, 2685
vMobile Intel
žPentiumž4...

Feature Description
CMOS RAMv242 bytes
Hard-disk drive2681, 2682, 2683, 2722, 2723, 2724
v20.0 GB, 4200 rpm, 2.5-inch, IDE interface
v40.0 GB, 4200 rpm, 2.5-inch, IDE interface
v40.0 GB, 5400 rpm, 2.5-inch, IDE interface
v60.0 GB, 4200 rpm, 2.5-inch, IDE interface
2684, 2685
v20.0 GB, 4200 rpm, 2.5-inch, IDE interface
v40.0 GB, 4200 rpm, 2.5-inch, IDE interface
Display2681, 2682, 2683, 2722, 2723, 2724
v13.3-inch, 16M colors, XGA (1024´768
resolution) TFT color LCD
v14.1-inch, 16M colors, XGA (1024´768...