Lenovo ThinkPad 240 Hardware Maintenance Manual: ThinkPad 240 (December 2000) - Page 14

Keyboard and Auxiliary Input Device Checkout, Memory Checkout, Mouse PS/2 compatible

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2. Go to Diagnostics on the main menu and select Other Devices. 3. Follow the description in the window. If the test detects a fan ASM problem, replace the fan. Keyboard and Auxiliary Input Device Checkout Note: Remove the external keyboard if the internal keyboard is to be tested. If the internal keyboard does not work or an unexpected character appears, make sure that the flexible cable extending from the keyboard is correctly seated on the connector. If the keyboard cable connection is correct, run the Keyboard Test. See "Running the Diagnostics" on page 23 for details. If the test detects a keyboard problem, do the following one at a time to correct the problem. Do not replace a nondefective FRU. 1. Replace the keyboard. 2. Replace the system board. The following auxiliary input devices are supported for this computer: Numeric keypad Mouse (PS/2 compatible) External keyboard (with keyboard/mouse cable) If any of these devices do not work, reseat the cable connector and repeat the failing operation. If the problem does not reoccur, replace the device and then the system board. Memory Checkout DIMM are available for increasing memory capacity. Onboard (MB) 32 32 32 32 64 64 64 64 Slot (MB) 0 32 64 128 0 32 64 128 Total Memory (MB) 32 64 96 160 64 96 128 192 ThinkPad 240 9

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2.
Go to
Diagnostics
on the main menu and select
Other Devices
.
3.
Follow the description in the window. If the test
detects a fan ASM problem, replace the fan.
Keyboard and Auxiliary Input Device
Checkout
Note:
Remove the external keyboard if the internal key-
board is to be tested.
If the internal keyboard does not work or an unexpected
character appears, make sure that the flexible cable
extending from the keyboard is correctly seated on the
connector.
If the keyboard cable connection is correct, run the Key-
board Test. See “Running the Diagnostics” on page
23 for
details.
If the test detects a keyboard problem, do the following
one at a time to correct the problem. Do not replace a non-
defective FRU.
1.
Replace the keyboard.
2.
Replace the system board.
The following auxiliary input devices are supported for this
computer:
±
Numeric keypad
±
Mouse (PS/2 compatible)
±
External keyboard (with keyboard/mouse cable)
If any of these devices do not work, reseat the cable con-
nector and repeat the failing operation.
If the problem does not reoccur, replace the device and
then the system board.
Memory Checkout
DIMM are available for increasing memory capacity.
Onboard (MB)
Slot (MB)
Total Memory
(MB)
32
0
32
32
32
64
32
64
96
32
128
160
64
0
64
64
32
96
64
64
128
64
128
192
ThinkPad 240
9