Replace the system board.
Auxiliary Input Devices: The following auxiliary
input devices are supported:
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 remains, replace the device, and then the
system board.
Memory Checkout
DIMMs are available for increasing memory capacity.
Memory errors may cause error messages to appear on
the screen or may hang the operating system.
Take the following procedure to isolate memory problems:
1. Turn off the computer and remove any installed DIMM
from the slot.
2. Press and hold the F1 key; then turn on the
computer. Hold the F1 key down until the
Easy-Setup menu appears.
3. Select Test and press Enter.
4. Select Memory and press Enter to run the memory
test for the base memory. If an error appears,
replace the system board.
5. Turn off the computer and reinstall the DIMM; then
turn on the computer. Verify the memory size; then
test the memory. If an error message appears,
replace the DIMM.
If a memory problem occur intermittently, perform the loop
option test. If the test detects an error, it prints an error
log on a printer connected to the parallel port. See
“Displaying the Error Log” on page 50 for more
information.
Flash Memory Update:
System setup programs and
diagnostic tests are stored in the flash memory. A flash
memory update is required when:
A new version of the system program is installed.
A new features or options is added to the computer.
DIMM Displayed Value
No DIMM installed 32192 KB
8 MB 40384 KB
16 MB 48576 KB
32 MB 64960 KB
64 MB 97728 KB
28 IBM ThinkPad 380XD, 385XD
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