IBM Mobile Systems ThinkPad 600/600E (2645 ... - LinuxFocus.org

Checkout Guide
If an error appears:
� If the computer don't have the base memory slot,
replace the system board.
� If the computer has the base memory slot,
remove the DIMM installed in the base memory
slot and go to step 2 on page 33. Then if an
error appears, replace the system board.
If an error does not appear, continue the following
procedures.
5. Power off the computer and reinstall the DIMM one
by one; then power on the computer. Verify the
memory size; then test the memory. If an error
appears, replace the DIMM.
Note: Make sure that the DIMM is fully installed into
the connector. A loose connection can cause
an error.
6. If the problem does not corrected, replace the
following FRU.
a. System board
b. CPU card
If memory problems occur intermittently, use the loop
option to repeat the test. When the test detects an error,
an error log is printed on the printer connected to the
parallel port. See “Displaying the Error Log” on page 42
for more information.
System Programs in Flash Memory: System
setup programs and diagnostic tests are stored in the
Flash memory.
Flash Memory Update: The Flash memory update
is required for the following conditions:
� New versions of system programs
� New features or options
To update the Flash memory, do the following:
1. Get the appropriate diskette containing the update.
2. Insert the System Program Service Diskette into
drive A and power on the computer.
3. Select Update system programs from the menu.
Modem (DSP) Checkout
Note: This section is for the built-in modem model.
Do the following:
1. Go to the diagnostic menu by selecting Test in the
Easy-Setup menu.
2. Select DSP and run the diagnostic tests.
3. If the test detects a DSP problem, replace the modem
card.
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