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Service Hints & Tips |
Document ID: GKEY-3JMKJD |
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TP 765D/L - Memory Checkout
Applicable to: World-Wide
Memory Checkout
DIMMs are available for increasing memory capacity.
Note: The Models 765L and 765D have a dip switch on the DIMM adapter card.
If you are installing a 64-MB 2-bank DIMM, move the dip switch to the left.
The memory (8 MB) on the DIMM adapter card is disabled.
You can install a 64-MB 2-bank DIMM in slot 2.
If you try to install the it in slot 1, it will not be recognized as 64MB DIMM.
Dip Switch |
Slot 1 |
Slot 2 |
Total Memory |
Displayed Value |
Right |
16MB |
0MB |
32MB |
32384KB |
8MB |
40MB |
40576KB | ||
16MB |
48MB |
48768KB | ||
32MB |
64MB |
65152KB | ||
32MB |
32MB |
80MB |
81536KB | |
Left |
16MB |
64MB |
88MB |
89728KB |
32MB |
64MB |
104MB |
106112KB |
Use the following procedure to isolate memory problems:
Note: Make sure that the DIMM adapter card is fully installed into the
connector. A loose connection can cause an error.
1. |
Power off the computer and remove the DIMM adapter card from its slot (if installed). |
2. |
Press and hold the F1 key; then power on the computer. Hold the F1 key down until the Easy-Setup screen appears. |
3. |
Select Test and press Enter. |
4. |
Select Memory and press Enter to run the memory test on base memory. If an error appears, replace the system board. |
5. |
Power off the computer and reinstall the DIMM adapter card; then power on the computer. Verify the memory size; then test the memory. If an error appears, replace the DIMM adapter 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 -- Related Service Information -- for more information.
System Programs in Flash Memory:
System setup programs and diagnostic tests are stored in flash memory.
Flash Memory Update: A 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 with ac power and a fully charged battery. |
3. |
Select Update system programs from the menu. |
Search Keywords |
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Hint Category |
Hardware Maintenance Information, Memory | |
Date Created |
03-07-97 | |
Last Updated |
07-04-98 | |
Revision Date |
12-03-99 | |
Brand |
IBM ThinkPad | |
Product Family |
ThinkPad 765L, ThinkPad 765D | |
Machine Type |
9546, 9547 | |
Model |
Various | |
TypeModel |
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Retain Tip (if applicable) |
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Reverse Doclinks |