Lenovo ThinkPad 760CD ThinkPad 380, 385, 560, 560E, all 760, 765 and SelectADo - Page 140

Memory Checkout DIMM cards are available for increasing memory capacity. The following figure indicates the displayed memory values. DIMM No DIMM installed 560 7808KB 560E 16000KB 8MB 16MB 32MB 64MB 16000KB 24192KB 40576KB - 24192KB 32384KB 48768KB 81536KB Memory errors might stop system operations, show error messages on the screen, or hang the system. Use the following procedure to isolate memory problems. Note: Make sure that the DIMM is fully installed into the connector. A loose connection can cause an error. 1. Power off the computer and remove the DIMM 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; then power on the computer. Verify the memory size; then test the memory. If an error appears, replace the DIMM. 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 152 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 are added 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. 128 IBM Mobile Systems HMM