IBM ThinkPad 340 Series Hardware Maintenance Manual

Also see for 360: Specifications Hardware Maintenance Manual Operating guide User guide Manual

MultiPort II CheckoutUse the following procedure to isolate a MultiPort IIproblem. The MultiPort II attaches to the systemexpansion connector at the rear of the computer.1. Power-off the computer.2. Remove all of the devices from the MultiPort II.3. Unplug the AC adapter from the computer, ifattached, and plug the AC adapter into theMultiPort II if it is not already attached.4. Attach wrap plugs to the serial port and the parallelport on the MultiPort II.5. Power-on the computer.6. Press the F1 key any time while the POST memorycount is proceeding. When the memory test iscompleted, the Easy-Setup screen appears.7. Press the left or right arrow key to select Test andpress Enter or position the pointer over the Test iconand click the left click button once.8. Press Ctrl+A to enter advanced diagnostics.9. Select Tool to install the wrap plugs on the ports.(See “Running the Diagnostics” on page 156 forinstructions.)10. Run the diagnostics tests on the parallel and serialports on the computer and the MultiPort II. To testthe external display device, select the Display icon.Test results will be displayed under the icon for eachselected device.11. If the diagnostics tests do not find errors, suspect aproblem with the previously attached devices.If the tests find errors, perform the following steps torecheck the computer: Power-off the computer. Remove the MultiPort II from the computer. Power-on the computer and rerun the tests onthe available parallel and serial ports.If the errors do not reoccur, replace the MultiPort II.If the errors persist, suspect that the errors arerelated to internal FRUs and replace the appropriateFRU (for information on FRU codes, see “FRUCodes” on page 144).12. If power problems appear only when using theMultiPort II, replace the MultiPort II.13. To exit from the test screen, press Esc.134 IBM Mobile Systems HMM