Assessments - 2, GPA: 3.5 ( )

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8. If external devices are attached to IBM ThinkPad Dock I, such as an audio amplifier, check the device by referring to the manual shipped with the device. 9. If the user did not bring the computer with IBM ThinkPad Dock I for service, use a computer that works correctly with IBM ThinkPad Dock I. 550 IBM Mobile Systems - ThinkPad HMM Volume 3 Checkout Guide Use the following procedure as a guide for computer problems. Note: The diagnostic tests are intended to test only IBM products. Non-IBM products, prototype cards, or modified options can give false errors and invalid system responses. Important When the Problem Determination Procedure in the operation manual that is supplied with the adapter or device says “Have the system unit serviced”, this means the computer and IBM ThinkPad Dock I. 1. Obtain the failing symptoms in as much detail as possible. 2. Verify the symptoms by attempting to recreate the failure by running the diagnostic test or by repeating the same operation. Note: To run the diagnostics, refer to “How to Run the Diagnostics” on page 557. 3. Use the following table with the verified symptom to determine which page to go to. Search the symptoms column and find the description that best matches your symptom; then go to the page shown in the “Go to” column. Symptoms (Verified) Go to Power failure. (The power indicator does not go on or stay on.) “Power Supply” on page 552. POST does not complete. No beeps/error code are indicated. “Symptom-to-FRU Index” on page 565, and then use the No Beep Symptoms table. POST beeps, but no error codes are displayed. “Symptom-to-FRU Index” on page 565, and then use the Beep Symptoms table. POST detected an error “Symptom-to-FRU and displayed numeric Index” on page 565, error codes. and then use the Numeric Error Codes table. The diagnostic test detected an error and displayed an FRU code. “Diagnostic Error Codes” on page 568. ThinkPad SelectaDock Docking System 551 Symptoms (Verified) Go to The configuration is not the same as the installed devices. “Checking the Installed Devices List” on page 554. Other symptoms (such as LCD display problems) “Symptom-to-FRU Index” on page 565, and then use the other symptom table. Symptoms cannot be recreated. (Intermittent problems) Use the customer reported symptoms and go to “Symptom-to-FRU Index” on page 565. Power Supply If the power-on indicator is not on and the power supply fan is not turning, check the power cord for continuity and correct installation. If the power cord is not the problem, either the power supply is defective, or another component is defective causing the power supply to cut off. To verify that the power supply is operating correctly, do the following: 1. Power-off the computer and disconnect the IBM ThinkPad Dock I power cord. 2. Remove all internal and external devices, and the computer from the IBM ThinkPad Dock I. 3. Undock the IBM ThinkPad Dock I. 4. Remove power supply connector 1 from the riser card. 5. Install jumpers between pins 1 and 10, and pins 3 and 8 on the main card. 21345 Connector 1 Connector 2 552 IBM Mobile Systems - ThinkPad HMM Volume 3 6. Connect the power cord. 7. Check the voltages at connector 1. 8. Disconnect the power cord. 9. Remove power supply connector 2 from the main card. 10. Install jumpers between pins 6 and 8, and pins 1 and 17 of connector 2. 11. Reconnect the power cord. 12. Check the power supply voltages at connector 2.If the voltage is not correct, replace the power supply. If any voltages are not correct, replace the power supply. If the problem remains, replace the main card. 1 12 2 21 3 4 22 Connector 1 Connector 2 Power Supply Connector 1 Pin Signal V dc Min. V dc Max. 1 CVCC +19 +21 2 Ground – – Power Supply Connector 2 Pin Signal V dc Min. V dc Max. 1 .12 volts .11.4 .13.2 3 .5 volts .4.53 .5.5 5 +5 volts +4.75 +5.25 7 SUB 12 +11.4 +12.6 9 +12 volts +11.4 +12.6 11 - 13 +3.3 +3.0 +3.6 17 - 19 +5 +4.75 +5.25 ThinkPad SelectaDock Docking System 553 Checking the Installed Devices List If a device is installed but the icon appears in a gray shade rather than a dark shade on the basic diagnostics screen, the device is defective. Reseat the device connectors. If the symptom remains, replace the device or the system board. If needed, adjust the contrast control to clearly distinguish the shades of the icon. If a device that is not installed appears in a dark shade (for example, FDD-2 appears in a dark shade when NO second FDD is installed), do the following: 1. Replace the first device in the configuration, such as an FDD-1, HDD-1, or PCMCIA-1. 2. If the problem remains, replace the system board. The PCMCIA-1, Parallel, and Serial icons are always displayed in a dark shade because the icons represent subsystems of the system board and not the attachment of the devices. The FDD-1, HDD-1, or PCMCIA-1 icons represent the first drive in the system configuration for each type of device. Similarly, the HDD-3, FDD-2, or PCMCIA-2 icons represent the second drive,...

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