Hardware Maintenance Manual
Page 25
...hazards, especially primary power (primary voltage on the frame can continue without first correcting the problem. Check exterior covers for any obvious non-ThinkPad alterations. Remove the cover. 5. Begin the checks with the power off the computer. Checklist: 1. The power cord should use the ...for 0.1 ohm or less between the external ground pin and the frame ground. c. Disconnect the power cord. 3. As each machine was designed and built, required safety items were installed to assist you can cause serious or fatal electrical shock) v Explosive hazards, such as a ...
...hazards, especially primary power (primary voltage on the frame can continue without first correcting the problem. Check exterior covers for any obvious non-ThinkPad alterations. Remove the cover. 5. Begin the checks with the power off the computer. Checklist: 1. The power cord should use the ...for 0.1 ohm or less between the external ground pin and the frame ground. c. Disconnect the power cord. 3. As each machine was designed and built, required safety items were installed to assist you can cause serious or fatal electrical shock) v Explosive hazards, such as a ...
Hardware Maintenance Manual
Page 74
...the ECA information Information on the new system board as the machine type of the system board. Use the ThinkPad Hardware Maintenance Diskette Version 1.73 or later to it is designed to the machine, use the ECA Information Read/Write function on the screen. If a valid UUID already exists..., it . 1. Set ECA Information. 68 T40/T40p, T41/T41p, T42/T42p Insert the ThinkPad Hardware Maintenance Diskette Version 1.73 or later,...
...the ECA information Information on the new system board as the machine type of the system board. Use the ThinkPad Hardware Maintenance Diskette Version 1.73 or later to it is designed to the machine, use the ECA Information Read/Write function on the screen. If a valid UUID already exists..., it . 1. Set ECA Information. 68 T40/T40p, T41/T41p, T42/T42p Insert the ThinkPad Hardware Maintenance Diskette Version 1.73 or later,...