IBM 8138, 8131, 8123, 8137, 8124, 8122 manual Hardware Replacement Guide

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Notes:

a.Notice of the orientation of the notches 1 on the microprocessor. This is important when reinstalling the microprocessor on the system board.

b.Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible.

6.Make sure that the microprocessor retainer is fully open.

7.Loosen the protective cover 3 that protects the gold contacts on the new microprocessor 2 but do not remove it. Use the vacuum pen 1 to pick up the microprocessor then completely remove the cover.

8.Position the microprocessor so that the notches on the microprocessor are aligned with the tabs in the microprocessor socket.

22Hardware Replacement Guide

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Contents Hardware Replacement Guide Types 8122, 8123 Types 8131, 8137 Page Hardware Replacement Guide Types 8122, 8123 Types 8131, 8137 Page Contents Iv Hardware Replacement Guide Overview Tools required Handling static-sensitive devicesLocations Locating componentsIeee 1394 connector some 4 Microphone connector Models Locating connectors on the rear of the computer Identifying parts on the system board Replacing hardware Removing the computer coverHardware Replacement Guide Replacing hardware Replacing the power supply Removing and replacing the front bezelReplacing hardware Hardware Replacement Guide Replacing hardware Replacing the system board assembly Replacing hardware Hardware Replacement Guide Replacing hardware Hardware Replacement Guide Replacing hardware Hardware Replacement Guide Replacing the microprocessor Hardware Replacement Guide Replacing hardware Hardware Replacement Guide Replacing hardware Hardware Replacement Guide Replacing a memory module Replacing an adapter Replacing the hard disk drive Replacing an optical drive Replacing hardware Replacing the diskette drive Replacing the keyboardReplacing the mouse Replacing the internal speakerHardware Replacement Guide Completing the installation Updating flashing Bios from a diskette or CD-ROM Page Part Number 39J7784