
Contents
| Overview | . v | Removing and replacing the front bezel . . . . | . 8 | |||
| Safety information for replacing CRUs | . v | Replacing the power supply | . | 8 | ||
| Safety information for replacing FRUs | . v | Replacing the system board assembly | . 12 | |||
| Additional information resources | . v | Replacing the microprocessor | . | 19 | ||
| Tools required | . vi | Replacing a memory module | . | 25 | ||
| Handling  | . vi | Replacing an adapter | . | 26 | ||
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 | Replacing the hard disk drive | . | 27 | |
| Chapter 1. Locations | . | 1 | Replacing an optical drive | . | 28 | |
| Locating components | . | 1 | Replacing the diskette drive | . | 30 | |
| Replacing the keyboard | . | 30 | ||||
| Locating controls and connectors on the front of the | 
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 | Replacing the mouse | . | 31 | ||
| computer | . | 2 | ||||
| Replacing the internal speaker | . | 31 | ||||
| Locating connectors on the rear of the computer . | . 3 | |||||
| Completing the installation | . | 33 | ||||
| Identifying parts on the system board | . | 4 | ||||
| Updating (flashing) BIOS from a diskette or | 
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| Chapter 2. Replacing hardware . . . . | . | 5 | . | 34 | ||
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| Removing the computer cover | . 5 | 
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| Pivoting or removing the optional hard disk drive | 
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| mounting bracket | . | 7 | 
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| © Copyright IBM Corp. 2005 | iii |