Identifying parts on the system board
The system board (sometimes called the planar or motherboard) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices.
The following illustration shows the locations of parts on the system board.
1 | Fan connectors (2) | 8 | Diskette drive connector |
2 | Memory connectors (2) | 9 | Power button and front LED assembly |
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| connector |
3 | SATA IDE hard disk drive | 10 | Power supply connector |
| connectors (2) |
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4 | Riser connector | 11 | PATA Primary IDE connector (hard disk |
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| drive and |
5 | CMOS Battery | 12 | Power supply connector |
6 | Clear CMOS/BIOS recovery | 13 | Microprocessor |
| jumper |
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7 | Internal speaker connector |
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Removing and replacing the power supply
Attention
Do not open your computer or attempt any repair before reading the “Safety notices” in the Quick Reference that was included with your computer. If you no longer have this copy of the Quick Reference, you can obtain one online from the IBM Web site at http://www.ibm.com/pc/support.
To remove and replace the power supply, do the following:
1.Open the cover. Go to “Opening the cover” on page 1.
Replacing customer replaceable units (CRUs) 3
