IBM ThinkCentre 8171, Руководство по замене, Страница: 11 / 32

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
connector
3
SATA IDE hard disk drive
connectors (2)
10
Power supply connector
4
Riser connector
11
PATA Primary IDE connector (hard disk
drive and CD-ROM drive)
5
CMOS Battery
12
Power supply connector
6
Clear CMOS/BIOS recovery
jumper
13
Microprocessor
7
Internal speaker connector
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