Locating Parts On The System Board - Lenovo ThinkCentre 6393 Hardware Installation And Replacement Manual

Locating parts on the system board

The system board is the main circuit board in your computer. It provides basic
computer functions and supports a variety of devices.
Figure 4 shows the location of parts on the system board.
Figure 4. Locating parts on the system board
1
Microprocessor and heat sink
2
Modem daughter card (MDC)
connector
3
Battery
4
Thermal sensor connector
5
Memory slots (2)
6
Serial (COM) connector
7
Front panel connector
8
Front USB connector
9
SATA IDE connectors (2)
10
ExpressCard USB connector
11
ExpressCard PCIe connector
12
Clear CMOS/Recovery jumper
13
Card reader connector
14
Internal speaker connector
15
Front audio connector
16
Rear USB connector
17
System fan connector
18
Internal power distribution connector
Chapter 2. Overview
9