Identifying Parts On The System Board; System Board Parts Locations - Lenovo 6423 Installation Manual

Identifying parts on the system board

Figure 4 shows the location of parts on the system board.
Figure 4. System board parts locations
1
COM2
2
Battery
3
12 volt power connector,
graphics
4
Rear fan connector
5
Microprocessor heat sink fan
connector
6
Microprocessor 12 V power
connector
7
Microprocessor and heat sink
8
Memory connectors (4)
9
Front hard disk drive fan
connector
10
24- pin system power connector
11
Diskette drive connector
12
SATA connectors (2)
13
Auxiliary USB connector
14
Front USB connector
15
SATA connectors (4)
16
Clear CMOS/Recovery jumper
17
Front adapter fan connector
18
IEEE 1394 Connector
19
SAS LED connector
20
Auxiliary LEDs connector
21
Front panel connector
22
Cover tamper switch connector
23
Ambient temperature connector
24
Front audio connector
25
Internal speaker
9
Chapter 2. Overview