Locating Parts On The System Board - Lenovo 10AQ Maintenance Manual

Locating parts on the system board

Figure 4 "Locations of the parts and connectors on the system board" on page 73 shows the locations
of the parts and connectors on the system board.
Figure 4. Locations of the parts and connectors on the system board
1
4-pin power connector
2
Microprocessor
3
Microprocessor fan connector
4
Memory slot 1 (DIMM1)
5
Memory slot 2 (DIMM2)
6
Memory slot 3 (DIMM3)
7
Memory slot 4 (DIMM4)
8
Thermal sensor connector
9
4-pin power connectors (2)
10
14-pin power connector
11
eSATA connector
12
Parallel connector
13
Front USB 3.0 connector (for connecting USB
3.0 ports 1 and 2 on the front bezel)
16
Front panel connector (for connecting LED indicators and
power switch)
17
Front USB 2.0 connector (for connecting additional USB
2.0 devices)
18
Clear CMOS (Complementary Metal Oxide Semiconductor)
/Recovery jumper
19
Serial (COM2) connector
20
Internal speaker connector
21
Front audio connector
22
PCI card slot
23
PCI Express x1 card slots (2)
24
PCI Express x16 graphics card slot
25
System fan connector
26
Cover presence switch connector (Intrusion switch
connector)
27
HDMI connector
28
Battery
73
.
Chapter 8 Locations