Locating Parts On The System Board - Lenovo ThinkCentre E73 User Manual

Locating parts on the system board

Figure 4 "System board part locations" on page 13 shows the locations of the parts on the system board.
Figure 4. System board part locations
1
4-pin power connector
2
Microprocessor
3
Microprocessor fan connector
4
Memory slot 1 (DIMM1)
5
Memory slot 2 (DIMM2)
6
Thermal sensor connector
7
Power fan connector
8
Hard disk drive/ Optical drive power connectors
9
24-pin power connector
10
BIOS ROM
11
SATA 3.0 connectors
12
Power supply fan connector
13
SATA 2.0 connector
14
Front panel connector (for connecting LED indicators and
the power switch)
15
Front USB connector 1 (for connecting USB ports 1 and 2
on the front bezel)
16
Front USB connector 2 (for connecting an additional USB
device)
17
Clear CMOS (Complementary Metal Oxide Semiconductor)
/Recovery jumper
18
Clear CMOS /Recovery jumper
19
Serial (COM2) connector
20
Front audio connector
21
Internal speaker connector
22
PCI Express x1 card slots (2)
23
PCI Express x16 graphics card slot
24
System fan connector
25
Battery
.
Chapter 1 Product overview
13