Locating Parts On The System Board - Lenovo thinkcentre e73 Hardware Maintenance Manual

Locating parts on the system board

Figure 4 "System board part locations" on page 72 shows the locations of the parts on the system board.
Figure 4. System board part locations
1
4-pin power connector
3
Microprocessor fan connector
5
Memory slot 2 (DIMM2)
7
Power fan connector
9
14-pin power connector
11
SATA 3.0 connectors
13
SATA 2.0 connector
15
Front USB connector 1 (for connecting USB
ports 1 and 2 on the front bezel)
17
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
19
Front audio connector
21
PCI Express x1 card slots (2)
23
System fan connector
72
ThinkCentre E73 Hardware Maintenance Manual
2
Microprocessor
4
Memory slot 1 (DIMM1)
6
Thermal sensor connector
8
Hard disk drive/ Optical drive power connectors (number and
location vary by model)
10
BIOS ROM
12
Power supply fan connector
14
Front panel connector (for connecting LED indicators and
the power button)
16
Front USB connector 2 (for connecting an additional USB
device)
18
Serial (COM2) connector
20
Internal speaker connector
22
PCI Express x16 graphics card slot
24
Battery