Lenovo ThinkCentre M93/p User Manual page 27

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Figure 6. ThinkCentre M83 system board part locations
1
PS/2 keyboard and mouse connector
3
Microprocessor
5
Memory slot 1 (DIMM1)
7
Memory slot 3 (DIMM3)
9
Thermal sensor connector
11
4-pin SATA power connectors (2)
13
eSATA connector
15
SATA 3.0 connectors (3)
17
Front panel connector
19
Front USB connector 1 (for connecting additional
USB devices)
21
Serial (COM2) connector
23
Front audio connector
25
PCI Express x1 card slot
27
System fan connector
29
Battery
23 22 21 20 19 18
2
4-pin power connector
4
Microprocessor fan connector
6
Memory slot 2 (DIMM2)
8
Memory slot 4 (DIMM4)
10
Hard disk drive fan connector
12
14-pin power connector
14
Parallel connector
16
Power fan connector
18
Front USB connector 2 (for connecting USB ports 1 and
2 on the front bezel)
20
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
22
Internal speaker connector
24
PCI Express card slot (physical link width x16; negotiable
link width x4, x1)
26
PCI Express x16 graphics card slot
28
Cover presence switch connector (intrusion switch
connector)
14
15
16
17
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Chapter 1 Product overview
15