Lenovo 10AB000KUS manual ThinkCentre M83 system board part locations

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28
27
26
25						14
24						15
						16
23	22	21	20	19	18	17

Figure 6. ThinkCentre M83 system board part locations

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

Chapter 1. Product overview 15