Lenovo 4266, 4271, 4272, 4269, 4265, 4264, 4263 manual Locating parts and connectors on the system board

Models: 4263 4266 4264 4265 4269 4272 4271

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Locating parts and connectors on the system board

Note: Your computer comes with one of the following system boards.

Figure 4 shows the locations of the parts and connectors on one type of system board.

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Figure 4. System board part and connector locations

1 CPU 1 memory slots (6)

2 CPU 1 memory fan connector 3 CPU 2 12 V power connector 4 Microprocessor 2

5 24-pin power connector 6 CPU 2 fan connector

7 CPU 2 memory fan connector 8 CPU 2 memory slots (6)

9 Power switch and LEDs connector 10 Auxiliary LED connector

11 Right rear fan connector 12 Front fan connector 13 Card reader connector 14 Front USB connector 15 Front IEEE 1394 connector 16 Hard disk drive connectors (5) 17 Optical drive connectors (3) 18 Battery

19 Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper

20 Thermal sensor connector

21 Cover presence switch connector

22 Personal System/2® (PS/2®) keyboard and mouse connector

23 Internal speaker connector 24 Front audio connector 25 PCI card slot

26 PCI Express x4 card slot (x16 mechanical) 27 PCI Express x16 card slot

28 PCI card slot

29 PCI Express x16 card slot 30 PCI Express x1 card slot

31 Auxiliary 12 V power connector 32 Left rear fan connector

33 CPU 1 12 V power connector 34 CPU 1 fan connector

35 Microprocessor 1

Chapter 1. Product overview 11

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Lenovo 4266, 4271, 4272, 4269 Locating parts and connectors on the system board, System board part and connector locations