System Board - Lenovo 11A9000DUK User Manual

System board

1
4-pin power connector
3
Microprocessor fan connector
5
Memory slot (DIMM2)
7
Memory slot (DIMM4)
9
Power button board connector
11
SATA power connectors (2)
13
Coin-cell battery
15
SATA 3.0 connectors (3)
17
Auxiliary fan connector 1
19
Thermal sensor connector
21
Cover presence switch connector (intrusion switch
connector)
23
Front USB 2.0 connector
25
Serial (COM2) connector
27
Buzzer
2
Microprocessor socket
4
Memory slot (DIMM1)
6
Memory slot (DIMM3)
8
Auxiliary fan connector 2
10
Storage drive activity indicator
12
10-pin power connector
14
FCH
16
Clear CMOS (Complementary Metal Oxide
Semiconductor)/Recovery jumper
18
ThinkCentre LED connector
20
M.2 solid-state drive slot
22
Front USB 2.0 connector (card reader connector)
24
Parallel connector
26
PCI card slot
28
PCI Express x1 card slots (2)
.
Chapter 1 Meet your computer
5