System Board - Lenovo 10TX User Manual And Hardware Maintenance Manual

To improve the operating performance of the computer, you can connect PCI-Express cards into this area.
Depending on the computer model, the connectors in this area vary.

System board

Note: See "Front view" and "Rear view" for additional component descriptions.
Figure 3. System board
1
4-pin power connector
3
Microprocessor fan connector
5
Buzzer
7
Memory slot (DIMM2)
9
Internal speaker connector
11
Storage drive activity indicator connector
13
M.2 solid-state drive slot
15
SATA connector (connecting to the storage drive)
17
SATA connector (connecting to the optical drive)
19
Serial (COM2) connector
21
PCI Express x1 card slot
23
PCH
2
Microprocessor socket
4
Coin-cell battery
6
Memory slot (DIMM1)
8
6-pin power connector
10
Clear CMOS /Recovery jumper
12
Thermal sensor connector
14
M.2 Wi-Fi card slot
16
SATA power connector
18
Card reader connector
20
PCI Express x16 graphics card slot
22
Parallel connector
. 5
Chapter 1 Overview