1

DC-in

2

Mini serial RS-232 port

3

USB 3.0 type C™ port with displayport alt/mode powershare

4

USB 3.1 type-A with power delivery

5

Micro-SD card slot

6

Combo mic/headphone jack

7

Fan exhaust

8

Kensington lock slot

9

Front camera

10

User programmable button 3

11

User programmable button 2

12

User programmable button 1

13

Volume increase button

14

Volume decrease button

15

Brightness increase button

16

Brightness decrease button

17

Screen rotate lock button

19

Rear camera

18

LED flash

22

Fingerprint reader (optional)

21

Smart card reader slot

20

Expansion module pogo connector

27

Radio antennae pass-through connector

26

Docking pogo connector

24

Accessory connection points

Accessory connection points

25

Accessory connection points

23