X221D & X221D-AI TECHNICAL REFERENCE MANUAL
CONTENTS
SECTION 1 Document revisions and changes .................................................................. 4
SECTION 2 Product revisions and changes ...................................................................... 5
SECTION 3 Overview ...................................................................................................... 6
3.1 Introduction ................................................................................................................................................. 6
3.2 Carrier board features .................................................................................................................................. 6
3.3 Technical specification ................................................................................................................................. 7
3.4 Model pictures ............................................................................................................................................. 8
3.5 Power consumption and efficiency .............................................................................................................. 8
SECTION 4 Features ...................................................................................................... 11
4.1 Crypto authentication chip ........................................................................................................................ 11
4.2 Fan connection ........................................................................................................................................... 11
4.3 Manufacturing options .............................................................................................................................. 12
SECTION 5 Pinout description top side ......................................................................... 13
5.1 J1 – Power jack ........................................................................................................................................... 13
5.2 J2 – Power port .......................................................................................................................................... 13
5.3 J3 – USB3 .................................................................................................................................................... 13
5.4 J4 – Ethernet .............................................................................................................................................. 13
5.5 J5 – CAM_LED ............................................................................................................................................. 13
5.6 J6 – CAN1 ................................................................................................................................................... 14
5.7 J7 – I2C ....................................................................................................................................................... 14
5.8 J8 – FAN ...................................................................................................................................................... 14
5.9 J10 – Debug port ........................................................................................................................................ 14
5.10 J11 – HDMI ................................................................................................................................................. 15
5.11 J12 – CAN0 ................................................................................................................................................. 15
5.12 J14 – MCU .................................................................................................................................................. 15
5.13 J15 – 2x USB 3.1 ......................................................................................................................................... 16
5.14 J17 – MICRO USB ........................................................................................................................................ 16
5.15 J19 – CSI-2 .................................................................................................................................................. 16
5.16 J20 – PCIe x4 ............................................................................................................................................... 17
5.17 J22 – ETHERNET ......................................................................................................................................... 18
5.18 J24 – CSI-1 .................................................................................................................................................. 18
5.19 J28 – SPI ..................................................................................................................................................... 19
5.20 J33 – I2C ..................................................................................................................................................... 20
5.21 J37 – PCIe x1 ............................................................................................................................................... 20
5.22 J38 – VCC_SRC ............................................................................................................................................ 21
5.23 J39 – USB2 .................................................................................................................................................. 21
5.24 J41 – USB2 .................................................................................................................................................. 21
5.1 RGB LED ...................................................................................................................................................... 21
SECTION 6 Pinout description bottom side ................................................................... 22
6.1 J18 – WiFi ................................................................................................................................................... 22
