Preface XIICompact Fanless Embedded AI@Edge Box PC BOXER-8254AI2.4.16 Internal COM RS232 Header (CN47) ................................................ 222.4.17 RS-232/485 Select (SW1) ..................................................................... 222.5 Hardware Assembly .............................................................................................. 232.5.1 2.5” SATA Drive Installation .................................................................. 232.5.2 Module Access & Installation .............................................................. 252.5.3 Wallmount Kit Installation .................................................................... 26Chapter 3 – OS Flash Guide ................................................................................................. 273.1 Before Installation .................................................................................................. 283.2 Connecting to PC/Force Recovery Mode ........................................................ 293.3 Flash Image to Board............................................................................................ 30