ARK-3530 User Manual xiiFigure 2.12VGA Connector ........................................................ 18Table 2.8: VGA Connector Pin Assignments ............................ 182.4 Installation............................................................................................... 192.4.1 CPU/Memory Installation ............................................................ 192.4.2 Remove Bottom Cover ............................................................... 192.4.3 External HDD/SSD Installation ................................................... 202.4.4 M.2 Module/MiniPCIe Module/Internal SIM Card Slot Installation ..202.4.5 iDoor Installation ......................................................................... 212.4.6 Optional Module for Third Display Installation ............................ 212.4.7 Replace CPU thermal Grease Pad............................................. 222.4.8 Wide operating temperature support .......................................... 22Chapter 3 BIOS Settings .................................... 233.1 Introduction ............................................................................................. 243.2 Entering Setup ........................................................................................ 253.2.1 Main Setup.................................................................................. 253.2.2 Advanced BIOS Features Setup................................................. 263.2.3 Chipset Configuration ................................................................. 44Appendix A Watchdog Timer Sample Code ........ 53A.1 EC Watchdog Timer Sample Code......................................................... 54Appendix B USB 3.0 Drivers InstallationInstruction57B.1 USB 3.0 Drivers Installation Instruction .................................................. 58