PC 2120 All-in-One 12.1” TFT LCD Panel PC User’s Manual3.11 USB and Dallas Key InstallationTo install an USB device or to access a Dallas key to the system fromside panel, you must get access to the connectors located on the sidepanel. Take off the dust/spill cap located at the side panel by pushingit downward to loosen its grip on top. Once loosened, pull the capupward to disengage completely.3.12 System O/S and Software InstallationThe PC 2120 series is not equipped with any operating system. Itreserves a 3.5” HDD drive bay for its storage device space. As bothdevices are built in the system chassis, to load any O/S or applicationsoftware into the computer, an external device is needed to act as abridge. There are three major ways to load software into the system.z Use an external USB flash memory:Attach a USB flash memory to the USB port. Then,configure the system BIOS setup and containingnecessary software and start the installation.z Use Ethernet:If the Ethernet bootrom is already included in the system,the user can boot up the system via bootrom anddownload the system O/S or application software fromthe net.z Use external USB CD-ROM/ HDD:Attach a USB CD-ROM or USB HDD to the USB port. Then,configure the system BIOS setup and containingnecessary software and start the installation.22 Hardware Installation