UTC-520 User Manual 143.1 IntroductionThe UTC-515 consists of a PC-based computer that is housed in an Aluminum extru-sion. You can install a HDD, DRAM, and Compact Flash by removing the rear cover.Any maintenance or hardware upgrades can be easily completed after removing therear cover.3.2 Installing the 2.5" Hard Disk Drive (HDD)You can attach one Serial Advanced Technology Attachment (SATA) hard disk driveto the UTC-515's internal controller. The SATA controller supports faster data transferand allows the SATA hard drive to exceed 150 MB. The following are instructions forinstallation:1. Detach and remove the rear cover.2. Place the HDD in the metal bracket, and tighten the screws (see Figure 3.1).3. The HDD cable (SATA 7P+1*5P-2.5/SATA(15+7)P) is next to the metal brace.Connect the HDD cable to the motherboard (CN3/CN5). Plug the other end ofthe cable into the SATA hard drive.4. Put the rear cover on and tighten the screws.Figure 3.1 Installing primary 2.5" HDDWarning! Do not remove the rear cover until you have verified that no power isflowing within the UTC-515. Power must be switched off and the powercord must be unplugged. Every time you service the UTC-515, youshould be aware of this.