AIMB-785 User Manual 81.7 Safety Precautions1.8 Jumper SettingsThis section provides instructions on how to configure your motherboard by settingthe jumpers. It also includes the motherboard default settings and your options foreach jumper.1.8.1 How to set jumpersYou can configure your motherboard to match the needs of your application by set-ting the jumpers. A jumper is a metal bridge that closes an electrical circuit. It consistsof two metal pins and a small metal clip (often protected by a plastic cover) that slidesover the pins to connect them. To “close” (or turn on) a jumper, you connect the pinswith the clip. To “open” (or turn off) a jumper, you remove the clip. Sometimes ajumper consists of a set of three pins, labeled 1, 2, and 3. In this case you connecteither pins 1 and 2, or 2 and 3. A pair of needle-nose pliers may be useful when set-ting jumpers.Warning! Always completely disconnect the power cord from your chassis when-ever you work with the hardware. Do not make connections while thepower is on. Sensitive electronic components can be damaged by sud-den power surges. Only experienced electronics personnel should openthe PC chassis.Caution! Always ground yourself to remove any static charge before touching themotherboard. Modern electronic devices are very sensitive to staticelectric discharges. As a safety precaution, use a grounding wrist strapat all times. Place all electronic components on a static-dissipative sur-face or in a static-shielded bag when they are not in the chassis.Caution! The computer is provided with a battery-powered Real-time Clock cir-cuit. There is a danger of explosion if battery is incorrectly replaced.Replace only with same or equivalent type recommended by the manu-facturer. Discard used batteries according to manufacturer’s instruc-tions.Caution! There is a danger of a new battery exploding if it is incorrectly installed.Do not attempt to recharge, force open, or heat the battery. Replace thebattery only with the same or equivalent type recommended by the man-ufacturer. Discard used batteries according to the manufacturer’sinstructions.