Dell Precision 410 User Manual

Also see for Vostro 410: Setup guide User guide Service manual Setup and quick reference guide Documentation update

Contents

B-2 Dell Precision 410 Mini Tower Systems User’s GuideA jumper is referred to asopen orunjumpered when the plug is pushed down overonly one pin or if there is no plug at all. When the plug is pushed down over two pins,the jumper is referred to asjumpered. The jumper setting is often shown in text astwo numbers, such as1-2. The number1 is printed on the circuit board so that youcan identify each pin number based on the location of pin 1.Figure B-1 shows the location and default settings of the jumper blocks on your sys-tem board. See Table B-1 for the designations, default settings, and functions of yoursystem’s jumpers.6ZLWFKHVSwitches control various circuits or functions in your computer system. The switchesyou are most likely to encounter are dual in-line package (DIP) switches, which arenormally packaged in groups of two or more switches in a plastic case. Two commontypes of DIP switches areslide switches androcker switches (see the followingillustration).Each of these switches has two positions, orsettings (usuallyon andoff). To changethe setting of a slide switch, use a small, pointed object such as a small screwdriver ora straightened paper clip to slide the switch to the proper position. To change thesetting of a rocker switch, use the screwdriver or paper clip to press down on theappropriate side of the switch. In either case, do not use a pen, pencil, or other objectthat might leave a residue on the switch.slide switchesrocker switches23205BK0.BK : 23205AB0.FM Page 2 Wednesday, March 18, 1998 1:51 PM