Dell G1 Bedienungsanleitung PDF herunterladen (Seite 84)

5-6 Dell OptiPlex G1 Midsize Managed PC Reference and Installation Guide

To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the

pin(s) indicated.

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A jumper is referred to as

open

unjumpered

when the plug is pushed down over

only one pin or if there is no plug at all. When the plug is pushed down over two pins,

the jumper is referred to as

jumpered

. In some documents, the jumper setting may be

shown in text as two numbers, such as

1-2

. The number

is printed on the circuit

board so that you can identify each pin number based on the location of pin 1.

Figure 5-6 shows the location and default settings of the jumper blocks on your sys-

tem board. See Table 5-1 for the designations, default settings, and functions of your

system’s jumpers.

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Switches control various circuits or functions in your computer system. The switches

you are most likely to encounter are dual in-line package (DIP) switches, which are

normally packaged in groups of two or more switches in a plastic case. Two common

types of DIP switches are

slide

switches and

rocker

switches (see the following

illustration).

Each of these switches has two positions, or

settings

(usually

and

off

). To change

the setting of a slide switch, use a small, pointed object such as a small screwdriver or

a straightened paper clip to slide the switch to the proper position. To change the

setting of a rocker switch, use the screwdriver or paper clip to press down on the

appropriate side of the switch. In either case, do not use a pen, pencil, or other object

that might leave a residue on the switch.

slide switches rocker switches

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