VIA Technologies EPIA-E900, User Manual

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EPIA
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EPIA----E900 User Manual
E900 User Manual E900 User Manual
E900 User Manual
25
3.
3. 3.
3. Jumpers
Jumpers Jumpers
Jumpers
Jumper Description Jumper Description Jumper Description Jumper Description
A jumper consists of pair conductive pins used to close in or bypass an
electronic circuit to set up or configure particular feature using a jumper cap.
The jumper cap is a small metal clip covered by plastic. It performs like a
connecting bridge to short (connect) the pair of pins. The usual colors of the
jumper cap are black/red/blue/white/yellow.
Jumper Setting Jumper Setting Jumper Setting Jumper Setting
There are two settings of the jumper pin: “Short
Short Short
Short and Open
Open Open
Open”. The pins are
“Short”
Short” Short”
Short” when a jumper cap is placed on the pair of pins. The pins are ”Open”
”Open” ”Open”
”Open” if
the jumper cap is removed.
In addition, there are jumpers that have three or more pins, and some pins are
arranged in series. In case of a jumper with three pins, place the jumper cap on
pin 1 and pin 2 or pin 2 and 3 to Short
Short Short Short it.
Some jumper size is small or mounted on the crowded location on the board
that makes it difficult to access. Therefore, using a long-nose plier in installing
and removing the jumper cap is very helpful.
Figure
Figure Figure
Figure 25
25 25
25: Jumper settings example
: Jumper settings example : Jumper settings example
: Jumper settings example
Caution: Caution: Caution: Caution:
Make sure to install the jumper cap on the correct pins. Installing it in the wrong pin might cause
damage and malfunction.