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2.1
Jumpers
2.1.1
Jumper Description
Cards can be configured by setting jumpers. A jumper is a metal bridge used to close
an electric circuit. It consists of two metal pins and a small metal clip (often protected
by a plastic cover) that slides over the pins to connect them. To close a jumper, con-
nect the pins with the clip. To open a jumper, simply remove the clip. Some jumpers
have three pins, labeled 1, 2 and 3. In this case, connect either pins 1 and 2, or 2 and
3.
The jumper settings are schematically depicted in this manual as follows:
A pair of needle-nose pliers may be helpful when working on jumpers. For advice
regarding the optimum hardware configuration for your needs, contact your local dis-
tributor or sales representative before making any changes.
Generally, a standard cable can support most connections.
Warning! To avoid damaging the computer, always turn off the power supply
before setting jumpers.
2.1.2
Jumper list
Table 2.1: Jumper List
J1
SW1
SW2
2.1.3
Jumper Settings
Table 2.2: J1: LCD Power / Auto Power On
Part No.
Footprint
Description
Setting
(1-2)
(3-4) (default)
(5-6) (default)
MIO-2270 User Manual
LCD power / Auto power on
DDR3 / DDR3L power select
LAN Enable/ Disable
1653003260
HD_3x2P_79
Pin header 3*2P 180D(M) 2.0 mm SMD square pin
Function
+5 V
+3.3 V
Auto power on
8
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