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Chapter 2
22
KEEX-1850 Series User’s Manual
Jumper Settings
To ensure correct system configuration, the following section describes how to set
the jumpers to enable/disable or change functions. For jumper descriptions, please
refer to the table below
.
Table 2 Jumper List
Label
Function
JP1
RTC Reset Selection
JP2
Backlight Enable Selection
JP3
MPCIE Activity LED Indication
JP4
Panel & Backlight Power Selection
JP6
USB Power Selection
JP7
ME F/W Selection
JP8
Keyboard Lock Selection
JP9
AT / ATX Power Mode Selection
Table 3 JP1 RTC Reset Selection
1
2
Jumper
Status
1-2 Open
Normal Operation.
1-2 Short
Clear CMOS
DIP 2P 1R MALE STRAIGHT TYPE
Pitch:2.54mm [YIMTEX 3321*02SAGR(6T)]
Table 4 JP2 Backlight Enable Selection
2
1
6
5
Jumper
Setting
Status
1
1-3
Backlight Enable Level = +3.3V
3-5
Backlight Enable Level = +5V
2
2-4
Backlight Enable High Active
4-6
Backlight Enable Low Active
SMD 6P 2R MALE TYPE 180D P-2.0mm[PINREX 222-97-03GBB1]
Table 5 JP3 MPCIE Activity LED Indication
1
2
Jumper
Status
1
LED+
2
LED-
DIP 2P 1R MALE STRAIGHT TYPE Pitch:2.54mm [YIMTEX
3321*02SAGR(6T)]