User`s guide

Jumper Settings and Pin Definitions 2-5KEEX-2010 Series User Guide
X 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.
J
umper Function
JP1 Clear CMOS
JP2 AT/ATX Power mode Selection
JP3 LCD Voltage Selection
Table 2-1. Jumper Descriptions
X Clear CMOS Jumper (JP1: 3-pin 2.0mm pitch header):
Function
J
P3
Normal (Default) 1-2 Short
Clear CMOS 2-3 Short
Table 2-2. Clear CMOS Jumper
X AT/ATX Mode Selector (JP2: 2-pin 2.0mm pitch header):
Function JP2
ATX Mode (Default) 1-2 Open
AT Mode 1-2 Short
1
2
Table 2-3. AT/ATX Mode Selector
X LCD Voltage Selector (JP3: 3-pin 2.0mm pitch header):
Function JP1
+5V 1-2 Short
+3.3V (Default) 2-3 Short
Table 2-4. LCD Voltage Selector