User`s manual
ENDAT-2794A USERS MANUAL 
UNICORN COMPUTER CORP. 
12 
JP4, JP5: COM Port Voltage Selector (2x6 with 2.0mm) 
Voltage  +12V(DC) R.I. *  +5V(DC) 
JP4 (COM1) 1-2 3-4 5-6 
JP4 (COM2) 7-8 9-10 11-12 
JP5 (COM3) 1-2 3-4 5-6 
JP5 (COM4) 7-8 9-10 11-12 
JP6, JP7: LCD Voltage Select 
Voltage  +3.3V *  +5V  +12V 
JP6 (LVDS1) 1-2  3-4  5-6 
JP7 (LVDS2)  1-2 3-4 5-6 
JP9(Pin3-5), JP14: LCD Backlight Voltage Select 
Voltage  +5V   +12V *  
JP9,Pin3-5 (LVDS1) 4-5  3-4 
JP14 (LVDS2)  1-2 2-3 
JP9(Pin6-8), JP12: LCD Backlight Control Voltage Select 
Voltage  +3.3V *  +5V 
JP9,Pin6-8 (LVDS1) 6-7  7-8 
JP12 (LVDS2)  1-2 2-3 
JP9(Pin6-8), JP12: LCD Backlight Voltage (for +3.3V) 
  Voltage 
JP9,Pin1-2 (LVDS1)  +3.3V 
JP9,Pin9-10 (LVDS2)  +3.3V 
Part 2: Onboard Connectors and Headers 
VGA1: CRT Box Header Connector (2x8 with 2.0mm) 
Pin No.  Description  Pin No. Description
1  RED  9  N.C. 
2  GREEN  10  GND 
3  BLUE  11  N.C. 
 4  N.C.  12  DDC DAT
5  GND  13  H-Sync 
6  GND  14  V-Sync 
7  GND  15  DDC CLK
8  GND   










