ENDAT-LX301 USERS MANUAL
UNICORN COMPUTER CORP.
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Jumpers Overview:
Function
Jumpers/Connectors
Clear CMOS
JBAT1
COM Port Voltage Selector
JP1
RS232 / 422/ 485 Selector for COM2
JP2, JP3
LVDS trigger edge selector
JP4
LCD Voltage Selector
JP5
Restore on AC power loss
JP6
Header for Case Panel
JP7
HDD active LED
JP7: Pin 1(-), Pin 2(+)
External Speaker
JP7: Pin 3, Pin 6
Buzzer On/Off
JP7: Pin 4, Pin 5
Hardware Reset Switch
JP7: Pin 10, Pin 11
Power LED
JP7: Pin 12(+), Pin 13(-)
WDT Function Enable/Disable
JP7: Pin 14, Pin 15
ATX Power Supply On/Off Switch
JP7: Pin 16, Pin 17
CF card power / Master, Slaver selector
JP8
Please double-check the insertion and orientation of the LCD cable before applying power.
Improper installation will result in permanent damage LCD panel.
ENDAT-LX301 USERS MANUAL
UNICORN COMPUTER CORP.
- 12 -
Part 1: Onboard Jumpers
JBAT1: CMOS Data Clear (1x3 with 2.0mm)
Pin 1-2 *
Normal
Pin 2-3
Close for clear CMOS
JP1: COM Port Voltage Selector (2x6 with 2.0mm)
Voltage
+12V(DC)
R.I. *
+5V(DC)
COM1
1-2
3-4
5-6
COM2
7-8
9-10
11-12
JP2, JP3: RS232 / 422 / 485 Selector for COM2 (2.0mm)
TYPE
JP2 (3x4 with 2mm)
JP3 (2x7 with 2mm)
RS-232 *
1-2, 4-5, 7-8, 10-11
1-2
RS-422/485
2-3, 5-6, 8-9, 11-12
3-4, 5-6
JP4: LVDS chip trigger edge selector (1x3 with 2.0mm)
Pin 1-2
Rising edge
Pin 2-3 *
Falling edge
Note: Change default location since A5 PCB version.
JP5: LCD Voltage Selector (2x3 with 2.0mm)
Pin 1-2 *
+3.3V
Pin 3-4
+5V
Pin 5-6
+12V
Caution: Improper setting will damage LCD panel.
JP6: Restore on AC power loss (1x2 with 2.54mm)
Close
Enable
Open*
Disable
When JP6 was been closed, the system power will turn on automatically when AC
power applied.