6
The ENDAT-7301M System Board
Jumpers Overview:
Clear CMOS
JBAT1
LVDS Power Selector
JP1
RS-232 / 422 / 485 Selector (COM2)
JP2, JP3
Master / Slave Selector for CF Card
JP7
Case Panel Header
JP9
HDD active LED
JP9: Pin 1(-), Pin 2(+)
External Speaker
JP9: Pin 3, Pin 6
Buzzer On/Off
JP9: Pin 4, Pin 5
Hardware Reset Switch
JP9: Pin 7, Pin 8
ATX Power Supply On/Off Switch
JP9: Pin 9, Pin 10
Power LED
JP9: Pin 12(+), Pin 11(-)
WDT Function Enable/Disable
JP7: Pin 13, Pin 14
Part 1: Onboard Jumpers
JBAT1: CMOS Data Clear (1x3 with 2.0mm)
Pin 1-2 *
Normal
Pin 2-3
Close for clear CMOS
JP1: LVDS Power Selector (2x3 with 2.0mm)
Pin Number Pin 1-2 *
Pin 3-4
Pin 5-6
LVDS Power
+3.3V
+5V +12V
JP2, JP3: RS232 / 422 / 485 Selector for COM2 (2.0mm)
TYPE
JP2 (3x4 with 2mm)
JP3 (2x3 with 2mm)
RS-232 *
1-2, 4-5, 7-8, 10-11
1-2
RS-422
2-3, 5-6, 8-9, 11-12
3-4
RS-485
2-3, 5-6, 8-9, 11-12
5-6
JP7: Master / Slave Selector for CF Card (1x3 with 2.0mm)
Pin 1-2 *
Slave
Pin 2-3
Master