Jumpers of i/o board type 1, 4 jp1: cf card master/ slave jumper, 5 jp2: lvds vdd power – AMD K3780E User Manual
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Mainboard
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Jumpers of I/O Board Type 1 ---
1.4.4 JP1: CF Card Master/ Slave Jumper
This Jumper is to select the CF works on Secondary Channel master device or Slave device.
JP2
Assignment
Pin 1-2 Closed
Slave
Pin 2-3 Closed
Master (Default)
1.4.5 JP2: LVDS VDD POWER
It’s for LVDS VDD power setting.
JP3
Assignment
Pin 1-2 Closed
VCC5V
Pin 2-3 Closed
VCC3P3V (Default)
1.4.6 CN1 - 6: RS-232 Voltage Setting
Pin
Assignment
Pin
Assignment
1 RS232
2 VCC5V
3 RS232
4 RI
(Default)
5 RS232
6 VCC12V