Jumpers - MSI MS-9801 User Manual

MS-9801 Mainboard

Jumpers

COM Port Power Jumpers: J2, J3, J5, J6
These jumpers specify the operation voltage of the serial port COM1~4.
J2,J3,J5,J6
1
AT/ATX Power Jumper: J4
This jumper is used to select AT or ATX power.
J4
LCD Power Source Jumper: J7
This jumper is used to select the power source of LCD.
J7
Pin
1
1
2
3
2-16
Pin Definition
Pin Signal
1 VCC12F
2 VCC_COM
3 VCC5F
1
Pin Definition
Signal
VCC3
LCD_SRC (default VCC3)
VCC5
1
3
12V
1 1
3 3
AT A TX
1
3
3.3V
1
3
5V
1
3
5V