March Products 120 III (PC620) user manual Write DIO OUT BIT0~3 in DIO Port Addres BIT4~7

User Manual version 2503

4.2.2.1.1. Jumpers & Jumper Setting

The DIO port address setting is selected in CMOS SETTING. Select ADDRES 200H OR 208H

Read DIO IN BIT0~BIT3 IN DIO PORT ADDRES BIT0~3

WRITE DIO OUT BIT0~3 IN DIO PORT ADDRES BIT4~7

JP2: CN4 DIO port pin#2 select

1-2	DIO IN Bit 0
2-3	DIO OUT Bit 2

JP1: CN4 DIO port pin#3 select

1-2	DIO IN Bit 1
2-3	DIO OUT Bit 3

JP4: CN4 DIO port pin#5 select

1-2	DIO OUT Bit 0
2-3	DIO IN Bit 2

JP2: CN4 DIO port pin#6 select

1-2	DIO OUT Bit 1
2-3	DIO IN Bit 3

4.2.2.2. CN6: EXT. Connector

CN6 is a 44-pin connector links the onboard speaker-out, line-in, MIC-in, DIO and external FDD to the IO-006 for external device connection.

LIBRA 120 III (PC620 Intel 815E) 4-69

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