March Products 120 III (PC620) Personal Computer User Manual


 
User Manual version 2503
LIBRA 120 III (PC620 Intel 815E)
4-69
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.
PDF created with pdfFactory trial version www.pdffactory.com