EV8120, EV-8120A Hard Disk/Floppy Controller Settings and Configuration

CONNECTIONS
Function	Location
34-pin control cable connector-floppy drive	J1
40-pin control cable connector-hard drive	J2
34-pin control cable connector-floppy tape drive (EV-8120A only)	J3
4-pin connector drive active LED	J9

USER CONFIGURABLE SETTINGS EV-8120 & EV-8120A
Function		Location	Setting
»	IOCHRDY signal disabled	JP1	open
	IOCHRDY signal enabled	JP1	closed
»	DMA request disabled	JP2/all	open
	DREQ 5 (DMA request)	JP2/jumper 1	closed
	DREQ 6 (DMA request)	JP2/jumper 2	closed
	DREQ 7 (DMA request)	JP2/jumper 3	closed
»	DMA acknowledge disabled	JP3/all	open
	DACK 5 (DMA acknowledge)	JP3/jumper 1	closed
	DACK 6 (DMA acknowledge)	JP3/jumper 2	closed
	DACK 7 (DMA acknowledge)	JP3/jumper 3	closed
»	DMA signal to the ATA adaptor disabled	JP4	open
	DMA signal to the ATA adaptor enabled	JP4	closed
»	BIOS is IBM, AMI or equivalent	JP6	pins 2 & 3 closed
	BIOS is Phoenix	JP6	pins 1 & 2 closed
»	Factory configured - do not alter	JP7	open
»	Floppy drive enabled	JP8	closed
	Floppy drive disabled	JP8	open
»	Back to back I/O delay enabled	JP10	closed
	Back to back I/O delay disabled	JP10	open

USER CONFIGURABLE SETTINGS EV-8120 ONLY
Function		Location	Setting
»	Hard drive port address is 1F0-1F7h	JP5	open
»	Hard drive port address is 310-317h	JP5	closed

USER CONFIGURABLE SETTINGS EV-8120A ONLY
Function		Location	Setting
»	ATA Hard Disk mode select	JP5	open
	ATA Tape Mode select	JP5	closed
»	Floppy drive port address is 3F0-3F7h	JP11	open
	Floppy drive port address is 370-377h	JP11	closed
»	Hard drive port address is 1F0-1F7h	JP12	open
	Hard drive port address is 170-177h	JP12	closed
»	Hard drive interrrupt is IRQ14	JP13	pins 2 & 3 closed
	Hard drive interrrupt is IRQ15	JP13	pins 1 & 2 closed