SMILE/AT 002 Hard Disk/Floppy Controller Settings and Configuration

CONNECTIONS
Function	Location
25-pin SCSI connector-external	CN1

IRQ SELECT JUMPERS
IRQ		JP6	JP7	JP8	JP9	JP10	JP11	JP12	JP13
»	IRQ15	closed	open	open	open	open	open	open	open
	IRQ12	open	closed	open	open	open	open	open	open
	IRQ11	open	open	closed	open	open	open	open	open
	IRQ10	open	open	open	closed	open	open	open	open
	IRQ3	open	open	open	open	closed	open	open	open
	IRQ4	open	open	open	open	open	closed	open	open
	IRQ5	open	open	open	open	open	open	closed	open
	IRQ7	open	open	open	open	open	open	open	closed

ON-BOARD RAM ADDRESS
Address		SW1/1	SW1/2	SW1/3	SW1/4	SW1/5 - 8
»	C0000h	open	open	closed	closed	closed
	90000h	open	closed	closed	open	closed
	A0000h	open	closed	open	closed	closed
	B0000h	open	closed	open	open	closed
	D0000	open	open	closed	open	closed

ON-BOARD ROM ADDRESS
Address		SW2/1	SW2/2	SW2/3	SW2/4	SW2/5	SW2/6	SW2/7
»	D8000h	closed	open	open	closed	closed	closed	closed
	C8000h	closed	closed	open	closed	closed	closed	closed
	C8800h	closed	closed	open	closed	closed	closed	open
	CF800h	closed	closed	open	open	open	open	open
	D0000h	closed	open	closed	closed	closed	closed	closed
	DF000h	closed	open	open	open	open	open	closed
	DF800h	closed	open	open	open	open	open	open

MISCELLANEOUS TECHNICAL NOTES

JP14 and JP16 are used to configure the BIOS EPROM size. The default is Jumper 1 and 2 open, and Jumper 3 closed for 2KB.