MIO-2050 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	32-bit VL-bus
Size:	Three-quarter length, half-height card
Hard drive supported:	Four IDE(AT) drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
40-pin primary IDE(AT) connector	J1
40-pin secondary IDE(AT) connector	J2
34-pin cable connector - floppy drive	J3
16-pin game port	J4
10-pin serial port 1 - internal	J5
10-pin serial port 2 - internal	J6
25-pin parallel port - external	J7
2-pin connector - drive active LED	J9

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	IDE(AT) interface enabled	JP1/A	Pins 2 & 3 closed
	IDE(AT) interface disabled	JP1/A	Pins 1 & 2 closed
»	VLB speed is 50 MHz	JP1/C	Pins 2 & 3 closed
	VLB speed is 33 MHz	JP1/C	Pins 1 & 2 closed
»	Floppy drive order is normal (A:, B)	JP2/A	Pins 2 & 3 closed
	Floppy drive order is reversed (B:, A)	JP2/A	Pins 1 & 2 closed
»	Floppy I/O address is 3F0-3F7h	JP2/B	Pins 2 & 3 closed
	Floppy I/O address is 370-377h	JP2/B	Pins 1 & 2 closed

USER CONFIGURABLE SETTINGS (CONTINUED)
Function		Location	Setting
»	Floppy drive interface enabled	JP2/C	Pins 2 & 3 closed
	Floppy drive interface disabled	JP2/C	Pins 1 & 2 closed
»	Secondary IDE IOCHRDY signal disabled	JP3	Open
	Secondary IDE IOCHRDY signal enabled	JP3	Closed
»	Primary IDE IOCHRDY signal enabled	JP4	Closed
	Primary IDE IOCHRDY signal disabled	JP4	Open
»	Parallel port is uni-directional	JP6	Closed
	Parallel port is bi-directional	JP6	Open
»	Parallel port IRQ 7 select	JP7	Pins 1 & 2 closed
	Parallel port IRQ 5 select	JP7	Pins 3 & 4 closed
»	Game port enabled	JP8	Closed
	Game port disabled	JP8	Open

IDE MODE SELECTION
Setting		JP1/D	JP1/E
»	Mode 0 / cycle 600ns	Pins 2 & 3 closed	Pins 2 & 3 closed
	Mode 1 / cycle 500ns	Pins 1 & 2 closed	Pins 2 & 3 closed
	Mode 2 / cycle 400ns	Pins 2 & 3 closed	Pins 1 & 2 closed
	Mode 3 / cycle 240ns	Pins 1 & 2 closed	Pins 1 & 2 closed

IDE I/O ADDRESS SELECTION
Setting		JP1/B	JP9
»	IDE I/O address is 170h or 1F0h	Pins 2 & 3 closed	Pins 1 & 2 closed
	IDE I/O address is 1F0h only	Pins 1 & 2 closed	Pins 2 & 3 closed

PARALLEL PORT ADDRESS SELECTION
LPT		JP5/E	JP5/F
»	LPT1 (378h)	Pins 2 & 3 closed	Pins 2 & 3 closed
	LPT2 (278h)	Pins 1 & 2 closed	Pins 1 & 2 closed
	LPT3 (3BCh)	Pins 1 & 2 closed	Pins 2 & 3 closed
	Disabled	Pins 2 & 3 closed	Pins 1 & 2 closed

SERIAL PORT 1 ADDRESS SELECTION
COM		JP5/A	JP5/B
»	COM1 (3F8h)	Pins 2 & 3 closed	Pins 2 & 3 closed
	COM3 (3E8h)	Pins 1 & 2 closed	Pins 1 & 2 closed
	Disabled	Pins 1 & 2 closed	Pins 2 & 3 closed

SERIAL PORT 2 ADDRESS SELECTION
COM		JP5/C	JP5/D
»	COM2 (2F8h)	Pins 2 & 3 closed	Pins 2 & 3 closed
	COM4 (2E8h)	Pins 1 & 2 closed	Pins 1 & 2 closed
	Disabled	Pins 1 & 2 closed	Pins 2 & 3 closed

PARALLEL PORT IRQ SELECTION
Setting		JP7/pins 1 & 2	JP7/pins 3 & 4
»	IRQ 7	Pins 2 & 3 closed	Pins 1 & 2 closed
	IRQ 5	Pins 1 & 2 closed	Pins 2 & 3 closed