MIO-AT Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Three/quarter-length, full-height card
Hard drive supported:	Two IDE(AT) interface drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
10-pin serial port 2 - internal	CN1
9-pin serial port 1 - external	CN2
25-pin parallel port - external	CN3
40-pin IDE(AT) connector	CN4
34-pin floppy drive connector	CN5
4-pin connector - drive active LED	J1

USER CONFIGURABLE SETTINGS
Function	Location	Setting
IRQ14 delayed	J2/pins 1 & 2	Closed
IRQ14 fixed drive	J2/pins 2 & 3	Closed
Note: J3 enabled/disabled IOCHRDY signal - setting is unidentified.

SERIAL PORTS CONFIGURATION
Port 1	Port 2	J4	J5	J19	J21
COM1(3F8h)	COM2(2F8h)	Open	Closed	Closed	Closed
COM3(3E8h)	COM4(2E8h)	Closed	Open	Closed	Closed
Disabled	Enabled	N/A	N/A	Open	Closed
Enabled	Disabled	N/A	N/A	Closed	Open
Disabled	Disabled	N/A	N/A	Open	Open

PARALLEL PORT CONFIGURATION
LPT	J17	J18	J20	J22
LPT2	Closed	Open	Closed	Open
LPT3	Open	Closed	Open	Closed
LPT2 disabled	N/A	N/A	Open	N/A
LPT3 disabled	N/A	N/A	N/A	Open

SERIAL PORT 1 INTERRUPT SELECTION
IRQ		J13	J14	J15	J16
»	4	Open	Closed	Open	Open
	2	Open	Open	Open	Closed
	3	Open	Open	Closed	Open
	5	Closed	Open	Open	Open

SERIAL PORT 2 INTERRUPT SELECTION
IRQ		J9	J10	J11	J12
»	3	Open	Closed	Open	Open
	2	Closed	Open	Open	Open
	4	Open	Open	Closed	Open
	5	Open	Open	Open	Closed

PARALLEL PORT INTERRUPT SELECTION
IRQ		J6	J7	J8
»	5	Open	Closed	Open
	2	Open	Open	Closed
	7	Closed	Open	Open