S1342 (REV. 1.6) Hard Disk/Floppy Controller Settings and Configuration

Data Bus	32-bit VESA Local Bus
Card Size	Three-quarter length, Half-height card
Hard Drives supported	Four IDE (AT) drives
Floppy drives supported	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location	Function	Location
34-pin cable connector - floppy drive 1	CN1	9-pin serial port 1 - external	CN6
25-pin parallel port - external	CN2	40-pin secondary IDE(AT) connector	CN7
40-pin primary IDE(AT) connector	CN3	4-pin connector - secondary drive active LED	CN8
4-pin connector - primary drive active LED	CN4	34-pin cable connector - floppy drive 2	CN9
10-pin serial port 2 - internal	CN5	16-pin game port - internal	CN10

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	I/O Channel Ready signal disabled	J7	Open
	I/O Channel Ready signal enabled	J7	Closed
»	Floppy drive enabled	J8	Pins 2 & 3 closed
	Floppy drive disabled	J8	Pins 1 & 2 closed
»	Floppy drive normal compatible mode	J16	Pins 2 & 3 closed
	Floppy drive enhanced mode	J16	Pins 1 & 2 closed
»	VL IDE enabled	J17	Pins 2 & 3 closed
	VL IDE disabled	J17	Pins 1 & 2 closed
»	Floppy drive port address is 3F0-3F7h	J26	Pins 2 & 3 closed
	Floppy drive port address is 370-377h	J26	Pins 1 & 2 closed
»	Game Port enabled	J37	Closed
	Game Port disabled	J37	Open

FLOPPY DRIVE CHANNEL SELECTION
Function		J4	J5	J6
»	Primary channel, two floppy-drives enable	Open	Open	Open
	Two channel, four floppy drives enabled	Closed	Closed	Closed
Note: Four floppy drive support is mutually exclusive with the parallel port special features.

PARALLEL PORT ADDRESS SELECTION
Setting		J9	J27
»	LPT1	Pins 2 & 3 closed	Pins 2 & 3 closed
	LPT2	Pins 2 & 3 closed	Pins 1 & 2 closed
	LPT3	Pins 1 & 2 closed	Pins 1 & 2 closed
	Disabled	Pins 1 & 2 closed	Pins 2 & 3 closed

SERIAL PORT 1 ADDRESS SELECTION
Setting		J10	J11
»	COM1	Pins 2 & 3 closed	Pins 2 & 3 closed
	COM2	Pins 2 & 3 closed	Pins 1 & 2 closed
	COM3	Pins 1 & 2 closed	Pins 2 & 3 closed
	Disabled	Pins 1 & 2 closed	Pins 1 & 2 closed

SERIAL PORT 2 ADDRESS SELECTION
Setting		J12	J13
	COM1	Pins 2 & 3 closed	Pins 1 & 2 closed
»	COM2	Pins 2 & 3 closed	Pins 2 & 3 closed
	COM4	Pins 1 & 2 closed	Pins 2 & 3 closed
	Disabled	Pins 1 & 2 closed	Pins 1 & 2 closed

HARD DRIVE PORT ADDRESS SELECTION
Setting		J18	J19
	Primary & Secondary IDE active	Pins 1 & 2 closed	Pins 2 & 3 closed
»	Primary IDE address is 1F0h	Pins 2 & 3 closed	Pins 2 & 3 closed
	Primary IDE address is 170h	Pins 2 & 3 closed	Pins 1 & 2 closed

HARD DRIVE WAIT STATE SELECTION
Address		J20	J21	J22
	VL Bus speed <33MHz	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
	VL Bus speed >33MHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
»	Any VL Bus speed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

PARALLEL PORT MODE SELECTION
Setting		J28	J29
	Enhanced Parallel Port (EPP)	Pins 1 & 2 closed	Pins 2 & 3 closed
	Extended Capacity Port (ECP)	Pins 2 & 3 closed	Pins 1 & 2 closed
	ECP & EPP	Pins 1 & 2 closed	Pins 1 & 2 closed
»	Standard	Pins 2 & 3 closed	Pins 2 & 3 closed

SERIAL PORT INTERRUPT SELECTION
Port 1		Port 2	J32	J33	J34	J35
	IRQ4	IRQ3	Open	Closed	Closed	Open
	IRQ4	none	Open	Closed	Open	Open
	none	IRQ3	Open	Open	Closed	Open
	IRQ3	IRQ4	Open	J33/pin1 to J34/pin1 J33/pin2 to J34/pin2	Open
	IRQ5	IRQ3	Open	J33/pin1 to J34/pin1	Open
	no IRQ3	IRQ4	Open	J33/pin2 to J34/pin2	Open
	IRQ5	IRQ3	Open	Closed	J34/pin2 to J35/pin2
	IRQ5	no IRQ3	Open	Open	J34/pin2 to J35/pin2
	IRQ4	IRQ5	J32/pin2 to J33/pin2	Closed	Open
	no IRQ4	IRQ5	J32/pin2 to J33/pin2	Open	Open

PARALLEL PORT INTERRUPT SELECTION
IRQ		J35	J36
»	Parallel port interrupt is IRQ7	Open	Closed
	Parallel port interrupt is IRQ5	Closed	Open
	Disabled	Open	Open

DMA CHANNEL SELECTION
Setting		J38	J39	J40	J41	J42
	1	Closed	Open	Open	Closed	Closed
	3	Closed	Closed	Closed	Open	Open
»	Disabled	Open	Open	Open	Open	Open