S1372 (REV. 1.0) Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Half-length, half-height card
Hard drive supported:	Two IDE (AT) interface drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB drives

CONNECTIONS
Function	Location
25-pin parallel port	CN1
10-pin serial port 2 - internal	CN2
9-pin serial port 1 - external	CN3
Game port	CN4
40-pin IDE (AT) Interface connector	CN5
34-pin control cable connector - floppy drive	CN6
4-pin connector - drive active LED	CN7
14-pin connector - Custom IRQ Header	CN8

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Game port enabled	J6	closed
	Game port disabled	J6	open
»	IDE IRQ14 enabled	J22	pins 2 & 3 closed
	IDE IRQ15 enabled	J22	pins 1 & 2 closed
»	Factory configured - do not alter	J50	n/a

SERIAL PORT 1 CONFIGURATION
COM/Address		J14	J15
»	COM1/3F8h	pins 2 & 3 closed	pins 2 & 3 closed
	COM2/2F8h	pins 2 & 3 closed	pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION
COM/Address	J14	J15
COM3/3E8h	pins 1 & 2 closed	pins 2 & 3 closed
Disabled	pins 1 & 2 closed	pins 1 & 2 closed

SERIAL PORT 2 CONFIGURATION
COM/Address		J16	J17
»	COM2/2F8h	pins 2 & 3 closed	pins 2 & 3 closed
	COM1/3F8h	pins 2 & 3 closed	pins 1 & 2 closed
	COM4/2E8h	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	pins 1 & 2 closed	pins 1 & 2 closed

SERIAL PORTS 1 & 2 INTERRUPT SELECT
Port 1		Port 2	J1	J2	J3	J4
»	IRQ4	IRQ3	open	closed	closed	open
	IRQ4	Disabled	open	closed	open	open
	Disabled	IRQ3	open	open	closed	open
	IRQ3	IRQ4	open	J2 pin 1 to J3 pin 1 closed, and J2 pin 2 to J3 pin 2 closed	Open
	IRQ3	Disabled	open	J2 pin 1 to J3 pin 1 closed	Open
	Disabled	IRQ4	open	J2 pin 2 to J3 pin 2 closed	Open
	IRQ5	IRQ3	open	closed	J3 pin 2 to J4 pin 2 closed
	IRQ5	Disabled	open	open	J3 pin 2 to J4 pin 2 closed
	IRQ4	IRQ5	J1 pin 2 to J2 pin 2 closed	closed	open
	Disabled	IRQ5	J1 pin 2 to J2 pin 2 closed	open	open

PARALLEL PORT CONFIGURATION
LPT/Address		J18	J19
»	LPT1/378h	pins 2 & 3 closed	pins 2 & 3 closed
	LPT2/278h	pins 2 & 3 closed	pins 1 & 2 closed
	LPT3/3BCh	pins 1 & 2 closed	pins 1 & 2 closed
	Disabled	pins 1 & 2 closed	pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECT
IRQ		J4	J5
»	IRQ7	open	closed
	IRQ5	closed	open
	Disabled	open	open

ADVANCED PARALLEL PORT FUNCTIONS
Setting		J23	J24
»	Standard PRN mode only enabled	pins 2 & 3 closed	pins 2 & 3 closed
	ECP, EPP and PRN modes enabled	pins 1 & 2 closed	pins 1 & 2 closed
	EPP and PRN modes enabled	pins 1 & 2 closed	pins 2 & 3 closed
	ECP and PRN modes enabled	pins 2 & 3 closed	pins 1 & 2 closed
Note:ECP = Extended Capabilities Mode, EPP = Enhanced Parallel Port.

EXTENDED CAPABILITIES PORT (ECP) DMA SELECT
DMA		J7	J8	J9	J10	J11
»	Disabled	open	open	open	open	open
	DMA1	closed	open	open	closed	closed
	DMA3	closed	closed	closed	open	open
Note:DMA3 is the preferred setting when the ECP mode is enabled.

FLOPPY DRIVE CONFIGURATION
Address		J12	J13
»	3F0h	pins 2 & 3 closed	pins 1 & 2 closed
	370h	pins 1 & 2 closed	pins 1 & 2 closed
	Disabled	N/A	pins 2 & 3 closed

IDE PORT CONFIGURATION
Address		J20	J21
»	1F0h	pins 2 & 3 closed	pins 2 & 3 closed
	170h	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	N/A	pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTES

CN8 is used to configure the card to comply with the PCI IDE Legacy convention. A special cable is required to connect to applicable hard drives.