QACCESS VL-BUS Hard Disk/Floppy Controller Settings and Configuration

Data bus:	32-bit, VL-Bus
Size:	Three quarter-length, full-height card
Hard drive supported:	Two IDE (AT) interface drives, up to fourteen SCSI interface drives
Floppy drives supported:	360KB, 720KB, 1.2MB, 1.44MB

CONNECTIONS
Function	Location
40-pin IDE interface connector	J1
External drive active LED	J2
34-pin data cable connector - floppy drive	J3
Parallel port	J4
Serial port 1	J5
Serial port 2	J6
Game port	J7
50-pin SCSI connector 1	SC1
50-pin SCSI connector 2	SC2
SCSI terminator 1	T1
SCSI terminator 2	T2
SCSI terminator 3	T3

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Parallel port interrupt is IRQ7	JP4	pins 1 & 2 closed
	Parallel port interrupt is IRQ5	JP4	pins 2 & 3 closed
»	Factory configured - do not alter	JP5	N/A
»	Game port enabled	JP6	pins 1 & 2 closed
	Game port disabled	JP6	pins 2 & 3 closed
»	Factory configured - do not alter	JP17	N/A
»	SCSI address select 340 - 35Fh	JP20	open
	SCSI address select 140 - 15Fh	JP20	closed
»	SCSI interface enabled	W1/E	closed
	SCSI interface disabled	W1/E	open
»	IDE command active time normal	W2/C	closed
	IDE command active time fast	W2/C	open

FLOPPY DRIVE INTERFACE CONFIGURATION
Setting		JP7	JP8
»	Enabled	pins 1 & 2 closed	pins 1 & 2 closed
	Disabled	pins 2 & 3 closed	pins 1 & 2 closed

IDE CONFIGURATION
Port		JP11	JP12	W2/A	W2/B
»	Enabled	pins 1 & 2 closed	pins 1 & 2 closed	open	open
	Disabled	pins 2 & 3 closed	open	open	closed

IDE INTERRUPT SELECT
IRQ		JP2	JP3
»	Direct IRQ14	open	closed
	Buffered IRQ14	closed	open

IDE I/O RECOVERY TIME
Time (ns)		W2/D	W2/E
»	300	closed	closed
	120	open	open
	180	closed	open
	240	open	closed

PARALLEL PORT ADDRESS SELECT
Address		JP9	JP10
»	378 - 37Fh	pins 1 & 2 closed	pins 1 & 2 closed
	278 - 27Fh	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	pins 2 & 3 closed	pins 1 & 2 closed

SCSI PORT INTERRUPT SELECT
IRQ		W1/A	W1/B
»	IRQ11	open	closed
	IRQ10	closed	open

SCSI PORT BASE ADDRESS SELECT
Address		W1/C	W1/D
»	DC000h	closed	closed
	D8000h	closed	open
	CC000h	open	closed
	Disabled	open	open

PRIMARY SERIAL PORT ADDRESS SELECT
Address		JP13	JP14
»	3F8 - 3FFh	pins 1 & 2 closed	pins 1 & 2 closed
	3E8 - 3EFh	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	pins 2 & 3 closed	pins 1 & 2 closed

SECONDARY SERIAL PORT ADDRESS SELECT
Address		JP15	JP16
»	2F8 - 2FFh	pins 1 & 2 closed	pins 1 & 2 closed
	2E8 - 2EFh	pins 1 & 2 closed	pins 2 & 3 closed
	Disabled	pins 2 & 3 closed	pins 1 & 2 closed