MCT-VIO 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
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
9-pin serial port - external	CN1
25-pin parallel port - external	CN2
40-pin IDE (AT) Interface connector	JP4
34-pin control cable connector - floppy drive	JP6
10-pin serial port - internal	JP8
16-pin game port - internal	JP9
4-pin connector - drive active LED	JP20

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Floppy drive enable	J1	pins 2 & 3 closed
»	Floppy drive disable	J1	pins 1 & 2 closed
»	IDE address is 1F0-1F7	J2	pins 2 & 3 closed
»	IDE address is 170-177	J2	pins 1 & 2 closed
»	Floppy drive designation normal	J3	pins 2 & 3 closed
»	Floppy drive designation change	J3	pins 1 & 2 closed
»	IDE controller enable	J4	pins 2 & 3 closed
»	IDE controller disable	J4	pins 1 & 2 closed
»	IDE I/O address is 1F0-1F7, 3F0-3F7	J5	pins 2 & 3 closed
»	IDE I/O address is 170-177, 370-377	J5	pins 1 & 2 closed
»	Game port enable	J12	pins 2 & 3 closed
»	Game port disable	J12	Pins 1 & 2 closed
»	1 IDE drive installed	JP5	closed
»	2 IDE drives installed (master/slave)	JP5	open
»	Printer port as bi-directional	JP7	closed
»	Printer port as uni-directional	JP7	open
»	IDE(AT) interrupt select IRQ 14	JP10	closed
»	IRQ 14 disabled	JP10	open
»	COM2 or COM4 interrupt select IRQ 3	JP11	closed
»	IRQ 3 disabled	JP11	open
»	COM1 or COM3 interrupt select IRQ 4	JP12	closed
»	IRQ 4 disabled	JP12	open
»	FDC interrupt select IRQ 6	JP13	closed
»	IRQ 6 disabled	JP13	open
»	IRQ 5 disabled	JP14	open
»	LPT interrupt select IRQ 5	JP14	closed
»	LPT interrupt select IRQ 7	JP15	closed
»	IRQ 7 disabled	JP15	open
»	Factory configured - do not alter	JP16	N/A
»	Factory configured - do not alter	JP18	N/A

PARALLEL PORT CONFIGURATION
LPT		J6	J7
»	LPT1 (378-37F)	pins 2 & 3 closed	pins 2 & 3 closed
»	LPT2 (278-27F)	pins 1 & 2 closed	pins 1 & 2 closed
»	LPT3 (3BC-3BE)	pins 2 & 3 closed	pins 1 & 2 closed
»	Disabled	pins 1 & 2 closed	pins 2 & 3 closed

SERIAL PORT 1 CONFIGURATION
COM		J8	J9
»	COM1 (3F8-3FF)	pins 2 & 3 closed	pins 2 & 3 closed
»	COM3 (3E8-3EF)	pins 1 & 2 closed	pins 1 & 2 closed
»	COM4 (2E8-2EF)	pins 2 & 3 closed	pins 1 & 2 closed
»	Disabled	pins 1 & 2 closed	pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION
COM		J10	J11
»	COM2 (2F8-2FF)	pins 2 & 3 closed	pins 2 & 3 closed
»	COM4 (2E8-2EF)	pins 1 & 2 closed	pins 1 & 2 closed
»	COM3 (3E8-3EF)	pins 2 & 3 closed	pins 1 & 2 closed
»	Disable	pins 1 & 2 closed	pins 2 & 3 closed

VESA /ISA CONFIGURATION
Mode		J15	JP17
»	VESA	pins 2 & 3 closed	open
»	ISA	pins 1 & 2 closed	closed

IDE WAIT STATE CONTROL
IDE Wait State Control		J16	J17
»	50MHz VL bus clock	pins 2 & 3 closed	pins 2 & 3 closed
»	25MHz VL bus clock	pins 1 & 2 closed	pins 1 & 2 closed
»	33MHz VL bus clock	pins 2 & 3 closed	pins 1 & 2 closed
»	40MHz VL bus clock	pins 1 & 2 closed	pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTES

50MHz is not part of the VESA standard and may not be compatible with some systems.