ML-863 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	32-bit VL-bus
Size:	Three-quarter length, half-height card
Hard drive supported:	Two IDE(AT) drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

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

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	IOCHRDY signal disabled	JP1	pins 1 & 2 closed
	IOCHRDY signal enabled	JP1	pins 2 & 3 closed
»	CPU speed is 40,50 MHz	JP2	pins 1 & 2 closed
	CPU speed is <=33MHz	JP2	pins 2 & 3 closed
»	IDE(AT) interface enabled	JP3	pins 1 & 2 closed
	IDE(AT) interface disabled	JP3	pins 2 & 3 closed
»	Floppy drive interface enabled	JP4	pins 1 & 2 closed
	Floppy drive interface disabled	JP4	pins 2 & 3 closed

USER CONFIGURABLE SETTINGS (CONTINUED)
Function		Location	Setting
»	Game port enabled	JP5	pins 1 & 2 closed
	Game port disabled	JP5	pins 2 & 3 closed
»	Floppy drive select primary	JP7	pins 1 & 2 closed
	Floppy drive select secondary	JP7	pins 2 & 3 closed

PARALLEL PORT ADDRESS SELECTION
LPT		JP6	JP12
»	LPT2(378h)	pins 1 & 2 closed	pins 1 & 2 closed
	LPT3 (278h)	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	N/A	pins 2 & 3 closed

SERIAL PORT 1 ADDRESS SELECTION
COM		JP10	JP11
»	COM1 (3F8h)	pins 1 & 2 closed	pins 1 & 2 closed
	COM3 (3E8h)	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	N/A	pins 2 & 3 closed

SERIAL PORT 2 ADDRESS SELECTION
COM		JP8	JP9
»	COM2 (2F8h)	pins 1 & 2 closed	pins 1 & 2 closed
	COM4 (2E8h)	pins 2 & 3 closed	pins 1 & 2 closed
	Disabled	N/A	pins 2 & 3 closed

IDE HARD DISK DRIVE SPEED SELECTION
Device Speed		JP13	JP14
»	Low - 600ns	pins 1 & 2 closed	pins 1 & 2 closed
	Normal - 500ns	pins 1 & 2 closed	pins 2 & 3 closed
	Fast speed - 383ns	pins 2 & 3 closed	pins 1 & 2 closed
	Turbo speed - 240ns	pins 2 & 3 closed	pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTES

The location of pin 1 is unidentified on jumpers JP1-JP12.