MVGA-AVGA4VL+ 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
15-pin analog video port - external	CN2
26-pin connector - VGA feature connector	J1
16-pin game port - internal	J2
10-pin serial port 1 - internal	J3
10-pin serial port 2 - internal	J4
40-pin IDE (AT) interface connector	J6
34-pin cable connector - floppy drive	J7
25-pin parallel port - external	J8
4-pin connector - drive active LED	JP10

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	IRQ9 enabled	JP1	closed
»	IRQ9 disabled	JP1	open
»	Parallel port enabled	JP2/pins 1 & 2	closed
»	Parallel port disabled	JP2/pins 2 & 3	closed
»	Floppy controller enabled	JP3/pins 1 & 2	closed
»	Floppy controller disabled	JP3/pins 2 & 3	closed
»	Parallel port is LPT2	JP4/pins 1 & 2	closed
»	Parallel port is LPT3	JP4/pins 2 & 3	closed
»	Game port enabled	JP5/pins 1 & 2	closed
»	Game port disabled	JP5/pins 2 & 3	closed
»	IDE (AT) interface enabled	JP14/pins 1 & 2	closed
»	IDE (AT) interface disabled	JP14/pins 2 & 3	closed
»	IOCHRDY disabled	JP22	open
»	IOCHRDY enabled	JP22	closed

SERIAL PORT 1 CONFIGURATION
» COM		JP6	JP7
»	COM1	pins 1 & 2 closed	pins 1 & 2 closed
»	COM3	pins 1 & 2 closed	pins 2 & 3 closed
»	Disabled	pins 2 & 3 closed	N/A

SERIAL PORT 2 CONFIGURATION
» COM		JP8	JP9
»	COM2	pins 1 & 2 closed	pins 1 & 2 closed
»	COM4	pins 1 & 2 closed	pins 2 & 3 closed
»	Disabled	pins 2 & 3 closed	N/A

HDD ACCESS TIME SELECTION
» Speed		JP11	JP12
»	600ns	pins 2 & 3 closed	pins 2 & 3 closed
»	240ns	pins 1 & 2 closed	pins 1 & 2 closed

VESA BUS CLOCK SELECTION
» Setting		JP13
»	50MHz	pins 1 & 2 closed
»	33MHz	pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTE

DRAM is 2MB of high speed video memory installed.