Data bus:	16-bit, ISA
Size:	Three/Quarter-length, full-height card
Hard drive supported:	Two ESDI drives
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB

CONNECTIONS
Function	Location
34-pin data cable connector-floppy drive	J1
20-pin data cable connector-drive 1	J3
20-pin data cable connector-drive 0	J4
34-pin control cable connector-hard drive	J5
4-pin connector-drive active LED	J6

BIOS ADDRESS
Address		JP10/A	JP10/B	JP10/C
	Disabled	open	open	open
»	C800h	open	open	closed
	CC00h	open	closed	open
	D000h	open	closed	closed
	D400h	closed	open	open
	D800h	closed	open	closed
	DC00h	closed	closed	open
	Disabled	closed	closed	closed

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Factory configured - do not alter	JP4	pins 1 & 2 open
»	Cache enabled	JP4	pins 3 & 4 open
	Cache disabled	JP4	pins 3 & 4 closed
»	Third drive support with a double twisted cable	JP11/A	open
	Third drive support with a single twisted cable	JP11/A	closed
»	Floppy Drive 1 is a 3.5 or 5.25 AT floppy	JP11/B	open
	Floppy Drive 1 is a 3.5 PS/2 floppy	JP11/B	closed
»	Floppy Drive 0 is a 3.5 or 5.25 AT floppy	JP11/C	open
	Floppy Drive 0 is a 3.5 PS/2 floppy	JP11/C	closed
»	Floppy primary port address is 3F0-3F7h	JP11/D	open
	Floppy secondary port address is 370-377h	JP11/D	closed
»	Single speed floppy drive support	JP11/E	open
	Dual speed floppy drive support	JP11/E	closed
»	Precompensation varies: 250ns, 208ns, 125ns	JP11/F	open
	Precompensation set to 125ns	JP11/F	closed
»	Hard disk primary I/O address is 1F0-1F7	JP12	open
	Hard disk secondary I/O address is 170-177h	JP12	closed
»	Floppy drive enabled	JP17	closed
	Floppy drive disabled	JP17	open
»	Interrupt is IRQ14	JP20	pins 2 & 3 closed
	Interrupt is IRQ15	JP20	pins 1 & 2 closed

DRAM CONFIGURATION NOTE

Note: The ULTRA12F24 is installed with 32KB of cache.