ACB-2370B Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Half-length, full-height card
Hard drives supported:	Two RLL ST506 drives
Floppy drives supported:	None

CONNECTIONS
Function	Location
20-pin data cable connector-drive 1	J1
20-pin data cable connector-drive 0	J2
34-pin control cable connector-hard drive	J3
3-pin connector-drive active LED	J5

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Hard drive port address 1F0-1F7h	J6 - 1	open
	Hard drive port address 170-177h	J6 - 1	closed
»	Not used	J6 - 2	open
»	Zero wait state disabled	J6 - 3	open
	Zero wait state enabled	J6 - 3	closed
»	Step rate is 16 mseconds and recalibrate to 0	J6 - 4	open
	Step rate is 35msec. and recalibrate to 0 minus 1	J6 - 4	closed
»	Read ahead cache enabled	J6 - 5	open
	Read ahead cache disable	J6 - 5	closed
»	Not used	J6 - 6	open
»	Not used	J6 - 7	open
»	Hard drive Interrupt is IRQ14	J13	pins 1 & 2 closed
	Hard drive Interrupt is IRQ15	J13	pins 2 & 3 closed
»	Not used	J13	pins 3 & 4 open
»	BIOS address C800h	J14	pins 1 & 2 closed
	BIOS address CC00h	J14	pins 2 & 3 closed
	BIOS disabled	J14	open