RLL FLOPPY/HARD DISK CONTROLLER Hard Disk/Floppy Controller Settings and Configuration

Card Type	Hard drive controller
Hard Drives supported	Two ST-506/412(RLL) drives
Floppy drives supported	Two 360KB, 720KB, 1.2MB, 1.44MB
Data Bus	16-bit ISA
Card Size	Three-quarter length, full-height

CONNECTIONS
Function	Label	Function	Label
34-pin cable connector - floppy drive	J1	20-pin data cable connector - drive 1	J4
34-pin control cable connector - hard drive	J2	4-pin connector - drive active LED	J5
20-pin data cable connector - drive 0	J3

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	W1	Open
»	Primary port address is 1F0h, 3F2h	W2	Open
	Unidentified	W2	Closed
»	Secondary port address is 170h, 372h	W3	Open
	Unidentified	W3	Closed
»	Initial data Rate control 500-KHZ enabled	W4	Open
	Unidentified	W4	Closed
»	Hardware select mode enabled	W5	Closed
	Hardware select mode disabled	W5	Open
»	Factory configured - do not alter	W6	Pins 1 & 2 open, 3 & 4, 5 & 6 closed
»	Floppy precompensation control - unidentified	W7	Open
	Unidentified	W7	Closed
»	16K PROM enabled	W8	Closed
	Unidentified	W8	Open
»	PROM address is C8000h	W9	Open
	Unidentified	W9	Closed
»	PROM enabled	W10	Closed
	PROM disabled	W10	Open