SUN-5234 Hard Disk/Floppy Controller Settings and Configuration

Data bus:	16-bit, ISA
Size:	Half-length, full-height card
Hard drive supported:	Two IDE (AT) Interface drives
	Up to seven SCSI devices
Floppy drives supported:	Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS
Function	Location
34-pin control cable connector - floppy drive	J1
40-pin IDE(AT) Interface connector	J4
2-pin connector - Drive active LED (IDE)	J5
50-pin SCSI connector - internal	J8
50-pin SCSI connector - external	J9
2-pin connector - Drive active LED (SCSI)	J12

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Floppy drive enabled	J3/Jumper F	open
	Floppy drive disabled	J3/Jumper F	closed
»	Hard drive enabled	J3/Jumper H	open
	Hard drive disabled	J3/Jumper H	closed
»	Zero Wait State disabled	J10	open
	Zero Wait State enabled	J10	closed

INTERRUPT REQUST - J11
IRQ	Jumper 1	Jumper 2	Jumper 3	Jumper 4	Jumper 5	Jumper 6	Jumper 7
3	closed	open	open	open	open	open	open
5	open	closed	open	open	open	open	open
10	open	open	closed	open	open	open	open
11	open	open	open	closed	open	open	open
12	open	open	open	open	closed	open	open
14	open	open	open	open	open	closed	open
15	open	open	open	open	open	open	closed

BIOS ADDRESS - J7
Address		Jumper SW0	Jumper SW1
»	CA00	open	open
	C800	closed	closed
	CE00	open	closed
	DE00	closed	closed

MISCELLANEOUS TECHNICAL NOTES

The functions of jumpers J2 and J6 are not documented.