ULTRA12F Hard Disk/Floppy Controller Settings and Configuration

ULTRASTOR CORPORATION

ULTRA12F

Data bus: 16-bit, PC/AT

Size: Full-length, full-height card

Hard drives supported: Two ESDI drives

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

Maximum heads/cyl.: 16 heads and 1024 cylinders

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/jumper 1
JP10/jumper 2
JP10/jumper 3
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
JP1
open
»
Factory configured - do not alter
JP2
open
»
Factory configured - do not alter
JP3
closed
»
Reserved
JP4
pins 1 & 2 open
»
Cache enabled
JP4
pins 3 & 4 open

Cache disabled
JP4
pins 3 & 4 closed
»
32KB cache RAM Capacity
JP5
pins 1 & 2 closed

8KB cache RAM Capacity
JP5
pins 2 & 3 closed

Must be closed to enabled 8K/32K Data Buffer
JP6
pins 1 & 2 closed

Reserved, must be left "open"
JP6
pins 2 & 3 closed

Factory use only (hard-wired)
JP7
pins 1 & 2 closed

Reserved
JP9
open
»
Supports a third floppy on DS2 with a twisted cable
JP11/jumper 1
open

Supports a third floppy on DS4 with a straight cable
JP11/jumper 1
closed
»
Floppy drive 1 is a AT type drive (5.25" or 3.5")
JP11/jumper 2
open

Floppy drive 1 is a 3.5" PS/2 type drive
JP11/jumper 2
closed
»
Floppy drive 0 is a AT type drive (5.25" or 3.5")
JP11/jumper 3
open

Floppy drive 0 is a 3.5" PS/2 type drive
JP11/jumper 3
closed
»
Floppy drive port address is 3F0-3F7h
JP11/jumper 4
open

Floppy drive port address is 370-377h
JP11/jumper 4
closed
»
Single speed floppy drive supported
JP11/jumper 5
open

Dual speed floppy drive supported
JP11/jumper 5
closed
»
Floppy drive Precomp. is scaled by data rate:
500KHz=125ns; 300KHz=208ns; 250KHz=250ns
JP11/jumper 6
open

Floppy drive Precomp. is 125ns.
JP11/jumper 6
closed
»
Hard drive port address is 1F0-1F7h
JP12
open

Hard drive port address is 170-177h
JP12
closed
»
Chassis ground not connected to logic ground
JP16
open

Chassis ground is connected to logic ground
JP16
closed
»
Floppy drive enabled
JP17
closed

Floppy drive disabled
JP17
open
»
Hard Drive Interrupt is IRQ14
JP20
pins 2 & 3 closed

Hard Drive Interrupt is IRQ15
JP20
pins 1 & 2 closed

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ULTRA12F Hard Disk/Floppy Controller Settings and Configuration

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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/jumper 1	JP10/jumper 2	JP10/jumper 3
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	JP1	open
»	Factory configured - do not alter	JP2	open
»	Factory configured - do not alter	JP3	closed
»	Reserved	JP4	pins 1 & 2 open
»	Cache enabled	JP4	pins 3 & 4 open
	Cache disabled	JP4	pins 3 & 4 closed
»	32KB cache RAM Capacity	JP5	pins 1 & 2 closed
	8KB cache RAM Capacity	JP5	pins 2 & 3 closed
	Must be closed to enabled 8K/32K Data Buffer	JP6	pins 1 & 2 closed
	Reserved, must be left "open"	JP6	pins 2 & 3 closed
	Factory use only (hard-wired)	JP7	pins 1 & 2 closed
	Reserved	JP9	open
»	Supports a third floppy on DS2 with a twisted cable	JP11/jumper 1	open
	Supports a third floppy on DS4 with a straight cable	JP11/jumper 1	closed
»	Floppy drive 1 is a AT type drive (5.25" or 3.5")	JP11/jumper 2	open
	Floppy drive 1 is a 3.5" PS/2 type drive	JP11/jumper 2	closed
»	Floppy drive 0 is a AT type drive (5.25" or 3.5")	JP11/jumper 3	open
	Floppy drive 0 is a 3.5" PS/2 type drive	JP11/jumper 3	closed
»	Floppy drive port address is 3F0-3F7h	JP11/jumper 4	open
	Floppy drive port address is 370-377h	JP11/jumper 4	closed
»	Single speed floppy drive supported	JP11/jumper 5	open
	Dual speed floppy drive supported	JP11/jumper 5	closed
»	Floppy drive Precomp. is scaled by data rate: 500KHz=125ns; 300KHz=208ns; 250KHz=250ns	JP11/jumper 6	open
	Floppy drive Precomp. is 125ns.	JP11/jumper 6	closed
»	Hard drive port address is 1F0-1F7h	JP12	open
	Hard drive port address is 170-177h	JP12	closed
»	Chassis ground not connected to logic ground	JP16	open
	Chassis ground is connected to logic ground	JP16	closed
»	Floppy drive enabled	JP17	closed
	Floppy drive disabled	JP17	open
»	Hard Drive Interrupt is IRQ14	JP20	pins 2 & 3 closed
	Hard Drive Interrupt is IRQ15	JP20	pins 1 & 2 closed