ULTRASTOR CORPORATION
ULTRA 14N
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| |
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Data bus: |
16-bit, ISA |
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Size: |
Three/quarter-length, full-height card |
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Hard drive supported: |
Up to seven SCSI devices |
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Floppy drives supported: |
Two 360KB, 720KB, 1.2MB or 1.44MB drives |
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CONNECTIONS | |
|
Function |
Location |
|
34-pin control cable connector - floppy drive |
J1 |
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50-pin SCSI connector - internal |
J2 |
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50-pin SCSI connector - external |
J3 |
|
4-pin connector - drive active LED |
JP2 |
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USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
128KB EPROM enabled |
JP1 |
pins 2 & 3 closed | |
|
256KB EPROM enabled |
JP1 |
pins 1 & 2 closed | |
|
Card is ground to chassis |
JP3 |
closed | |
|
Not grounded |
JP3 |
open | |
|
BIOS supports up to 2 SCSI hard drives |
JP5/jumper E |
open | |
|
BIOS supports up to 7 SCSI hard drives |
JP5/jumper E |
closed | |
|
Ultra 14N synchronous negotiation enabled |
JP5/jumper F |
open | |
|
Target initiated synchronous negotiation enabled |
JP5/jumper F |
closed | |
|
Floppy controller enabled |
JP7 |
closed | |
|
Floppy controller disabled |
JP7 |
open | |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
Double twisted cable selected for floppy connector |
JP11/jumper A |
open | |
|
Single twisted cable selected for floppy connector |
JP11/jumper A |
closed | |
|
Floppy drive base address = 3F0h |
JP11/jumper B |
open | |
|
Floppy drive base address = 370h |
JP11/jumper B |
closed | |
|
AT type floppy drive selected |
JP11/jumper C |
open | |
|
PS/2 type floppy drive selected |
JP11/jumper C |
closed | |
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Floppy drive precompensation is always 125ns |
JP11/jumper D |
open | |
|
Floppy drive precompensation adjusts to data rates. |
JP11/jumper D |
closed | |
|
BIOS supports removable drive |
JP21/jumper A |
open | |
|
External drive supports removable drive |
JP21/jumper A |
closed | |
|
Synchronous negotiation for removable drives starts at 10MB/s |
JP21/jumper B |
open | |
|
Synchronous negotiation for removable drives starts at 5MB/s |
JP21/jumper B |
closed | |
|
Factory configured - do not alter |
JP21/jumper C |
open | |
|
HARD DRIVE HEAD MAPPING | |||
|
Setting |
JP5/Jumper A |
JP5/Jumper B | |
|
64 heads/32 sectors |
closed |
open | |
|
16 heads/63 sectors |
open |
open | |
|
64 heads/63 sectors |
open |
closed | |
|
64 heads/32 sectors |
closed |
closed | |
|
INTERRUPT SELECT | |||
|
IRQ |
JP5/Jumper C |
JP5/Jumper D | |
|
IRQ14 |
open |
closed | |
|
IRQ10 |
open |
open | |
|
IRQ11 |
closed |
open | |
|
IRQ15 |
closed |
closed | |
|
BIOS ADDRESS | ||||
|
Address |
JP10/Jumper A |
JP10/Jumper B |
JP10/Jumper C | |
|
C8000h |
open |
closed |
open | |
|
CC000h |
closed |
closed |
open | |
|
D0000h |
open |
open |
closed | |
|
D4000h |
closed |
open |
closed | |
|
D8000h |
open |
closed |
closed | |
|
DC000h |
closed |
closed |
closed | |
|
Disabled |
open |
open |
open | |
|
I/O ADDRESS | |||
|
Address |
JP20/Jumper A |
JP20/Jumper B | |
|
240h |
closed |
open | |
|
140h |
open |
open | |
|
220h |
open |
closed | |
|
340h |
closed |
closed | |