ULTRA 14N Hard Disk/Floppy Controller Settings and Configuration
ULTRASTOR CORPORATION
ULTRA 14N
Data bus: | 16-bit, ISA |
Size: | Three/quarter-length, full-height card |
Hard drive supported: | 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 |
50-pin SCSI connector - internal | J2 |
50-pin SCSI connector - external | J3 |
4-pin connector - drive active LED | JP2 |
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 | |
| » | 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 | |
My Books
