NXT-80 Hard Disk/Floppy Controller Settings and Configuration
NEXSTOR, INC.
NXT-80
Data bus: | 32-bit VL-Bus |
Size: | Three/quarter-length, full-height card |
Hard drive supported: | Up to seven SCSI-1 & SCSI-2 devices |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB |
CONNECTIONS | |
Function | Location |
50-pin SCSI-2 connector - external | CN1 |
50-pin SCSI connector - internal | CN2 |
34-pin cable connector - floppy drive | CN3 |
4-pin connector - drive active LED | JP8 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Port address 340h select | JP1 | open |
| Port address 140h select | JP1 | closed | |
| » | Factory configured - do not alter | JP3 | N/A |
| » | SCSI parity enabled | JP5/jumper 6 | closed |
| SCSI parity disabled | JP5/jumper 6 | open | |
| » | Supports hard drive <1GB or >1GB not under MS-DOS | JP6/jumper 1 | closed |
| Supports hard drive >1GB under MS-DOS | JP6/jumper 1 | open | |
| » | SCSI disconnect/reselect enabled | JP6/jumper 3 | open |
| SCSI disconnect/reselect disabled | JP6/jumper 3 | closed | |
| » | Synchronous negotiation enabled | JP6/jumper 4 | open |
| Synchronous negotiation disabled | JP6/jumper 4 | closed | |
| » | Boot up using INT 19 enabled | JP6/jumper 5 | open |
| Boot up using INT 19 disabled | JP6/jumper 5 | closed | |
| » | Floppy drive controller enabled | JP7 | open |
| Floppy drive controller disabled | JP7 | closed | |
BASE I/O ADDRESS | ||||
» í Address | JP4/jumper 1 | JP4/jumper 2 | JP4/jumper 3 | |
| » | D8000h | closed | closed | closed |
| » | C8000h | open | closed | closed |
| » | CC000h | closed | open | open |
| » | D0000h | closed | open | closed |
| » | D4000h | closed | closed | open |
| » | Disabled | open | open | open |
SCSI ID SELECTION | ||||
SCSI ID | JP5/jumper 1 | JP5/jumper 2 | JP5/jumper 3 | |
| » | 7 | open | open | open |
| » | 0 | closed | closed | closed |
| » | 1 | open | closed | closed |
| » | 2 | closed | open | closed |
| » | 3 | open | open | closed |
| » | 4 | closed | closed | open |
| » | 5 | open | closed | open |
| » | 6 | closed | open | open |
INTERRUPT SELECTION | |||
IRQ | JP5/jumper 4 | JP5/Jumprt 5 | |
| » | 11 | closed | open |
| » | 9 | closed | closed |
| » | 10 | open | closed |
| » | 12 | open | open |
FLOPTICAL OPTION | ||
Mode | JP6/Jumper 1 | JP6/Jumper 2 |
Support | open | open |
No support | closed | closed |
Note: This mode is available only under MS-DOS for IOMEGA & Insite floptical drives. | ||
MISCELLANEOUS TECHNICAL NOTES |
Remove terminators from host adapter only when using both external & internal devices. |
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