(TXT) View Source
# NEXSTOR, INC.
NXT-80
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit VL-Bus |
|-------------------+----------------------------------------|
| Size: | Three/quarter-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Up to seven SCSI-1 & SCSI-2 devices |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | |
+------------------------------------------------------------+
(IMG) IMG 1
+------------------------------------------------------------+
| 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 | JP3 | N/A |
| | alter | | |
|---+---------------------------------+------------+---------|
| » | SCSI parity enabled | JP5/jumper | closed |
| | | 6 | |
|---+---------------------------------+------------+---------|
| | SCSI parity disabled | JP5/jumper | open |
| | | 6 | |
|---+---------------------------------+------------+---------|
| » | Supports hard drive <1GB or | JP6/jumper | closed |
| | >1GB not under MS-DOS | 1 | |
|---+---------------------------------+------------+---------|
| | Supports hard drive >1GB under | JP6/jumper | open |
| | MS-DOS | 1 | |
|---+---------------------------------+------------+---------|
| » | SCSI disconnect/reselect | JP6/jumper | open |
| | enabled | 3 | |
|---+---------------------------------+------------+---------|
| | SCSI disconnect/reselect | JP6/jumper | closed |
| | disabled | 3 | |
|---+---------------------------------+------------+---------|
| » | Synchronous negotiation enabled | JP6/jumper | open |
| | | 4 | |
|---+---------------------------------+------------+---------|
| | Synchronous negotiation | JP6/jumper | closed |
| | disabled | 4 | |
|---+---------------------------------+------------+---------|
| » | Boot up using INT 19 enabled | JP6/jumper | open |
| | | 5 | |
|---+---------------------------------+------------+---------|
| | Boot up using INT 19 disabled | JP6/jumper | closed |
| | | 5 | |
|---+---------------------------------+------------+---------|
| » | Floppy drive controller enabled | JP7 | open |
|---+---------------------------------+------------+---------|
| | Floppy drive controller | JP7 | closed |
| | disabled | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+