NEXSTOR, INC.
NXT-80
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| |
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Data bus: |
32-bit VL-Bus |
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Size: |
Three/quarter-length, full-height card |
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Hard drive supported: |
Up to seven SCSI-1 & SCSI-2 devices |
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Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, or 1.44MB |
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CONNECTIONS | |
|
Function |
Location |
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50-pin SCSI-2 connector - external |
CN1 |
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50-pin SCSI connector - internal |
CN2 |
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34-pin cable connector - floppy drive |
CN3 |
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4-pin connector - drive active LED |
JP8 |
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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 | |
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SCSI parity enabled |
JP5/jumper 6 |
closed | |
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SCSI parity disabled |
JP5/jumper 6 |
open | |
|
Supports hard drive <1GB or >1GB not under MS-DOS |
JP6/jumper 1 |
closed | |
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Supports hard drive >1GB under MS-DOS |
JP6/jumper 1 |
open | |
|
SCSI disconnect/reselect enabled |
JP6/jumper 3 |
open | |
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SCSI disconnect/reselect disabled |
JP6/jumper 3 |
closed | |
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Synchronous negotiation enabled |
JP6/jumper 4 |
open | |
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Synchronous negotiation disabled |
JP6/jumper 4 |
closed | |
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Boot up using INT 19 enabled |
JP6/jumper 5 |
open | |
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Boot up using INT 19 disabled |
JP6/jumper 5 |
closed | |
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Floppy drive controller enabled |
JP7 |
open | |
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Floppy drive controller disabled |
JP7 |
closed | |
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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 | |
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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 | |
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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 |
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Note: This mode is available only under MS-DOS for IOMEGA & Insite floptical drives. | ||
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MISCELLANEOUS TECHNICAL NOTES |
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Remove terminators from host adapter only when using both external & internal devices. |